CHAPTER1。THEPOMPILI。(ThisessayshouldbereadinconjunctionwiththatontheBlack-belliedTarantula。Cf。“TheLifeoftheSpider,“byJ。HenriFabre,translatedbyAlexanderTeixeiradeMattos:chapter1——Translator\'sNote。)
TheAmmophila\'scaterpillar(Cf。“TheHuntingWasps,“byJ。HenriFabre,translatedbyAlexanderTeixeiradeMattos:chapters13and18to20;andChapter11ofthepresentvolume——Translator\'sNote。),theBembex(Cf。
idem:chapter14——Translator\'sNote。),Gad-fly,theCerceris(Cf。idem:
chapters1to3——Translator\'sNote。),Buprestis(ABeetleusuallyremarkableforherbrilliantcolouring。Cf。idem:chapter1——Translator\'sNote。)andWeevil,theSphex(Cf。idem:chapter4to10——Translator\'sNote。),Locust,CricketandEphippiger(Cf。“TheLifeoftheGrasshopper,“
byJ。HenriFabre,translatedbyAlexanderTeixeiradeMattos:chapters13
and14——Translator\'sNote。):alltheseinoffensivepeaceablevictimsarelikethesillySheepofourslaughter-houses;theyallowthemselvestobeoperateduponbytheparalyser,submittingstupidly,withoutofferingmuchresistance。Themandiblesgape,thelegskickandprotest,thebodywrigglesandtwists;andthatisall。Theyhavenoweaponscapableofcontendingwiththeassassin\'sdagger。Ishouldliketoseethehuntressgrapplingwithanimposingadversary,oneascraftyasherself,anexpertlayerofambushesand,likeher,bearingapoisoneddirk。Ishouldliketoseethebanditarmedwithherstilettoconfrontedbyanotherbanditequallyfamiliarwiththeuseofthatweapon。Issuchaduelpossible?Yes,itisquitepossibleandevenquitecommon。OntheonehandwehavethePompili,theprotagonistswhoarealwaysvictorious;ontheotherhandwehavetheSpiders,theprotagonistswhoarealwaysoverthrown。
Whothathasdivertedhimself,howeverlittle,withthestudyofinsectsdoesnotknowthePompili?Againstoldwalls,atthefootofthebanksbesideunfrequentedfootpaths,inthestubbleaftertheharvest,inthetanglesofdrygrass,wherevertheSpiderspreadshernets,whohasnotseenthembusilyatwork,nowrunninghitherandthither,atrandom,theirwingsraisedandquiveringabovetheirbacks,nowmovingfromplacetoplaceinflightslongorshort?Theyarehuntingforaquarrywhichmighteasilyturnthetablesanditselfpreyuponthetrapperlyinginwaitforit。
ThePompilifeedtheirlarvaesolelyonSpiders;andtheSpidersfeedonanyinsect,commensuratewiththeirsize,thatiscaughtintheirnets。
Whilethefirstpossessasting,thesecondhavetwopoisonedfangs。Oftentheirstrengthisequallymatched;indeedtheadvantageisnotseldomontheSpider\'sside。TheWasphasherrusesofwar,hercunninglypremeditatedstrokes:theSpiderhasherwilesandhersettraps;thefirsthastheadvantageofgreatrapidityofmovement,whilethesecondisabletorelyuponherperfidiousweb;theonehasastingwhichcontrivestopenetratetheexactpointtocauseparalysis,theotherhasfangswhichbitethebackoftheneckanddealsuddendeath。Wefindtheparalyserontheonehandandtheslaughtererontheother。Whichofthetwowillbecometheother\'sprey?
Ifweconsideronlytherelativestrengthoftheadversaries,thepoweroftheirweapons,thevirulenceoftheirpoisonsandtheirdifferentmodesofaction,thescalewouldveryoftenbeweightedinfavouroftheSpider。
SincethePompilusalwaysemergesvictoriousfromthiscontest,whichappearstobefullofperilforher,shemusthaveaspecialmethod,ofwhichIwouldfainlearnthesecret。
Inourpartofthecountry,themostpowerfulandcourageousSpider-
huntressistheRingedPompilus(Calicurgusannulatus,FAB。),cladinblackandyellow。Shestandshighonherlegs;andherwingshaveblacktips,therestbeingyellow,asthoughexposedtosmoke,likeabloater。HersizeisaboutthatoftheHornet(Vespacrabro)。Sheisrare。Iseethreeorfourofherinthecourseoftheyear;andIneverfailtohaltinthepresenceoftheproudinsect,rapidlystridingthroughthedustofthefieldswhenthedog-daysarrive。Itsaudaciousair,itsuncouthgait,itswar-likebearinglongmademesuspectthattoobtainitspreyithadtomakesomeimpossible,terrible,unspeakablecapture。Andmyguesswascorrect。BydintofwaitingandwatchingIbeheldthatvictim;Isawitinthehuntress\'mandibles。ItistheBlack-belliedTarantula,theterribleSpiderwhoslaysaCarpenter-beeoraBumble-beeoutrightwithonestrokeofherweapon;theSpiderwhokillsaSparroworaMole;theformidablecreaturewhosebitewouldperhapsnotbewithoutdangertoourselves。Yes,thisisthebilloffarewhichtheproudPompilusprovidesforherlarva。
Thisspectacle,oneofthemoststrikingwithwhichtheHuntingWaspshaveeverprovidedme,hasasyetbeenofferedtomyeyesbutonce;andthatwasclosebesidemyruralhome,inthefamouslaboratoryoftheharmas。(Theenclosedpieceofwastelandonwhichtheauthorstudiedhisinsectsintheirnativestate。Cf。“TheLifeoftheFly,“byJ。HenriFabre,translatedbyAlexanderTeixeiradeMattos:chapter1——Translator\'sNote。)
Icanstillseetheintrepidpoacherdraggingbytheleg,atthefootofawall,themonstrousprizewhichshehadjustsecured,doubtlessatnogreatdistance。Atthebaseofthewallwasahole,anaccidentalchinkbetweensomeofthestones。TheWaspinspectedthecavern,notforthefirsttime:
shehadalreadyreconnoitreditandthepremiseshadsatisfiedher。Theprey,deprivedofthepowerofmovement,waswaitingsomewhere,Iknownotwhere;andthehuntresshadgonebacktofetchitandstoreitaway。ItwasatthismomentthatImether。ThePompilusgavealastglanceatthecave,removedafewsmallfragmentsofloosemortar;andwiththatherpreparationswerecompleted。TheLycosa(TheSpiderinquestionisknownindifferentlyastheBlack-belliedTarantulaandtheNarbonneLycosa——
Translator\'sNote。)wasintroduced,draggedalong,bellyupwards,byoneleg。Ididnotinterfere。PresentlytheWaspreappearedonthesurfaceandcarelesslypushedinfrontoftheholethebitsofmortarwhichshehadjustextractedfromit。Thensheflewaway。Itwasallover。Theeggwaslaid;theinsecthadfinishedforbetterorforworse;andIwasabletoproceedwithmyexaminationoftheburrowanditscontents。
ThePompilushasdonenodigging。Itisreallyanaccidentalholewithspaciouswindingpassages,theresultofthemason\'snegligenceandnotoftheWasp\'sindustry。Theclosingofthecavityisquiteasroughandsummary。Afewcrumbsofmortar,heapedupbeforethedoorway,formabarricaderatherthanadoor。Amightyhuntermakesapoorarchitect。TheTarantula\'smurderessdoesnotknowhowtodigacellforherlarva;shedoesnotknowhowtofilluptheentrancebysweepingdustintoit。Thefirstholeencounteredatthefootofawallcontentsher,providedthatitberoomyenough;alittleheapofrubbishwilldoforadoor。Nothingcouldbemoreexpeditious。
Iwithdrawthegamefromthehole。TheeggisstucktotheSpider,nearthebeginningofthebelly。Aclumsymovementonmypartmakesitfalloffatthemomentofextraction。Itisallover:thethingwillnothatch;Ishallnotbeabletoobservethedevelopmentofthelarva。TheTarantulaliesmotionless,flexibleasinlife,withnotatraceofawound。Inshort,wehaveherelifewithoutmovement。Fromtimetotimethetipsofthetarsiquiveralittle;andthatisall。Accustomedofoldtothesedeceptivecorpses,Icanseeinmymind\'seyewhathashappened:theSpiderhasbeenstungintheregionofthethorax,nodoubtonceonly,inviewoftheconcentrationofhernervoussystem。Iplacethevictiminaboxinwhichitretainsallthepliancyandallthefreshnessoflifefromthe2ndofAugusttothe20thofSeptember,thatistosay,forsevenweeks。Thesemiraclesarefamiliartous(Cf。“TheHuntingWasps“:passim——Translator\'sNote。);thereisnoneedtolingeroverthemhere。
Themostimportantmatterhasescapedme。WhatIwanted,whatIstillwanttoseeisthePompilusengagedinmortalcombatwiththeLycosa。Whataduel,inwhichthecunningoftheonehastoovercometheterribleweaponsoftheother!DoestheWaspentertheburrowtosurprisetheTarantulaatthebottomofherlair?Suchtemeritywouldbefataltoher。WherethebigBumble-beediesaninstantdeath,theaudaciousvisitorwouldperishthemomentsheentered。Isnottheotherthere,facingher,readytosnapatthebackofherhead,inflictingawoundwhichwouldresultinsuddendeath?No,thePompilusdoesnotentertheSpider\'sparlour,thatisobvious。DoesshesurprisetheSpideroutsideherfortress?ButtheLycosaisastay-at-homeanimal;Idonotseeherstrayingabroadduringthesummer。Later,intheautumn,whenthePompilihavedisappeared,Shewandersabout;turninggipsy,shetakestheopenairwithhernumerousfamily,whichshecarriesonherback。Apartfromthesematernalstrolls,shedoesnotappeartometoleavehercastle;andthePompilus,Ishouldthink,hasnogreatchanceofmeetingheroutside。Theproblem,weperceive,isbecomingcomplicated:thehuntresscannotmakeherwayintotheburrow,whereshewouldrisksuddendeath;andtheSpider\'ssedentaryhabitsmakeanencounteroutsidetheburrowimprobable。Hereisariddlewhichwouldbeinterestingtodecipher。LetusendeavourtodosobyobservingotherSpider-hunters;analogywillenableustodrawaconclusion。
IhaveoftenwatchedPompiliofeveryspeciesontheirhunting-expeditions,butIhaveneversurprisedthementeringtheSpider\'slodgingwhenthelatterwasathome。Whetherthislodgingbeafunnelplungingitsneckintoaholeinsomewall,anawningstretchedamidthestubble,atentmodelledupontheArab\'s,asheathformedofafewleavesboundtogether,oranetwithaguard-roomattached,whenevertheownerisindoorsthesuspiciousPompilusholdsaloof。Whenthedwellingisvacant,itisanothermatter:
theWaspmoveswitharroganteaseoverthosewebs,springesandcablesinwhichsomanyotherinsectswouldremainensnared。Thesilkenthreadsdonotseemtohaveanyholduponher。Whatisshedoing,exploringthoseemptywebs?SheiswatchingtoseewhatishappeningontheadjacentwebswheretheSpiderisambushed。ThePompilusthereforefeelsaninsuperablereluctancetomakestraightfortheSpiderwhenthelatterisathomeinthemidstofhersnares。Andsheisright,ahundredtimesover。IftheTarantulaunderstandsthepracticeofthedagger-thrustintheneck,whichisimmediatelyfatal,theothercannotbeunacquaintedwithit。WoethentotheimprudentWaspwhopresentsherselfuponthethresholdofaSpiderofapproximatelyequalstrength!
OfthevariousinstanceswhichIhavecollectedofthiscautiousreserveontheSpider-huntress\'partIwillconfinemyselftothefollowing,whichwillbesufficienttoprovemypoint。Byjoining,withsilkenstrands,thethreefolioleswhichformtheleafofVirgil\'scytisus,aSpiderhasbuiltherselfagreenarbour,ahorizontalsheath,openateitherend。AquestingPompiluscomesuponthescene,findsthegametoherlikingandpopsinherheadattheentranceofthecell。TheSpiderimmediatelyretreatstotheotherend。ThehuntressgoesroundtheSpider\'sdwellingandreappearsattheotherdoor。AgaintheSpiderretreats,returningtothefirstentrance。
TheWaspalsoreturnstoit,butalwaysbytheoutside。Scarcelyhasshedoneso,whentheSpiderrushesfortheoppositeopening;andsoonforfullyaquarterofanhour,bothofthemcomingandgoingfromoneendofthecylindertotheother,theSpiderinsideandthePompilusoutside。
Thequarrywasavaluableone,itseems,sincetheWasppersistedforalongtimeinherattempts,whichwereinvariablydefeated;however,thehuntresshadtoabandonthem,baffledbythisperpetualrunningtoandfro。
ThePompilusmadeoff;andtheSpider,oncemoreonthewatch,patientlyawaitedtheheedlessMidges。WhatshouldtheWasphavedonetocapturethismuch-covetedgame?Sheshouldhaveenteredtheverdantcylinder,theSpider\'sdwelling,andpursuedtheSpiderdirect,inherownhouse,insteadofremainingoutside,goingfromonedoortotheother。Withsuchswiftnessanddexterityashers,itseemedtomeimpossiblethatthestrokeshouldfail:thequarrymovedclumsily,alittlesideways,likeaCrab。Ijudgedittobeaneasymatter;thePompilusthoughtithighlydangerous。To-dayI
amofheropinion:ifshehadenteredtheleafytube,themistressofthehousewouldhaveoperatedonherneckandthehuntresswouldhavebecomethequarry。
YearspassedandtheparalyseroftheSpidersstillrefusedtorevealhersecret;Iwasbadlyservedbycircumstances,couldfindnoleisure,wasabsorbedinunrelentingpreoccupations。Atlength,duringmylastyearatOrange,thelightdawneduponme。Mygardenwasenclosedbyanoldwall,blackenedandruinedbytime,where,inthechinksbetweenthestones,livedapopulationofSpiders,representedmoreparticularlybySegestriaperfidia。ThisisthecommonBlackSpider,orCellarSpider。Sheisdeepblackallover,exceptingthemandibles,whichareasplendidmetallicgreen。Hertwopoisoneddaggerslooklikeaproductofthemetal-worker\'sart,likethefinestbronze。Inanymassofabandonedmasonrythereisnotaquietcorner,notaholethesizeofone\'sfinger,inwhichtheSegestriadoesnotsetuphouse。Herwebisawidelyflaringfunnel,whoseopenend,atmostaspanacross,liesspreaduponthesurfaceofthewall,whereitisheldinplacebyradiatingthreads。Thisconicalsurfaceiscontinuedbyatubewhichrunsintoaholeinthewall。Attheendisthedining-roomtowhichtheSpiderretirestodevourathereasehercapturedprey。
Withhertwohind-legsstuckintothetubetoobtainapurchaseandthesixothersspreadaroundtheorifice,thebettertoperceiveoneverysidethequiverwhichgivesthesignalofacapture,theSegestriawaitsmotionless,attheentranceofherfunnel,foraninsecttobecomeentangledinthesnare。LargeFlies,Drone-flies,dizzilygrazingsomethreadofthesnarewiththeirwings,areherusualvictims。AtthefirstflutterofthenettedFly,theSpiderrunsorevenleapsforward,butsheisnowsecuredbyacordwhichescapesfromthespinneretsandwhichhasitsendfastenedtothesilkentube。Thispreventsherfromfallingasshedartsalongaverticalsurface。Bittenatthebackofthehead,theDrone-flyisdeadinamoment;andtheSegestriacarrieshimintoherlair。
Thankstothismethodandthesehunting-appliances——anambushatthebottomofasilkenwhirlpool,radiatingsnares,alife-linewhichholdsherfrombehindandallowshertotakeasuddenrushwithoutriskingafall——theSegestriaisabletocatchgamelessinoffensivethantheDrone-fly。A
CommonWasp,theytellme,doesnotdaunther。ThoughIhavenottestedthis,Ireadilybelieveit,forIwellknowtheSpider\'sboldness。
Thisboldnessisreinforcedbytheactivityofthevenom。ItisenoughtohaveseentheSegestriacapturesomelargeFlytobeconvincedoftheoverwhelmingeffectofherfangsupontheinsectsbittenintheneck。ThedeathoftheDrone-fly,entangledinthesilkenfunnel,isreproducedbythesuddendeathoftheBumble-beeonenteringtheTarantula\'sburrow。Weknowtheeffectofthepoisononman,thankstoAntoineDuges\'
investigations。(AntoineLouisDuges(1797-1838),aFrenchphysicianandphysiologist,authorofa“Traitedephysiologiecompareedel\'hommeetdesanimaux“andotherscientificworks——Translator\'sNote。)Letuslistentothebraveexperimenter:
“ThetreacherousSegestria,orGreatCellarSpider,reputedpoisonousinourpartofthecountry,waschosenfortheprincipalsubjectofourexperiments。Shewasthree-quartersofaninchlong,measuredfromthemandiblestothespinnerets。Takingherinmyfingersfrombehind,bythelegs,whichwerefoldedandgatheredtogether(thisisthewaytocatchholdofliveSpiders,ifyouwouldavoidtheirbiteandmasterthemwithoutmutilatingthem),Iplacedheronvariousobjectsandonmyclothes,withouthermanifestingtheleastdesiretodoanyharm;buthardlywasshelaidonthebareskinofmyfore-armwhensheseizedafoldoftheepidermisinherpowerfulmandibles,whichareofametallicgreen,anddroveherfangsdeepintoit。Forafewmomentssheremainedhanging,althoughleftfree;thenshereleasedherself,fellandfled,leavingtwotinywounds,asixthofaninchapart,red,buthardlybleeding,withaslightextravasationroundtheedgeandresemblingthewoundsproducedbyalargepin。
“Atthemomentofthebite,thesensationwassharpenoughtodeservethenameofpain;andthiscontinuedforfiveorsixminutesmore,butnotsoforcibly。Imightcompareitwiththesensationproducedbythestinging-
nettle。Awhitishtumefactionalmostimmediatelysurroundedthetwopricks;
andthecircumference,withinaradiusofaboutaninch,wascolouredanerysipelasred,accompaniedbyaveryslightswelling。Inanhourandahalf,ithadalldisappeared,exceptthemarkofthepricks,whichpersistedforseveraldays,asanyothersmallwoundwouldhavedone。ThiswasinSeptember,inrathercoolweather。Perhapsthesymptomswouldhavedisplayedsomewhatgreaterseverityatawarmerseason。“
Withoutbeingserious,theeffectoftheSegestria\'spoisonisplainlymarked。Astingcausingsharppainandswelling,withtherednessoferysipelas,isnotriflingmatter。WhileDuges\'experimentreassuresusinsofarasweourselvesareconcerned,itisnonethelessthefactthattheCellarSpider\'spoisonisaterriblethingforinsects,whetherbecauseofthesmallsizeofthevictim,orbecauseitactswithspecialefficacyuponanorganizationwhichdifferswidelyfromourown。OnePompilus,thoughgreatlyinferiortotheSegestriainsizeandstrength,neverthelessmakeswarupontheBlackSpiderandsucceedsinoverpoweringthisformidablequarry。ThisisPompilusapicalis,VANDERLIND,whoishardlylargerthantheHive-bee,butverymuchslenderer。Sheisofauniformblack;herwingsareacloudybrown,withtransparenttips。LetusfollowherinherexpeditionstotheoldwallinhabitedbytheSegestria:wewilltrackherforwholeafternoonsduringtheJulyheats;andwewillarmourselveswithpatience,fortheperilouscaptureofthegamemusttaketheWaspalongtime。
TheSpider-huntressexploresthewallminutely;sheruns,leapsandflies;
shecomesandgoes,flittingtoandfro。Theantennaequiver;thewings,raisedabovetheback,continuallybeatoneagainsttheother。Ah,heresheis,closetoaSegestria\'sfunnel!TheSpider,whohashithertoremainedinvisible,instantlyappearsattheentrancetothetube;shespreadshersixfore-legsoutside,readytoreceivethehuntress。Farfromfleeingbeforetheterribleapparition,shewatchesthewatcher,fullypreparedtopreyuponherenemy。BeforethisintrepiddemeanourthePompilusdrawsback。Sheexaminesthecovetedgame,walksrounditforamoment,thengoesawaywithoutattemptinganything。Whenshehasgone,theSegestriaretiresindoors,backwards。ForthesecondtimetheWasppassesnearaninhabitedfunnel。TheSpideronthelookoutatonceshowsherselfonthethresholdofherdwelling,halfoutofhertube,readyfordefenceandperhapsalsoforattack。ThePompilusmovesawayandtheSegestriareentershertube。A
freshalarm:thePompilusreturns;anotherthreateningdemonstrationonthepartoftheSpider。Herneighbour,alittlelater,doesbetterthanthis:
whilethehuntressisprowlingaboutintheneighbourhoodofthefunnel,shesuddenlyleapsoutofthetube,withthelifelinewhichwillsaveherfromfalling,shouldshemissherfooting,attachedtoherspinnerets;sherushesforwardandhurlsherselfinfrontofthePompilus,atadistanceofsomeeightinchesfromherburrow。TheWasp,asthoughterrified,immediatelydecamps;andtheSegestrianolesssuddenlyretreatsindoors。
Here,wemustadmit,isastrangequarry:itdoesnothide,butiseagertoshowitself;itdoesnotrunaway,butflingsitselfinfrontofthehunter。Ifourobservationsweretoceasehere,couldwesaywhichofthetwoisthehunterandwhichthehunted?ShouldwenotfeelsorryfortheimprudentPompilus?Letathreadofthetrapentangleherleg;anditisallupwithher。Theotherwillbethere,stabbingherinthethroat。WhatthenisthemethodwhichsheemploysagainsttheSegestria,alwaysonthealert,readyfordefence,audacioustothepointofaggression?ShallI
surprisethereaderifItellhimthatthisproblemfilledmewiththemosteagerinterest,thatitheldmeforweeksincontemplationbeforethatcheerlesswall?Nevertheless,mytalewillbeashortone。
OnseveraloccasionsIseethePompilussuddenlyflingherselfononeoftheSpider\'slegs,seizeitwithhermandiblesandendeavourtodrawtheanimalfromitstube。Itisasuddenrush,asurpriseattack,tooquicktopermittheSpidertoparryit。Fortunately,thelatter\'stwohind-legsarefirmlyhookedtothedwelling;andtheSegestriaescapeswithajerk,fortheother,havingdeliveredhershockattack,hastenstoreleaseherhold;
ifshepersisted,theaffairmightendbadlyforher。Havingfailedinthisassault,theWasprepeatstheprocedureatotherfunnels;shewillevenreturntothefirstwhenthealarmissomewhatassuaged。Stillhoppingandfluttering,sheprowlsaroundthemouth,whencetheSegestriawatchesher,withherlegsoutspread。Shewaitsforthepropitiousmoment;sheleapsforward,seizesaleg,tugsatitandspringsoutofreach。Moreoftenthannot,theSpiderholdsfast;sometimessheisdraggedoutofthetube,toadistanceofafewinches,butimmediatelyreturns,nodoubtwiththeaidofherunbrokenlifeline。
ThePompilus\'intentionisplain:shewantstoejecttheSpiderfromherfortressandflinghersomedistanceaway。Somuchperseveranceleadstosuccess。Thistimeallgoeswell:withavigorousandwell-timedtugtheWasphaspulledtheSegestriaoutandatonceletsherdroptotheground。
Bewilderedbyherfallandevenmoredemoralizedbybeingwrestedfromherambush,theSpiderisnolongertheboldadversarythatshewas。Shedrawsherlegstogetherandcowersintoadepressioninthesoil。Thehuntressisthereontheinstanttooperateontheevictedanimal。Ihavebarelytimetodrawneartowatchthetragedywhenthevictimisparalysedbyathrustofthestinginthethorax。
Hereatlast,inallitsMachiavelliancunning,istheshrewdmethodofthePompilus。ShewouldberiskingherlifeifsheattackedtheSegestriainherhome;theWaspissoconvincedofitthatshetakesgoodcarenottocommitthisimprudence;butsheknowsalsothat,oncedislodgedfromherdwelling,theSpiderisastimid,ascowardlyasshewasboldatthecentreofherfunnel。Thewholepointofhertactics,therefore,liesindislodgingthecreature。Thisdone,therestisnothing。
TheTarantula-huntressmustbehaveinthesamemanner。Enlightenedbyherkinswoman,Pompilusapicalis,mymindpicturesherwanderingstealthilyaroundtheLycosa\'srampart。TheLycosahurriesupfromthebottomofherburrow,believingthatavictimisapproaching;sheascendsherverticaltube,spreadingherfore-legsoutside,readytoleap。ButitistheRingedPompiluswholeaps,seizesaleg,tugsandhurlstheLycosafromherburrow。TheSpiderishenceforthacravenvictim,whowillletherselfbestabbedwithoutdreamingofemployinghervenomousfangs。Herecrafttriumphsoverstrength;andthiscraftisnotinferiortomine,when,wishingtocapturetheTarantula,ImakeherbiteaspikeofgrasswhichI
dipintotheburrow,leadhergentlytothesurfaceandthenwithasuddenjerkthrowheroutside。FortheentomologistasforthePompilus,theessentialthingistomaketheSpiderleaveherstronghold。Afterthisthereisnodifficultyincatchingher,thankstotheutterbewildermentoftheevictedanimal。
TwocontrastingpointsimpressmeinthefactswhichIhavejustsetforth:
theshrewdnessofthePompilusandthefollyoftheSpider。IwilladmitthattheWaspmaygraduallyhaveacquired,asbeinghighlybeneficialtoherposterity,theinstinctbywhichshefirstofallsojudiciouslydragsthevictimfromitsrefuge,inordertheretoparalyseitwithoutincurringdanger,providedthatyouwillexplainwhytheSegestria,possessinganintellectnolessgiftedthanthatofthePompilus,doesnotyetknowhowtocounteractthetrickofwhichshehassolongbeenthevictim。WhatwouldtheBlackSpiderneedtodotoescapeherexterminator?Practicallynothing:itwouldbeenoughforhertowithdrawintohertube,insteadofcominguptopostherselfattheentrance,likeasentry,whenevertheenemyisintheneighbourhood。Itisverybraveofher,Iagree,butalsoveryrisky。ThePompiluswillpounceupononeofthelegsspreadoutsidetheburrowfordefenceandattack;andthebesiegedSpiderwillperish,betrayedbyherownboldness。Thispostureisexcellentwhenwaitingforprey。ButtheWaspisnotaquarry;sheisanenemyandoneofthemostdreadedofenemies。TheSpiderknowsthis。AtthesightoftheWasp,insteadofplacingherselffearlesslybutfoolishlyonherthreshold,whydoesshenotretreatintoherfortress,wheretheotherwouldnotattackher?Theaccumulatedexperienceofgenerationsshouldhavetaughtherthiselementarytacticaldevice,whichisofthegreatestvaluetotheprosperityofherrace。IfthePompilushasperfectedhermethodofattack,whyhasnottheSegestriaperfectedhermethodofdefence?Isitpossiblethatcenturiesuponcenturiesshouldhavemodifiedtheonetoitsadvantagewithoutsucceedinginmodifyingtheother?HereIamutterlyataloss。AndIsaytomyself,inallsimplicity:sincethePompilimusthaveSpiders,theformerhavepossessedtheirpatientcunningandtheothertheirfoolishaudacityfromalltime。Thismaybepuerile,ifyouliketothinkitso,andnotinkeepingwiththetranscendentalaimsofourfashionabletheorists;theargumentcontainsneitherthesubjectivenortheobjectivepointofview,neitheradaptationnordifferentiation,neitheratavismnorevolutionism。Verywell,butatleastIunderstandit。
LetusreturntothehabitsofPompilusapicalis。Withoutexpectingresultsofanyparticularinterest,forincaptivitytherespectivetalentsofthehuntressandthequarryseemtoslumber,Iplacetogether,inawidejar,aWaspandaSegestria。TheSpiderandherenemymutuallyavoideachother,bothbeingequallytimid。Ajudiciousshakeortwobringsthemintocontact。TheSegestria,fromtimetotime,catchesholdofthePompilus,whogathersherselfupasbestshecan,withoutattemptingtousehersting;theSpiderrollstheinsectbetweenherlegsandevenbetweenhermandibles,butappearstodislikedoingit。OnceIseeherlieonherbackandholdthePompilusaboveher,asfarawayaspossible,whileturningheroverinherfore-legsandmunchingatherwithhermandibles。TheWasp,whetherbyherownadroitnessorowingtotheSpider\'sdreadofher,promptlyescapesfromtheterriblefangs,movestoashortdistanceanddoesnotseemtotroubleundulyaboutthebuffetingwhichshehasreceived。
Shequietlypolishesherwingsandcurlsherantennaebypullingthemwhilestandingonthemwithherfore-tarsi。TheattackoftheSegestria,stimulatedbymyshakes,isrepeatedtentimesover;andthePompilusalwaysescapesfromthevenomousfangsunscathed,asthoughshewereinvulnerable。
Isshereallyinvulnerable?Bynomeans,asweshallsoonhaveprovedtous;ifsheretiressafeandsound,itisbecausetheSpiderdoesnotuseherfangs。Whatweseeisasortoftruce,atacitconventionforbiddingdeadlystrokes,orratherthedemoralizationduetocaptivity;andthetwoadversariesarenolongerinasufficientlywarlikemoodtomakeplaywiththeirdaggers。ThetranquillityofthePompilus,whokeepsonjauntilycurlingherantennaeinfaceoftheSegestria,reassuresmeastomyprisoner\'sfate;forgreatersecurity,however,Ithrowherascrapofpaper,inthefoldsofwhichshewillfindarefugeduringthenight。Sheinstalsherselfthere,outoftheSpider\'sreach。NextmorningIfindherdead。DuringthenighttheSegestria,whosehabitsarenocturnal,hasrecoveredherdaringandstabbedherenemy。Ihadmysuspicionsthatthepartsplayedmightbereversed!Thebutcherofyesterdayisthevictimofto-day。
IreplacethePompilusbyaHive-bee。Theinterviewisnotprotracted。Twohourslater,theBeeisdead,bittenbytheSpider。ADrone-flysuffersthesamefate。TheSegestria,however,doesnottoucheitherofthetwocorpses,anymorethanshetouchedthecorpseofthePompilus。Inthesemurdersthecaptiveseemstohavenootherobjectthantoridherselfofaturbulentneighbour。Whenappetiteawakes,perhapsthevictimswillbeturnedtoaccount。Theywerenot;andthefaultwasmine。IplacedinthejaraBumble-beeofaveragesize。AdaylatertheSpiderwasdead;therudesharerofhercaptivityhaddonethedeed。
LetussaynomoreoftheseunequalduelsintheglassprisonandcompletethestoryofthePompiluswhomweleftatthefootofthewallwiththeparalysedSegestria。Sheabandonsherpreyonthegroundandreturnstothewall。ShevisitstheSpider\'sfunnelsonebyone,walkingonthemasfreelyasonthestones;sheinspectsthesilkentubes,dippingherantennaeintothem,soundingandexploringthem;sheenterswithouttheleasthesitation。
WhencedoesshenowderivethetemeritythustoentertheSegestria\'shaunts?Butalittlewhileago,shewasdisplayingextremecaution;atthismoment,sheseemsheedlessofdanger。Thefactisthatthereisnodangerreally。TheWaspisinspectinguninhabitedhouses。Whenshedivesdownasilkentunnel,sheverywellknowsthatthereisnoonein,for,hadtheSegestriabeenthere,shewouldbythistimehaveappearedonthethreshold。Thefactthatthehouseholderdoesnotshowherselfatthefirstvibrationoftheneighbouringthreadsisacertainproofthatthetubeisvacant;andthePompilusentersinfullsecurity。Iwouldrecommendfutureobserversnottotakethepresentinvestigationsforhunting-tactics。I
havealreadyremarkedandIrepeat:thePompilusneverentersthesilkenambushwhiletheSpideristhere。
Amongthefunnelsinspectedoneappearstosuitherbetterthantheothers;
shereturnstoitfrequentlyinthecourseofherinvestigations,whichlastfornearlyanhour。FromtimetotimeshehastensbacktotheSpiderlyingontheground;sheexaminesher,tugsather,dragsheralittleclosertothewall,thenleavesherthebettertoreconnoitrethetunnelwhichistheobjectofherpreference。LastlyshereturnstotheSegestriaandtakesherbythetipoftheabdomen。Thequarryissoheavythatshehasgreatdifficultyinmovingitalongthelevelground。Twoinchesdivideitfromthewall。Shegetstothewall,notwithouteffort;nevertheless,oncethewallisreached,thejobisquicklydone。WelearnthatAntaeus,thesonofMotherEarth,inhisstrugglewithHercules,receivednewstrengthasoftenashisfeettouchedtheground;thePompilus,thedaughterofthewall,seemstoincreaseherpowerstenfoldonceshehassetfootonthemasonry。
ForhereistheWasphoistingherpreybackwards,herenormousprey,whichdanglesbeneathher。Sheclimbsnowaverticalplane,nowaslope,accordingtotheunevensurfaceofthestones。Shecrossesgapswhereshehastogobellyuppermost,whilethequarryswingstoandfrointheair。
Nothingstopsher;shekeepsonclimbing,toaheightofsixfeetormore,withoutselectingherpath,withoutseeinghergoal,sinceshegoesbackwards。Alodgeappearsnodoubtreconnoitredbeforehandandreached,despitethedifficultiesofanascentwhichdidnotallowhertoseeit。
ThePompiluslaysherpreyonit。Thesilkentubewhichsheinspectedsolovinglyisonlysomeeightinchesdistant。Shegoestoit,examinesitrapidlyandreturnstotheSpider,whomsheatlengthlowersdownthetube。
ShortlyafterwardsIseehercomeoutagain。Shesearcheshereandthereonthewallforafewscrapsofmortar,twoorthreefairlylargepieces,whichshecarriestothetube,tocloseitup。Thetaskisdone。Shefliesaway。
NextdayIinspectthisstrangeburrow。TheSpiderisatthebottomofthesilkentube,isolatedoneveryside,asthoughinahammock。TheWasp\'seggisgluednottotheventralsurfaceofthevictimbuttotheback,aboutthemiddle,nearthebeginningoftheabdomen。Itiswhite,cylindricalandaboutatwelfthofaninchlong。ThefewbitsofmortarwhichIsawcarriedhavebutveryroughlyblockedthesilkenchamberattheend。ThusPompilusapicalislaysherquarryandhereggsnotinaburrowofherownmaking,butintheSpider\'sactualhouse。Perhapsthesilkentubebelongstothisveryvictim,whichinthateventprovidesbothboardandlodging。WhatashelterforthelarvaofthisPompilus:thewarmretreatanddownyhammockoftheSegestria!
Herethen,already,wehavetwoSpider-huntresses,theRingedPompilusandP。apicalis,who,unversedintheminer\'scraft,establishtheiroffspringinexpensivelyinaccidentalchinksinthewalls,oreveninthelairoftheSpideronwhomthelarvafeeds。Inthesecells,acquiredwithoutexertion,theybuildonlyanattemptatawallwithafewfragmentsofmortar。Butwemustbewareofgeneralizingaboutthisexpeditiousmethodofestablishment。
OtherPompiliaretruediggers,valiantlysinkingaburrowinthesoil,toadepthofacoupleofinches。TheseincludetheEight-spottedPompilus(P。
octopunctatus,PANZ。),withherblack-and-yellowliveryandheramberwings,alittledarkeratthetips。ForhergameshechoosestheEpeirae(E。fasciata,E。sericea)(FortheGarden-spidersknownastheBandedEpeiraandtheSilkyEpeiracf。“TheLifeoftheSpider“:chapters11,13,14etpassim——Translator\'sNote。),thosefatSpiders,magnificentlyadorned,wholieinwaitatthecentreoftheirlarge,verticalwebs。Iamnotsufficientlyacquaintedwithherhabitstodescribethem;aboveall,I
knownothingofherhunting-tactics。Butherdwellingisfamiliartome:itisaburrow,whichIhaveseenherbegin,completeandcloseaccordingtothecustomarymethodoftheDigger-wasps。
CHAPTER2。THESCOLIAE。
Werestrengthtotakeprecedenceovertheotherzoologicalattributes,theScoliaewouldholdapredominantplaceinthefrontrankoftheWasps。Someofthemmaybecomparedinsizewiththelittlebirdfromthenorth,theGolden-crestedWren,whocomestousatthetimeofthefirstautumnmistsandvisitstherottenbuds。Thelargestandmostimposingofoursting-
bearers,theCarpenter-bee,theBumble-bee,theHornet,cutapoorfigurebesidecertainoftheScoliae。OfthisgroupofgiantsmydistrictpossessestheGardenScolia(S。hortorum,VANDERLIND),whoisoveraninchandahalfinlengthandmeasuresfourinchesfromtiptotipofheroutspreadwings,andtheHemorrhoidalScolia(S。haemorrhoidalis,VANDER
LIND),whorivalstheGardenScoliainpointofsizeandisdistinguishedmoreparticularlybythebundleofredhairsbristlingatthetipoftheabdomen。
Ablacklivery,withbroadyellowpatches;leatherywings,amber-coloured,liketheskinofanonion,andwateredwithpurplereflections;thick,knottedlegs,coveredwithsharphairs;amassiveframe;apowerfulhead,encasedinahardcranium;astiff,clumsygait;alow,short,silentflight:thisgivesyouaconcisedescriptionofthefemale,whoisstronglyequippedforherarduoustask。Themale,beingamerephilanderer,sportsamoreelegantpairofhorns,ismoredaintilycladandhasamoregracefulfigure,withoutaltogetherlosingthequalityofrobustnesswhichishisconsort\'sleadingcharacteristic。
Itisnotwithoutacertainalarmthattheinsect-collectorfindshimselfforthefirsttimeconfrontedbytheGardenScolia。Howishetocapturetheimposingcreature,howtoavoiditssting?IfitseffectisinproportiontotheWasp\'ssize,thestingoftheScoliamustbesomethingterrible。TheHornet,thoughsheunsheathherweaponbutonce,causesthemostexquisitepain。Whatwoulditbelikeifonewerestabbedbythiscolossus?Theprospectofaswellingasbigasaman\'sfistandaspainfulasthetouchofared-hotironpassesthroughourmindatthemomentwhenwearebringingdownthenet。Andwerefrain,webeataretreat,wearegreatlyrelievednottohavearousedthedangerouscreature\'sattention。
Yes,IconfesstohavingrunawayfrommyfirstScoliae,anxiousthoughI
wastoenrichmybuddingcollectionwiththismagnificentinsect。TherewerepainfulrecollectionsoftheCommonWaspandtheHornetconnectedwiththisexcessofprudence。Isayexcess,forto-day,instructedbylongexperience,Ihavequiterecoveredfrommyformerfears;and,whenIseeaScoliarestingonathistle-head,Idonotscrupletotakeherinmyfingers,withoutanyprecautionwhatever,howeverlargeshemaybeandhowevermenacingheraspect。Mycourageisnotallthatitseemstobe;I
amquitereadytotelltheWasp-huntingnovicethis。TheScoliaearenotablypeaceable。Theirstingisanimplementoflabourfarmorethanaweaponofwar;theyuseittoparalysethepreydestinedfortheiroffspring;andonlyinthelastextremitydotheyemployitinself-
defence。Moreover,thelackofagilityintheirmovementsnearlyalwaysenablesustoavoidtheirsting;and,evenifwebestung,thepainisalmostinsignificant。ThisabsenceofanyacutesmartingasaresultofthepoisonisalmostconstantintheHuntingWasps,whoseweaponisasurgicallancetanddevisedforthemostdelicatephysiologicaloperations。
AmongtheotherScoliaeofmydistrictIwillmentiontheTwo-bandedScolia(S。bifasciata,VANDERLIND),whomIseeeveryyear,inSeptember,workingattheheapsofleaf-mouldwhichareplacedforherbenefitinacornerofmypaddock;andtheInterruptedScolia(S。interrupta,LATR。),theinhabitantofthesandysoilatthefootoftheneighbouringhills。Muchsmallerthanthetwoprecedinginsects,butalsomuchcommoner,anecessaryconditionofcontinuousobservation,theywillprovidemewiththeprincipaldataforthisstudyoftheScoliae。
Iopenmyoldnotebook;andIseemyselfoncemore,onthe6thofAugust,1857,intheBoisdesIssards,thatfamouscopsenearAvignonwhichIhavecelebratedinmyessayontheBembex-wasps。(Cf。“TheHuntingWasps“:
chapter14——Translator\'sNote。)Onceagain,myheadcrammedwithentomologicalprojects,Iamatthebeginningofmyholidayswhich,fortwomonths,willallowmetoindulgeintheinsect\'scompany。
AfigforMariotte\'sflaskandToricelli\'stube!(EdmeMariotte(1620-
1684),aFrenchchemistwhodiscovered,independentlyofRobertBoyletheIrishman(1627-1691),thelawgenerallyknownasBoyle\'slaw,whichstatesthattheproductofthevolumeandthetemperatureofagasisconstantatconstanttemperature。Hisflaskisanapparatuscontrivedtoillustrateatmosphericpressureandensureaconstantflowofliquid——Translator\'sNote。)(EvangelistaToricelli(1608-1647),adiscipleofGalileoandprofessorofphilosophyandmathematicsatFlorence。His“tube“isourmercurybarometer。Hewasthefirsttoobtainavacuumbymeansofmercury;
andhealsoimprovedthemicroscopeandthetelescope——Translator\'sNote。)
Thisisthethrice-blestperiodwhenIceasetobeaschoolmasterandbecomeaschoolboy,theschoolboyinlovewithanimals。Likeamadder-
cutteroffforhisday\'swork,Isetoutcarryingovermyshoulderasoliddigging-implement,thelocalluchet,andonmybackmygame-bagwithboxes,bottles,trowel,glasstubes,tweezers,lensesandotherimpedimenta。A
largeumbrellasavesmefromsunstroke。Itisthemostscorchinghourofthehottestdayintheyear。Exhaustedbytheheat,theCicadaearesilent。Thebronze-eyedGad-fliesseekarefugefromthepitilesssunundertheroofofmysilkenshelter;otherlargeFlies,thesobre-huedPangoniae,dashthemselvesrecklesslyagainstmyface。
ThespotatwhichIhaveinstalledmyselfisasandyclearingwhichIhadrecognizedtheyearbeforeasasitebelovedoftheScoliae。Hereandtherearescatteredthicketsofholm-oak,whosedenseundergrowthsheltersabedofdeadleavesandathinlayerofmould。Mymemoryhasservedmewell。
Here,sureenough,astheheatgrowsalittleless,appear,comingIknownotfromwhence,someTwo-bandedScoliae。Thenumberincreases;anditisnotlongbeforeIseeverynearlyadozenofthemaboutme,closeenoughforobservation。Bytheirsmallersizeandmorebuoyantflight,theyareeasilyknownformales。Almostgrazingtheground,theyflysoftly,goingtoandfro,passingandrepassingineverydirection。Fromtimetotimeoneofthemalightsontheground,feelsthesandwithhisantennaeandseemstobeenquiringintowhatishappeninginthedepthsofthesoil;thenheresumeshisflight,alternatelycomingandgoing。
Whataretheywaitingfor?Whataretheyseekingintheseevolutionsoftheirs,whicharerepeatedahundredtimesover?Food?No,forclosebesidethemstandseveraleryngo-stems,whosesturdyclustersaretheWasps\'usualresourceatthisseasonofparchedvegetation;andnotoneofthemsettlesupontheflowers,notoneofthemseemstocareabouttheirsugaryexudations。Theirattentionisengrossedelsewhere。Itistheground,itisthestretchofsandwhichtheyaresoassiduouslyexploring;whattheyarewaitingforisthearrivalofsomefemale,whoburstingthecocoon,mayappearfromonemomenttothenext,issuingalldustyfromtheground。Shewillnotbegiventimetobrushherselfortowashhereyes:threeorfourmoreofthemwillbethereatonce,eagertodisputeherpossession。IamtoofamiliarwiththeamorouscontestsoftheHymenopteronclantoallowmyselftobemistaken。Itistheruleforthemales,whoaretheearlierofthetwo,tokeepacloseguardaroundthenatalspotandwatchfortheemergenceofthefemales,whomtheypesterwiththeirpursuitthemomenttheyreachthelightofday。ThisisthemotiveoftheinterminableballetofmyScoliae。Letushavepatience:perhapsweshallwitnessthenuptials。
Thehoursgoby;thePangoniaeandtheGad-fliesdesertmyumbrella;theScoliaegrowwearyandgraduallydisappear。Itisfinished。Ishallseenothingmoreto-day。IrepeatmylaboriousexpeditiontotheBoisdesIssardsoverandoveragain;andeachtimeIseethemalesasassiduousaseverinskimmingovertheground。Myperseverancedeservedtosucceed。Itdid,thoughthesuccesswasveryincomplete。Letmedescribeit,suchasitwas;thefuturewillfillupthegaps。
Afemaleissuesfromthesoilbeforemyeyes。Shefliesaway,followedbyseveralmales。WiththeluchetIdigatthepointofemergence;and,astheexcavationprogresses,Isiftbetweenmyfingerstherubbishofsandmixedwithmould。Inthesweatofmybrow,asImayjustlysay,Imusthaveremovednearlyacubicyardofmaterial,whenatlastImakeafind。Thisisarecentlyrupturedcocoon,tothesideofwhichadheresanemptyskin,thelastremnantofthegameonwhichthelarvafedthatwroughtthesaidcocoon。Consideringthegoodconditionofitssilkenfabric,thiscocoonmayhavebelongedtotheScoliawhohasjustquittedherundergrounddwellingbeforemyeyes。Asfortheskinaccompanyingit,thishasbeensomuchspoiltbythemoistureofthesoilandbythegrassyrootsthatI
cannotdetermineitsoriginexactly。Thecranium,however,whichisbetter-
preserved,themandiblesandcertaindetailsofthegeneralconfigurationleadmetosuspectthelarvaofaLamellicorn。
Itisgettinglate。Thisisenoughforto-day。Iamwornout,butamplyrepaidformyexertionsbyabrokencocoonandthepuzzlingskinofawretchedgrub。Youngpeoplewhomakeahobbyofnaturalhistory,wouldyouliketodiscoverwhetherthesacredfireflowsinyourveins?Imagineyourselvesreturningfromsuchanexpedition。Youarecarryingonyourshoulderthepeasant\'sheavyspade;yourloinsarestiffwiththelaboriousdiggingwhichyouhavejustfinishedinacrouchingposition;theheatofanAugustafternoonhassetyourbrainsimmering;youreyelidsaretiredbytheitchofaninflammationresultingfromtheoverpoweringlightinwhichyouhavebeenworking;youhaveadevouringthirst;andbeforeyouliesthedustyprospectofthemilesthatdivideyoufromyourwell-earnedrest。Yetsomethingstingswithinyou;forgetfulofyourpresentwoesyouareabsolutelygladofyourexcursion。Why?Becauseyouhaveinyourpossessionashredofrottenskin。Ifthisisso,myyoungfriends,youmaygoahead,foryouwilldosomething,thoughIwarnyouthatthisdoesnotmean,byalongway,thatyouwillgetonintheworld。
Iexaminedthisshredofskinwithallthecarethatitdeserved。Myfirstsuspicionswereconfirmed:aLamellicorn,aScarabaeidinthelarvalstate,isthefirstfoodoftheWaspwhosecocoonIhavejustunearthed。ButwhichoftheScarabaeidae?Anddoesthiscocoon,mypreciousbooty,reallybelongtotheScoliae?Theproblemisbeginningtotakeshape。ToattemptitssolutionwemustgobacktotheBoisdesIssards。
IdidgobackandsooftenthatmypatienceendedbybeingexhaustedbeforetheproblemoftheScoliaehadreceivedasatisfactorysolution。Thedifficultiesaregreatindeed,undertheconditions。WhereamItodigintheindefinitestretchofsandysoiltolightuponaspotfrequentedbytheScoliae?Theluchetisdrivenintothegroundatrandom;andalmostinvariablyIfindnoneofwhatIamseeking。Tobesure,themales,flyinglevelwiththeground,givemeahint,attheoutset,withtheircertaintyofinstinct,astothespotswherethefemalesoughttobe;buttheirhintsareveryvague,becausetheygosofarineverydirection。IfIwishedtoexaminethesoilwhichasinglemaleexploresinhisflight,withitsconstantlychangingcourse,Ishouldhavetoturnover,tothedepthofperhapsayard,atleastfourpolesofearth。Thisistoomuchformystrengthandthetimeatmydisposal。Then,astheseasonadvances,themalesdisappear,whereuponIamsuddenlydeprivedoftheirhints。ToknowmoreorlesswhereIshouldthrustmyluchet,Ihaveonlyoneresourceleft,whichistowatchforthefemalesemergingfromthegroundorelseenteringit。WithagreatexpenditureoftimeandpatienceIhaveatlasthadthiswindfall,veryrarely,Iadmit。
TheScoliaedonotdigaburrowwhichcanbecomparedwiththatoftheotherHuntingWasps;theyhavenofixedresidence,withanunimpededgalleryopeningontheouterworldandgivingaccesstothecells,theabodesofthelarvae。Theyhavenoentrance-andexit-doors,nocorridorbuiltinadvance。Iftheyhavetomaketheirwayunderground,anypointnothithertoturnedoverservestheirpurpose,providedthatitbenottoohardfortheirdigging-tools,which,forthatmatter,areverypowerful;iftheyhavetocomeout,thepointofexitisnolessindifferent。TheScoliadoesnotborethesoilthroughwhichshepasses:sheexcavatesandploughsitwithherlegsandforehead;andthestuffshiftedremainswhereitlies,behindher,forthwithblockingthepassagewhichshehasfollowed。Whensheisabouttoemergeintotheouterworld,heradventisheraldedbythefreshsoilwhichheapsitselfintoamoundasthoughheavedupbythesnoutofsometinyMole。Theinsectsalliesforth;andthemoundcollapses,completelyfillinguptheexit-hole。IftheWaspisenteringtheground,thedigging-operations,undertakenatanarbitrarypoint,quicklyyieldacavityinwhichtheScoliadisappears,separatedfromthesurfacebythewholetrackofshiftedmaterial。
Icaneasilytraceherpassagethroughthethicknessofthesoilbycertainlong,windingcylinders,formedofloosematerialsinthemidstofcompactandstableearth。Thesecylindersarenumerous;theysometimesruntoadepthoftwentyinches;theyextendinalldirections,fairlyoftencrossingoneanother。Notoneofthemeverexhibitssomuchasasuspicionofanopengallery。Theyareobviouslynotpermanentwaysofcommunicationwiththeouterworld,buthunting-trailswhichtheinsecthasfollowedonce,withoutgoingbacktothem。WhatwastheWaspseekingwhensheriddledthesoilwiththesetunnelswhicharenowfullofrunningsands?Nodoubtthefoodforherfamily,thelarvaofwhichIpossesstheemptyskin,nowanunrecognizableshred。
Ibegintoseealittlelight:theScoliaeareundergroundworkers。I
alreadyexpectedasmuch,havingbeforenowcapturedScoliaesoiledwithlittleearthyencrustationsonthejointsofthelegs。TheWasp,whoissocarefultokeepclean,takingadvantageoftheleastleisuretobrushandpolishherself,couldneverdisplaysuchblemishesunlessshewereadevotedearth-worker。Iusedtosuspecttheirtrade,nowIknowit。Theyliveunderground,wheretheyburrowinsearchofLamellicorn-grubs,justastheMoleburrowsinsearchoftheWhiteWorm。(ThelarvaoftheCockchafer。
Thisgrubtakesthreeyearsormoretoarriveatmaturityunderground——
Translator\'sNote。)Itisevenpossiblethat,afterreceivingtheembracesofthemales,theybutveryrarelyreturntothesurface,absorbedastheyarebytheirmaternalduties;andthis,nodoubt,iswhymypatiencebecomesexhaustedinwatchingfortheirentranceandtheiremergence。
Itisinthesubsoilthattheyestablishthemselvesandtraveltoandfro;
withthehelpoftheirpowerfulmandibles,theirhardcranium,theirstrong,pricklylegs,theyeasilymakethemselvespathsinthelooseearth。
Theyarelivingploughshares。BytheendofAugust,therefore,thefemalepopulationisforthemostpartunderground,busilyoccupiedinegg-layingandprovisioning。EverythingseemstotellmethatIshouldwatchinvainfortheappearanceofafewfemalesinthebroaddaylight;Imustresignmyselftoexcavatingatrandom。
TheresultwashardlycommensuratewiththelabourwhichIexpendedondigging。Ifoundafewcocoons,nearlyallbroken,liketheonewhichI
alreadypossessed,and,likeit,bearingontheirsidethetatteredskinofalarvaofthesameScarabaeid。TwoofthesecocoonswhicharestillintactcontainedadeadadultWasp。ThiswasactuallytheTwo-bandedScolia,apreciousdiscoverywhichchangedmysuspicionsintoacertainty。
Ialsounearthedsomecocoons,slightlydifferentinappearance,containinganadultinmate,likewisedead,inwhomIrecognizedtheInterruptedScolia。Theremnantsoftheprovisionsagainconsistedoftheemptyskinofalarva,alsoaLamellicorn,butnotthesameastheonehuntedbythefirstScolia。Andthiswasall。Nowhere,nowthere,Ishiftedafewcubicyardsofsoil,withoutmanagingtofindfreshprovisionswiththeeggortheyounglarva。Andyetitwastherightseason,theegg-layingseason,forthemales,numerousattheoutset,hadgrownrarerdaybydayuntiltheydisappearedentirely。Mylackofsuccesswasduetotheuncertaintyofmyexcavations,inwhichIhadnothingtoguidemeovertheindefiniteareacovered。
IfIcouldatleastidentifytheScarabaeidaewhoselarvaeformthepreyofthetwoScoliae,theproblemwouldbehalfsolved。Letustry。Icollectallthattheluchethasturnedup:larvae,nymphsandadultBeetles。MybootycomprisestwospeciesofLamellicorns:AnoxiavillosaandEuchloraJulii,bothofwhomIfindintheperfectstate,usuallydead,butsometimesalive。Iobtainafewoftheirnymphs,agreatpieceofluck,forthelarvalskinwhichaccompaniesthemwillservemeasastandardofcomparison。Icomeuponplentyoflarvae,ofallages。WhenIcomparethemwiththecastgarmentabandonedbythenymphs,IrecognizesomeasbelongingtotheAnoxiaandtheresttotheEuchlora。
Withthesedata,IperceivewithabsolutecertaintythattheemptyskinadheringtothecocoonoftheInterruptedScoliabelongstotheAnoxia。AsfortheEuchlora,sheisnotinvolvedintheproblem:thelarvahuntedbytheTwo-bandedScoliadoesnotbelongtoheranymorethanitbelongstotheAnoxia。ThenwithwhichScarabaeiddoestheemptyskinwhichisstillunknowntomecorrespond?TheLamellicornwhomIamseekingmustexistinthegroundwhichIhavebeenexploring,becausetheTwo-bandedScoliahasestablishedherselfthere。Later——oh,verylongafterwards!——Irecognizedwheremysearchwasatfault。Inordernottofindanetworkofrootsbeneathmyluchetandtorendertheworkofexcavationlighter,Iwasdiggingthebareplaces,atsomedistancefromthethicketsofholm-oak;
anditwasjustinthosethickets,whicharerichinvegetablemould,thatIshouldhavesought。There,neartheoldstumps,inthesoilconsistingofdeadleavesandrottingwood,Ishouldcertainlyhavecomeuponthelarvasogreatlydesired,aswillbeprovedbywhatIhavestilltosay。
Hereendswhatmyearlierinvestigationstaughtme。ThereisreasontobelievethattheBoisdesIssardswouldneverhavefurnishedmewiththeprecisedata,intheforminwhichIwantedthem。Theremotenessofthespot,thefatigueoftheexpeditions,whichtheheatrenderedintenselyexhausting,theimpossibilityofknowingwhichpointstoattackwouldundoubtedlyhavediscouragedmebeforetheproblemhadadvancedastepfarther。Studiessuchasthesecallforhomeleisureandapplication,forresidenceinacountryvillage。Youarethenfamiliarwitheveryspotinyourowngroundsandthesurroundingcountryandyoucangotoworkwithcertainty。
Twenty-threeyearshavepassed;andhereIamatSerignan,whereIhavebecomeapeasant,workingbyturnsonmywriting-padandmycabbage-patch。
Onthe14thofAugust,1880,Favier(Anex-soldierwhoactedastheauthor\'sgardenerandfactotum——Translator\'sNote。)clearsawayaheapofmouldconsistingofvegetablerefuseandofleavesstackedinacorneragainstthewallofthepaddock。ThisclearanceisconsiderednecessarybecauseBull,whenthelovers\'moonarrives,usesthishillocktoclimbtothetopofthewallandthencetorepairtothecanineweddingthenewsofwhichisbroughttohimbytheeffluviaborneupontheair。Hispilgrimagefulfilled,hereturns,withadiscomfitedlookandaslitear,butalwaysready,oncehehashadhisfeed,torepeattheescapade。Toputanendtothislicentiousbehaviour,whichhascosthimsomanygapingwounds,wedecidedtoremovetheheapofsoilwhichserveshimasaladderofescape。
Faviercallsmewhileinthemidstofhislabourswiththespadeandbarrow:
“Here\'safind,sir,agreatfind!Comeandlook。“
Ihastentothespot。Thefindisamagnificentoneindeedandofanaturetofillmewithdelight,awakeningallmyoldrecollectionsoftheBoisdesIssards。AnynumberoffemalesoftheTwo-bandedScolia,disturbedattheirwork,areemerginghereandtherefromthedepthofthesoil。Thecocoonsalsoareplentiful,eachlyingnexttotheskinofthevictimonwhichthelarvahasfed。Theyareallopenbutstillfresh:theydatefromthepresentgeneration;theScoliaewhomIunearthhavequittedthemnotlongsince。Ilearntlater,infact,thatthehatchingtookplaceinthecourseofJuly。
InthesameheapofmouldisaswarmingcolonyofScarabaeidaeintheformoflarvae,nymphsandadultinsects。ItincludesthelargestofourBeetles,thecommonRhinocerosBeetle,orOryctesnasicornis。Ifindsomewhohavebeenrecentlyliberated,whosewing-cases,ofaglossybrown,nowseethesunlightforthefirsttime;Ifindothersenclosedintheirearthenshell,almostasbigasaTurkey\'segg。Morefrequentisherpowerfullarva,withitsheavypaunch,bentintoahook。Inotethepresenceofasecondbearerofthenasalhorn,OryctesSilenus,whoismuchsmallerthanherkinswoman,andofPentodonpunctatus,aScarabaeidwhoravagesmylettuces。
ButthepredominantpopulationconsistsofCetoniae,orRosechafers,mostofthemenclosedintheiregg-shapedshells,withearthenwallsencrustedwithdung。Therearethreedifferentspecies:C。aurata,C。morioandC。
floricola。Mostofthembelongtothefirstspecies。Theirlarvae,whichareeasilyrecognizedbytheirsingulartalentforwalkingontheirbackswiththeirlegsintheair,arenumberedbythehundred。Everyageisrepresented,fromthenewborngrubtothepodgylarvaonthepointofbuildingitsshell。
Thistimetheproblemofthevictualsissolved。WhenIcomparethelarvalsloughstickingtotheScolia\'scocoonswiththeCetonia-larvaeor,better,withtheskincastbytheselarvae,undercoverofthecocoon,atthemomentofthenymphaltransformation,Iestablishanabsoluteidentity。TheTwo-bandedScoliarationseachofhereggswithaCetonia-grub。BeholdtheriddlewhichmyirksomesearchesintheBoisdesIssardshadnotenabledmetosolve。To-day,atmythreshold,thedifficultproblembecomeschild\'splay。Icaninvestigatethequestioneasilytothefullestpossibleextent;
Ineednotputmyselfoutatall;atanyhouroftheday,atanyperiodthatseemsfavourable,Ihavetherequisiteelementsbeforemyeyes。Ah,dearvillage,sopoor,socountrified,howhappilyinspiredwasIwhenI
cametoaskofyouahermit\'sretreat,whereIcouldliveinthecompanyofmybelovedinsectsand,insodoing,setdownnottoounworthilyafewchaptersoftheirwonderfulhistory!
AccordingtotheItalianobserverPasserini,theGardenScoliafeedsherfamilyonthelarvaeofOryctesnasicornis,intheheapsofoldtan-wasteremovedfromthehot-houses。IdonotdespairofseeingthiscolossalWaspcomingtoestablishherselfonedayinmyheapsofleaf-mould,inwhichthesameScarabaeidisswarming。Herrarityinmypartofthecountryisprobablytheonlycausethathashithertopreventedtherealizationofmywishes。
IhavejustshownthattheTwo-bandedScoliafeedsininfancyonCetonia-
larvaeandparticularlyonthoseofC。aurata,C。morioandC。floricola。
Thesethreespeciesdwelltogetherintherubbish-heapjustexplored;theirlarvaediffersolittlethatIshouldhavetoexaminethemminutelytodistinguishtheonefromtheother;andeventhenIshouldnotbecertainofsucceeding。ItseemsprobablethattheScoliadoesnotchoosebetweenthem,thatsheusesallthreeindiscriminately。Perhapssheevenassailsotherlarvae,inhabitants,liketheforegoing,ofheapsofrottingvegetable-matter。IthereforesetdowntheCetoniagenusgenerallyasformingthepreyoftheTwo-bandedScolia。
Lastly,roundaboutAvignon,theInterruptedScoliausedtopreyuponthelarvaoftheShaggyAnoxia(A。villosa)。AtSerignan,whichissurroundedbythesamekindofsandysoil,withoutothervegetationthanafewsparseseed-bearinggrasses,IfindherrationingheryoungwiththeMorningAnoxia(A。matutinalis)。Oryctes,CetoniaeandAnoxiaeinthelarvalstate:
herethenisthepreyofthethreeScoliaewhosehabitsweknow。ThethreeBeetlesareLamellicorns,Scarabaeidae。Weshallhaveoccasionlatertoconsiderthereasonofthisverystrikingcoincidence。
Forthemoment,thebusinessinhandistomovetheheapofleaf-mouldtosomeotherplace,withthewheelbarrow。ThisisFavier\'swork,whileI
myselfcollectthedisturbedpopulationinglassjars,inordertoputthembackintothenewrubbish-heapwithalltheconsiderationwhichmyplansowetothem。Thelaying-timehasnotyetsetin,forIfindnoeggs,noyoungScolia-larvae。Septemberapparentlywillbethepropitiousmonth。Butthereareboundtobemanyinjuredinthecourseofthisupheaval;someoftheScoliaehaveflownawaywhowillperhapshaveacertaindifficultyinfindingthenewsite;Ihavedisarrangedeverythingintheoverturnedheap。
Toallowtranquilitytoberestoredandhabittoresumeitsrounds,togivethepopulationtimetoincreaseandreplacethefugitivesandtheinjured,itwouldbebest,Ithink,toleavetheheapalonethisyearandnottoresumemyinvestigationsuntilthenext。Afterthethoroughconfusionduetotheremoval,Ishouldjeopardizesuccessbybeingtooprecipitate。Letuswaitoneyearmore。Idecideaccordingly,curbmyimpatienceandresignmyself。Wewillsimplyconfineourselvestoenlargingtheheap,whentheleavesbegintofall,byaccumulatingtherefusethatstrewsthepaddock,sothatwemayhavearicherfieldofoperations。
InthefollowingAugust,myvisitstothemoundofleaf-mouldbecomeadailyhabit。Bytwoo\'clockintheafternoon,whenthesunhasclearedtheadjacentpine-treesandisshiningontheheap,numbersofmaleScoliaearrivefromtheneighbouringfields,wheretheyhavebeenslakingtheirthirstontheeryngo-heads。Incessantlycomingandgoingwithanindolentflight,theycircleroundtheheap。Ifsomefemalerisefromthesoil,thosewhohaveseenherdartforward。Anotveryturbulentaffraydecideswhichofthesuitorsshallbethepossessor;andthecoupleflyawayoverthewall。ThisisarepetitionofwhatIusedtoseeintheBoisdesIssards。BythetimethatAugustisover。Themaleshaveceasedtoshowthemselves。Themothersdonotappeareither:theyarebusyunderground,establishingtheirfamilies。
Onthe2ndofSeptember,IdecideuponasearchwithmysonEmile,whohandlestheforkandtheshovel,whileIexaminetheclodsdugup。Victory!
Amagnificentresult,finerthananythatmyfondestambitionwouldhavedaredtocontemplate!HereisavastarrayofCetonia-larvae,allflaccid,motionless,lyingontheirbacks,withaScolia\'seggstickingtothecentreoftheirabdomen;hereareyoungScolia-larvaedippingtheirheadsintotheentrailsoftheirvictims;hereareothersfartheradvanced,munchingtheirlastmouthfulsofapreywhichisdraineddryandreducedtoaskin;herearesomelayingthefoundationoftheircocoonswithareddishsilk,whichlooksasifithadbeendyedinBullock\'sblood;herearesomewhosecocoonsarefinished。Thereisplentyofeverything,fromtheeggtothelarvawhoseperiodofactivityisover。Imarkthe2ndofSeptemberasared-letterday;ithasgivenmethefinalkeytoariddlewhichhaskeptmeinsuspensefornearlyhalfacentury。
Iplacemyspoilsreligiouslyinshallow,wide-mouthedglassjarscontainingalayeroffinelysiftedmould。Inthissoftbed,whichisidenticalincharacterwiththenatalsurroundings,Imakesomefaintimpressionswithmyfingers,somanycavities,eachofwhichreceivesoneofmysubjects,oneonly。Apaneofglasscoversthemouthofthereceptacle。InthiswayIpreventatoorapidevaporationandkeepmynurselingsundermyeyeswithoutfearofdisturbingthem。Nowthatallthisisinorder,letusproceedtorecordevents。
TheCetonia-larvaewhichIfindwithaScolia\'seggupontheirventralsurfacearedistributedinthemouldatrandom,withoutspecialcavities,withoutanysignofsomesortofstructure。Theyaresmotheredinthemould,justasarethelarvaewhichhavenotbeeninjuredbytheWasp。AsmyexcavationsintheBoisdesIssardstoldme,theScoliadoesnotpreparealodgingforherfamily;sheknowsnothingoftheartofcell-building。
Heroffspringoccupiesafortuitousabode,onwhichthemotherexpendsnoarchitecturalpains。WhereastheotherHuntingWaspsprepareadwellingtowhichtheprovisionsarecarried,sometimesfromadistance,theScoliaconfinesherselftodiggingherbedofleaf-moulduntilshecomesuponaCetonia-larva。Whenshefindsaquarry,shestabsitonthespot,inordertoimmobilizeit;and,againonthespot,shelaysaneggontheventralsurfaceoftheparalysedcreature。Thatisall。Themothergoesinquestofanotherpreywithouttroublingfurtherabouttheeggwhichhasjustbeenlaid。Thereisnoeffortofcartingorbuilding。AttheveryspotwheretheCetonia-grubiscaughtandparalysed,theScolia-larvahatches,growsandweavesitscocoon。Theestablishmentofthefamilyisthusreducedtothesimplestpossibleexpression。
CHAPTER3。ADANGEROUSDIET。
TheScolia\'seggisinnowayexceptionalinshape。Itiswhite,cylindrical,straightandaboutfourmillimetreslongbyonemillimetrethick。(About。156x。039inch——Translator\'sNote。)Itisfixed,byitsfore-end,uponthemedianlineofthevictim\'sabdomen,welltotherearofthelegs,nearthebeginningofthebrownpatchformedbythemassoffoodundertheskin。
Iwatchthehatching。Thegrub,stillwearinguponitshinderpartsthedelicatepelliclewhichithasjustshed,isfixedtothespottowhichtheeggitselfadheredbyitscephalicextremity。Astrikingspectacle,thatofthefeeblecreature,onlythismomenthatched,boring,foritsfirstmouthful,intothepaunchofitsenormousprey,whichliesstretcheduponitsback。Thenascenttoothtakesadayoverthedifficulttask。Nextmorningtheskinhasyielded;andIfindthenew-bornlarvawithitsheadplungedintoasmall,round,bleedingwound。
Insizethegrubisthesameastheegg,whosedimensionsIhavejustgiven。NowtheCetonia-larva,tomeettheScolia\'srequirements,averagesthirtymillimetresinlengthbynineinthickness(1。17x。35inch——
Translator\'sNote。),whencefollowsthatitsbulkissixorsevenhundredtimesasgreatasthatofthenewly-hatchedgruboftheScolia。Herecertainlyisaquarrywhich,wereitactiveandcapableofwrigglingandbiting,wouldexposethenurselingtoterribleattacks。Thedangerhasbeenavertedbythemother\'sstiletto;andthefragilegrubattacksthemonster\'spaunchwithaslittlehesitationasthoughitweresuckingthebreast。
DaybydaytheyoungScolia\'sheadpenetratesfartherintotheCetonia\'sbelly。Topassthroughthenarroworificemadeintheskin,thefore-partofthebodycontractsandlengthensout,asthoughdrawnthroughadie-
plate。Thelarvathusassumesaratherstrangeform。Itshinderhalf,whichisconstantlyoutsidethevictim\'sbelly,hastheshapeandfulnessusualinthelarvaeoftheDigger-wasps,whereasthefronthalf,which,onceithasdivedundertheskinoftheexploitedvictim,doesnotcomeoutagainuntilthetimearrivesforspinningthecocoon,tapersoffsuddenlyintoasnake-likeneck。Thisfrontpartismoulded,sotospeak,bythenarrowentrance-holemadeintheskinandhenceforthretainsitsslenderformation。Asamatteroffact,asimilarconfigurationrecurs,invaryingdegrees,inthelarvaeoftheDigger-waspswhoserationconsistsofabulkyquarrywhichtakesalongtimetoconsume。TheseincludetheLanguedocianSphex,withherEphippiger,andtheHairyAmmophila,withherGreyWorm。
Thereisnoneofthissuddenconstriction,dividingthecreatureintotwodisparatehalves,whenthevictualsconsistofnumerousandcomparativelysmallitems。Thelarvathenretainsitsusualshape,beingobligedtopass,atbriefintervals,fromonejointinitslardertothenext。
>Fromthefirstbiteofthemandibles,untilthewholeheadofgameisconsumed,theScolia-larvaisneverseentowithdrawitsheadanditslongneckfrominsidethecreaturewhichitisdevouring。Isuspectthereasonofthispersistenceinattackingasinglepoint;Ievenseemtoperceivetheneedforaspecialartinthemannerofeating。TheCetonia-larvaisasquaremealinitself,onelargedish,whichhastoretainasuitablefreshnessuntiltheend。TheyoungScolia,therefore,mustattackwithdiscretion,attheunvaryingpointchosenbythemotherontheventralsurface,fortheentrance-holeisattheexactpointwheretheeggwasfixed。Asthenurseling\'snecklengthensanddivesdeeper,thevictim\'sentrailsarenibbledgraduallyandmethodically:first,theleastessential;next,thosewhoseremovalleavesyetaremnantoflife;lastly,thosewhoselossinevitablyentailsdeath,followedverysoonbyputrefaction。
Atthefirstbitesweseethevictim\'sbloodoozingthroughthewound。Itisahighly-elaboratedfluid,easyofdigestion,andformsasortofmilk-
dietforthenew-borngrub。Thelittleogre\'steatisthebleedingpaunchoftheCetonia-larva。Thelatterwillnotdieofthewound,atleastnotforsometime。Thenextthingtobetackledisthefattysubstancewhichwrapstheinternalorgansinitsdelicatefolds。ThisagainisalosswhichtheCetoniacansufferwithoutdyingthenandthere。Nowcomestheturnofthemuscularlayerwhichlinestheskin;now,thatoftheessentialorgans;
now,thatofthenerve-centresandthetracheannetwork,whereuponthelastgleamoflightisextinguishedandtheCetoniareducedtoamerebag,emptybutintact,savefortheentrance-holemadeinthemiddleofthebelly。
>Fromnowonwards,theseremainsmayrotiftheywill:theScolia,byitsmethodicalfashionofconsumingitsvictuals,hassucceededinkeepingthemfreshtotheverylast;andnowyoumayseeit,replete,shiningwithhealth,withdrawitslongneckfromthebagofskinandpreparetoweavethecocooninwhichitsdevelopmentwillbecompleted。
ItispossiblethatImaynotbequiteaccurateastothepreciseorderinwhichtheorgansareconsumed,foritisnoteasytoperceivewhathappensinsidetheexploitedlarva\'sbody。Therulingfeatureinthisscientificmethodofeating,whichproceedsfromthepartslesstothepartsmorenecessarytopreservearemnantoflife,isnonethelessobvious。Ifdirectobservationdidnotalreadytosomedegreeconfirmit,amereexaminationofthehalf-eatenlarvawoulddosointhemostpositivefashion。
TheCetonia-larvaisatfirstaplumpgrub。DrainedbytheScolia\'stooth,itgraduallybecomeslimpandwrinkled。Inafewdays\'timeitresemblesashrivelledbitofbacon-fatandthenabagwhosetwosideshavefallenin。
Yetthisbitofbaconandthisbaghavethesamecharacteristiclookoffreshmeatashadthegrubbeforeitwasbitteninto。DespitethepersistentnibblingoftheScolia,lifecontinues,holdingatbaytheinroadsofputrefactionuntilthemandibleshavegiventheirlastbites。
Doesnotthisremnantoftenaciousvitalityinitselfshowthattheorgansofprimaryimportancearethelasttobeattacked?Doesitnotprovethatthereisaprogressivedismembermentpassingfromthelessessentialtotheindispensable?
WouldyouliketoseewhatbecomesofaCetonia-larvawhentheorganismiswoundedinitsvitalcentresattheverybeginning?Theexperimentisaneasyone;andImadeapointoftryingit。Asewing-needle,firstsoftenedandflattenedintoablade,thenretemperedandsharpened,givesmeamostdelicatescalpel。WiththisinstrumentImakeafineincision,throughwhichIremovethemassofnerveswhoseremarkablestructureweshallsoonhaveoccasiontostudy。Thethingisdone:thewound,whichdoesnotlookserious,hasleftthecreatureacorpse,arealcorpse。Ilaymyvictimonabedofmoistearth,inajarwithaglasslid;infact,IestablishitinthesameconditionsasthoseofthelarvaeonwhichtheScoliaefeed。Bythenextday,withoutchangingshape,ithasturnedarepulsivebrown;
presentlyitdissolvesintonoisomeputrescence。Onthesamebedofearth,underthesameglasscover,inthesamemoist,warmatmosphere,thelarvaethree-quarterseatenbytheScoliaeretain,onthecontrary,theappearanceofhealthyflesh。