第6章

类别:其他 作者:Fabre Jean-Henri字数:28099更新时间:18/12/20 10:13:44
Andnowletusrewardourselvesforourtroublebystudyingthetragedyinthebell-glass。Clumsy,awkwardinhermovements,theScoliaslowlygoestheroundofthecircus。Atthesightofthegame,herattentionisaroused。ThestruggleisannouncedbythesamepreparationsasthosedisplayedbytheTwo-bandedScolia:theWasppolishesherwingsandtapsthetablewiththetipsofherantennae。Andview,halloo!Theattackbegins。Unabletomoveonaflatsurface,becauseofitsshortandfeeblelegs,deprivedmoreoveroftheCetonia-larva\'seccentricmeansoftravellingonitsback,theportlygrubhasnothoughtoffleeing;itcoilsitselfup。TheScolia,withherpowerfulpincers,gripsitsskinnowhere,nowelsewhere。Curvedintoacirclewiththetwoendsalmosttouching,shestrivestothrustthetipofherabdomenintothenarrowopeninginthecoilformedbythelarva。Thecontestisconductedcalmly,withoutviolentboutsateachvaryingaccident。Itisthedeterminedattemptofalivingsplitringtryingtosliponeofitsendsintoanotherlivingsplitring,whichwithequaldeterminationrefusestoopen。TheScoliaholdsthevictimsubduedwithherlegsandmandibles;shetriesoneside,thentheother,withoutmanagingtounrollthecircle,whichcontractsstillmoreasitfeelsitsdangerincreasing。Theactualcircumstancesmaketheoperationmoredifficult:thepreyslipsandrollsaboutthetablewhentheinsecthandlesittooviolently;therearenopointsofpurchaseandthestingcannotreachthedesiredspot;thefruitlesseffortsarecontinuedformorethananhour,interruptedbyperiodsofrest,duringwhichthetwoadversariesrepresenttwonarrow,interlockedrings。 WhatoughtthepowerfulCetonia-grubtodotodefytheTwo-bandedScolia,whoisfarlessvigorousthanhervictim?ItshouldimitatetheAnoxia- larvaandremainrolleduplikeaHedgehoguntiltheenemyretires。Ittriestoescape,unrollsitselfandislost。Theotherdoesnotstirfromitspostureofdefenceandresistssuccessfully。Isthisduetoacquiredcaution?No,buttotheimpossibilityofdoingotherwiseontheslipperysurfaceofatable。Clumsy,obese,weakinthelegs,curvedintoahooklikethecommonWhiteWorm(ThelarvaoftheCockchafer——Translator\'sNote。),theAnoxia-larvaisunabletomovealongasmoothsurface;itwritheslaboriously,lyingonitsside。Itneedstheshiftingsoilinwhich,usingitsmandiblesasaplough-share,itdigsintothegroundandburiesitself。 Letustryifsandwillshortenthestruggle,forIseenoendtoityet,aftermorethananhourofwaiting。Ilightlypowderthearena。Theattackisresumedwithavengeance。Thelarva,feelingthesand,itsnativeelement,triestoescape。Imprudentcreature!DidInotsaythatitsobstinacyinremainingrolledupwasduetonoacquiredprudencebuttothenecessityofthemoment?Thesadexperienceofpastadversitieshasnotyettaughtitthepreciousadvantagewhichitmightderivefromkeepingitscoilsclosedsolongasdangerremains。Forthatmatter,ontheunyieldingsupportofmytable,theyarenotoneandallsocautious。Thelargerseemeventohaveforgottenwhattheyknewsowellintheiryouth:thedefensiveartofcoilingthemselvesup。 Icontinuemystorywithafine-sizedspecimen,lesslikelytoslipundertheScolia\'sonslaught。Whenattacked,thelarvadoesnotcurlup,doesnotshrinkintoaringasdidthelast,whichwasyoungerandonlyhalfaslarge。Itstrugglesawkwardly,lyingonitsside,half-open。Foralldefenceittwistsabout;itopens,closesandreopensthegreathooksofitsmandibles。TheScoliagrabsitatrandom,claspsitinhershaggylegsandfornearlyaquarterofanhourbattleswiththeluscioustit-bit。Atlast,afteranotverytumultuousstruggle,whenthefavourablepositionisattainedandthepropitiousmomenthascome,thestingisimplantedinthecreature\'sthorax,inacentralpoint,belowthethroat,levelwiththefore-legs。Theeffectisinstantaneous:totalinertia,exceptoftheappendagesofthehead,theantennaeandmouth-parts。Iachievedthesameresults,thesameprickatadefinite,invariablepoint,withmyseveraloperators,renewedfromtimetotimebysomeluckycastofthenet。 Letusmention,inconclusion,thattheattackoftheInterruptedScoliaisfarlessfiercethanthatoftheTwo-bandedScolia。TheWasp,aroughsand- digger,hasaclumsygait;hermovementsarestiffandalmostautomatic。 Shedoesnotfinditeasytorepeatherdagger-thrust。MostofthespecimenswithwhichIexperimentedrefusedasecondvictimonthefirsttwodaysaftertheirexploits。Asthoughsomnolent,theydidnotstirunlessexcitedbymyteasingthemwithabitofstraw。Althoughmoreactiveandmoreardentinthechase,theTwo-bandedScolialikewisedoesnotdrawherweaponeverytimethatIinviteher。Forallthesehuntressestherearemomentsofinactionwhichthepresenceofafreshpreyispowerlesstodisturb。 TheScoliaehavetaughtmenothingfurther,intheabsenceofsubjectsbelongingtootherspecies。Nomatter:theresultsobtainedrepresentnosmalltriumphformyideas。BeforeseeingtheScoliaeoperate,Isaid,guidedsolelybytheanatomyofthevictims,thattheCetonia-,Anoxia-andOryctes-larvaemustbeparalysedbyasinglethrustofthelancet;Ievennamedthepointwherethestingmuststrike,acentralpoint,intheimmediatevicinityofthefore-legs。Ofthethreegeneraofparalysers,twohaveallowedmetowitnesstheirsurgicalmethods,whichthethird,Ifeelcertain,willconfirm。Inbothcases,asinglethrustofthelancet;inbothcases,injectionofthevenomatapredeterminedpoint。Acalculatorinanobservatorycouldnotcomputethepositionofhisplanetwithgreateraccuracy。Anideamaybetakenasprovedwhenitattainstothismathematicalforecastofthefuture,thiscertainknowledgeoftheunknown。 Whenwilltheacclaimersofchanceachievealikesuccess?Orderappealstoorder;andchanceknowsnolaws。 CHAPTER13。THEMETHODOFTHECALICURGI。 Thenon-armouredvictims,vulnerablebythestingoveralmosttheirwholebody,ordinarycaterpillarsandLoopercaterpillars,Cetonia-andAnoxia- larvae,whoseonlymeansofdefence,apartfromtheirmandibles,consistsofrollingsandcontortions,calledforthetestimonyofanothervictim,theSpider,almostasill-protected,butarmedwithformidablepoison- fangs。How,inparticular,willtheRingedCalicurgussettoworkinoperatingontheBlack-belliedTarantula,theterribleLycosa,whowithasinglebitekillstheMoleortheSparrowandendangersthelifeofman? HowdoestheboldPompilusovercomeanadversarymorepowerfulthanherself,better-equippedwithvirulentpoisonandcapableofmakingamealofherassailant?OfalltheHuntingWasps,noneriskssuchunequalconflicts,inwhichappearanceswouldproclaimtheaggressortobethevictimandthevictimtheaggressor。 Theproblemwasonedeservingpatientstudy。True,Iforesaw,fromtheSpider\'sorganization,asinglestinginthecentreofthethorax;butthatdidnotexplainthevictoryoftheWasp,emergingsafeandsoundfromhertusslewithsuchaquarry。Ihadtoseewhatoccurred。ThechiefdifficultywasthescarcityoftheCalicurgus。ItiseasyformetoobtaintheTarantulaatthedesiredmoment:thepartoftheplateauinmyneighbourhoodleftuntilledbythevine-growersprovidesmewithasmanyasarenecessary。TocapturethePompilusisanothermatter。Ihavesolittlehopeoffindingherthatspecialquestsareregardedasuseless。Tosearchforherwouldperhapsbejustthewaynottofindher。Letusrelyontheuncertaintiesofchance。ShallIgetherorshallInot? I\'vegother。Icatchherunexpectedlyontheflowers。NextdayIsupplymyselfwithhalfadozenTarantulae。PerhapsIshallbeabletoemploythemoneaftertheotherinrepeatedduels。AsIreturnfrommyLycosa-hunt,lucksmilesuponmeagainandcrownsmydesires。AsecondCalicurgusoffersherselftomynet;sheisdraggingherheavy,paralysedSpiderbyoneleg,inthedustofthehighway。Iattachgreatvaluetomyfind:thelayingoftheegghasbecomeapressingmatter;andthemother,Ibelieve,willacceptasubstituteforhervictimwithoutmuchhesitation。Herethenaremytwocaptives,eachunderherbell-glasswithherTarantula。 Iamalleyes。Whatatragedytherewillbeinamoment!Iwait,anxiously……But……but……whatisthis?Whichofthetwoistheassailed? Whichistheassailant?Thecharactersseemtobeinverted。TheCalicurgus,unabletoclimbupthesmoothglasswall,stridesroundtheringofthecircus。Withaproudandrapidgait,herwingsandantennaevibrating,shegoesandreturns。TheLycosaissoonseen。TheCalicurgusapproachesherwithouttheleastsignoffear,walksroundherandappearstohavetheintentionofseizingoneofherlegs。ButatthatmomenttheTarantularisesalmostverticallyonherfourhinderlegs,withherfourfrontlegsliftedandoutspread,readyforthecounterstroke。Thepoison-fangsgapewidely;adropofvenommoistenstheirtips。Theverysightofthemmakesmyfleshcreep。Inthisterribleattitude,presentingherpowerfulthoraxandtheblackvelvetofherbellytotheenemy,theSpideroverawesthePompilus,whosuddenlyturnstailandmovesaway。TheLycosathenclosesherbundleofpoisoneddaggersandresumeshernaturalpose,standingonhereightlegs;but,attheslightestattemptataggressionontheWasp\'spart,sheresumesherthreateningposition。 Shedoesmore:suddenlysheleapsandflingsherselfupontheCalicurgus; swiftlysheclaspsherandnibblesatherwithherfangs。Withoutwieldingherstinginself-defence,theotherdisengagesherselfandmergesunscathedfromtheangryencounter。SeveraltimesinsuccessionIwitnesstheattack;andnothingseriouseverbefallstheWasp,whoswiftlywithdrawsfromthefrayandappearstohavereceivednohurt。Sheresumeshermarchingandcountermarchingnolessboldlyandswiftlythanbefore。 IsthisWaspinvulnerable,thatshethusescapesfromtheterriblefangs? Evidentlynot。Arealbitewouldbefataltoher。Big,sturdilybuiltAcridianssuccumb(LocustsandGrasshoppers——Translator\'sNote。);howisitthatshe,withherdelicateorganism,doesnot!TheSpider\'sdaggers,therefore,makenomorethananidlefeint;theirpointsdonotenterthefleshofthetight-claspedWasp。Ifthestrokeswerereal,Ishouldseebleedingwounds,Ishouldseethefangscloseforamomentonthepartseized;andwithallmyattentionIcannotdetectanythingofthekind。 ThenarethefangspowerlesstopiercetheWasp\'sinteguments?Notso。I haveseenthempenetrate,withacracklingofbrokenarmour,thecorseletoftheAcridians,whichoffersafargreaterresistance。Onceagain,whencecomesthisstrangeimmunityoftheCalicurgusheldbetweenthelegsandassailedbythedaggersoftheTarantula?Idonotknow。Thoughinmortalperilfromtheenemyconfrontingher,theLycosathreatensherwithherfangsandcannotdecidetobite,owingtoarepugnancewhichIdonotundertaketoexplain。 Obtainingnothingmorethanalarumsandexcursionsofnogreatseriousness,Ithinkofmodifyingthegladiatorialarenaandapproximatingittonaturalconditions。Thesoilisveryimperfectlyrepresentedbymywork-table;andtheSpiderhasnotherfortress,herburrow,whichplaysapartofsomeimportancebothinattackandindefence。Ashortlengthofreedisplantedperpendicularlyinalargeearthenwarepanfilledwithsand。ThiswillbetheLycosa\'sburrow。InthemiddleIsticksomeheadsofglobe-thistlegarnishedwithhoneyasarefectoryforthePompilus;acoupleofLocusts,renewedasandwhenconsumed,willsustaintheTarantula。Thesecomfortablequarters,exposedtothesun,receivethetwocaptivesunderawire-gauzedome,whichprovidesadequateventilationforaprolongedresidence。 Myartificescometonothing;thesessioncloseswithoutresult。Adaypasses,twodays,three;stillnothinghappens。ThePompilusisassiduousinhervisitstothehoneyedflower-clusters;whenshehaseatenherfill,sheclambersupthedomeandmakesinterminablecircuitsofthenetting; theTarantulaquietlymunchesherLocust。Iftheotherpasseswithinreach,sheswiftlyraisesherselfandwavesheroff。Theartificialburrow,thereed-stump,fulfillsitspurposeexcellently。TheLycosaandthePompilusresorttoitinturns,butwithoutquarrelling。Andthatisall。Thedramawhoseprologuewassofullofpromiseappearstobeindefinitelypostponed。 Ihavealastresource,onwhichIbasegreathopes:itistoremovemytwoCalicurgitotheverysiteoftheirinvestigationsandtoinstallthematthedooroftheSpider\'slodging,atthetopofthenaturalburrow。ItakethefieldwithanequipmentwhichIamcarryingacrossthecountryforthefirsttime:aglassbell-jar,awire-gauzecoverandthevariousimplementsneededforhandlingandtransferringmyirascibleanddangeroussubjects。 Mysearchforburrowsamongthepebblesandthetuftsofthymeandlavenderissoonsuccessful。 Hereisasplendidone。IlearnbyinsertingastrawthatitisinhabitedbyaTarantulaofasizesuitedtomyplans。Thesoilaroundtheapertureisclearedandflattenedtoreceivethewire-gauze,underwhichIplaceaPompilus。Thisisthetimetolightapipeandwait,lyingonthepebbles……Yetanotherdisappointment。Halfanhourgoesby;andtheWaspconfinesherselftotravellingroundandroundthenettingasshedidinmystudy。Shegivesnosignofgreedwhenconfrontedwiththeburrow,thoughI canseetheTarantula\'sdiamondeyesglitteringatthebottom。 Thetrellisedwallisreplacedbytheglasswall,which,sinceitdoesnotallowhertoscaleitsheights,willobligetheWasptoremainonthegroundandatlasttotakecognizanceoftheshaft,whichsheseemstoignore。Thistimewehavedonethetrick! Afterafewcircuitsofhercage,theCalicurgusnoticesthepityawningatherfeet。Shegoesdownit。Thisdaringconfoundsme。Ishouldneverhaveventuredtoanticipateasmuch。ThatsheshouldsuddenlyflingherselfupontheTarantulawhenthelatterisoutsideherstronghold,wellandgood;buttorushintothelair,whentheterriblemonsteriswaitingforyoubelowwiththosetwopoisoneddaggersofhers!Whatwillcomeofsuchtemerity?A buzzingofwingsascendsfromthedepths。Runtoearthinherprivateapartments,theLycosaisnodoubtatgripswiththeintruder。ThathumofwingsistheCalicurgus\'paeanoftriumph,untilitbeherdeath-song。Theslayermaywellbetheslain。Whichofthetwowillcomeupalive? ItistheLycosa,whohurriedlyscampersoutandpostsherselfjustovertheorificeoftheburrow,inherpostureofdefence,herfangsopen,herfourfrontlegsuplifted。Cantheotherhavebeenstabbed?Notatall,forsheemergesinherturn,notwithoutreceivingonthewayacufffromtheSpider,whoimmediatelyregainsherlair。Dislodgedfromherbasementasecondandyetathirdtime,theTarantulaalwayscomesupunwounded;shealwaysawaitsheradversaryonherthreshold,administerspunishmentandreentersherdwelling。InvaindoItrymytwoPompilialternatelyandchangetheburrow;Idonotsucceedinobservinganythingelse。Certainconditionsnotrealizedbymystratagemsarelackingtocompletethetragedy。 Discouragedbytherepetitionofmyfutileattempts,Ithrowupthegame,thericherhoweverbyonefactofsomevalue:theCalicurgus,withouttheleastfear,descendsintotheTarantula\'sdenanddislodgesher。Iimaginethatthingshappeninthesamefashionoutsidemycages。Whenexpelledfromherdwelling,theSpiderismoretimidandmorevulnerabletoattack。 Moreover,whilehamperedbyanarrowshaft,theoperatorwouldnotwieldherlancetwiththeprecisioncalledforbyherdesigns。Theboldirruptionshowsusonceagain,moreplainlythanthetusslesonmytable,theLycosa\'sreluctancetosinkherfangsintoherenemy\'sbody。Whenthetwoarefacetofaceatthebottomofthelair,thenorneveristhemomenttohaveitoutwiththefoe。TheTarantulaisinherownhouse,withallitsconveniences;everynookandcornerofthebastionisfamiliartoher。Theintruder\'smovementsarehamperedbyherignoranceofthepremises。Quick,mypoorLycosa,quick,abite;andit\'sallupwithyourpersecutor!Butyourefrain,Iknownotwhy,andyourreluctanceisthesavingoftherashinvader。ThesillySheepdoesnotreplytothebutcher\'sknifebychargingwithloweredhorns。CanitbethatyouarethePompilus\'Sheep? Mytwosubjectsarereinstalledinmystudyundertheirwire-gauzecovers,withbedofsand,reed-stumpburrowandfreshhoney,complete。HeretheyfindagaintheirfirstLycosae,feduponLocusts。Cohabitationcontinuesforthreeweekswithoutotherincidentsthanscufflesandthreatswhichbecomelessfrequentdaybyday。Noserioushostilityisdisplayedoneitherside。AtlasttheCalicurgidie:theirdayisover。Apitifulendaftersuchanenthusiasticbeginning。 ShallIabandontheproblem?Why,notabitofit!Ihaveencounteredgreaterdifficulties,buttheyhaveneverdeterredmefromawarmly- cherishedproject。Fortunefavoursthepersevering。Sheprovesasmuchbyofferingme,inSeptember,afortnightafterthedeathofmyTarantula- huntresses,anotherCalicurgus,capturedforthefirsttime。ThisistheHarlequinCalicurgus(C。scurra,LEP。),whosportsthesamegaudycostumeasthefirstandisalmostofthesamesize。 Nowwhatdoesthisnewcomer,ofwhomIknownothing,want?ASpider,thatiscertain;butwhich?Ahuntresslikethiswillneedacorpulentquarry: perhapstheSilkyEpeira(E。serica),perhapstheBandedEpeira(E。 fasciata),thelargestSpidersinthedistrict,nexttotheTarantula。Thefirstofthesespreadsherlargeuprightnet,inwhichLocustsarecaught,fromoneclumpofbrushwoodtoanother。Ifindherinthecopsesontheneighbouringhills。ThesecondstretcheshersacrosstheditchesandthelittlestreamsfrequentedbytheDragon-flies。IfindherneartheAygues,besidetheirrigation-canalsfedbythetorrent。AcoupleoftripsprocuresmethetwoEpeirae,whomIoffertomycaptivenextday,bothatthesametime。Itisforhertochooseaccordingtohertaste。 Thechoiceissoonmade:theBandedEpeiraistheonepreferred。Butshedoesnotyieldwithoutprotest。OntheapproachoftheWasp,sherisesandassumesadefensiveattitude,justlikethatoftheLycosa。TheCalicurguspaysnoattentiontothreats:underherharlequin\'scoat,sheisviolentinattackandquickonherlegs。Thereisarapidexchangeoffisticuffs;andtheEpeiraliesoverturnedonherback。ThePompilusisontopofher,bellytobelly,headtohead;withherlegsshemasterstheSpider\'slegs; withhermandiblesshegripsthecephalothorax。Shecurvesherabdomen,bringingthetipofitbeneathher;shedrawsherstingand…… Onemoment,reader,ifyouplease。Whereisthestingabouttostrike?Fromwhatwehavelearntfromtheotherparalysers,itwillbedrivenintothebreast,tosuppressthemovementofthelegs。Thatisyouropinion;itwasalsomine。Well,withoutblushingtoodeeplyatourcommonandveryexcusableerror,letusconfessthattheinsectknowsbetterthanwedo。ItknowshowtoassuresuccessbyapreparatorymanoeuvreofwhichyouandI hadneverdreamt。Ah,whataschoolisthatoftheanimals!Isitnottruethat,beforestrikingtheadversary,youshouldtakecarenottogetwoundedyourself?TheHarlequinPompilusdoesnotdisregardthiscounselofprudence。TheEpeiracarriesbeneathherthroattwosharpdaggers,withadropofpoisonattheirpoints;theCalicurgusislostiftheSpiderbitesher。Nevertheless,heranaesthetizingdemandsperfectsteadinessofthelancet。Whatistobedoneinthefaceofthisdangerwhichmightdisconcertthemostpractisedsurgeon?Thepatientmustfirstbedisarmedandthenoperatedon。 AndinfacttheCalicurgus\'sting,aimedfrombacktofront,isdrivenintotheEpeira\'smouth,withminuteprecautionsandmarkedpersistency。Ontheinstant,thepoison-fangscloselifelesslyandtheformidablequarryispowerlesstoharm。TheWasp\'sabdomenthenextendsitsarcanddrivestheneedlebehindthefourthpairoflegs,onthemedianline,almostatthejunctionofthebellyandthecephalothorax。Atthispointtheskinisfinerandmoreeasilypenetrablethanelsewhere。Theremainderofthethoracicsurfaceiscoveredwithatoughbreast-platewhichthestingwouldperhapsfailtoperforate。Thenerve-centres,thesourceoftheleg- movements,aresituatedalittleabovethewoundedpoint,buttheback-to- frontdirectionofthestingmakesitpossibletoreachthem。Thislastwoundresultsintheparalysisofalltheeightlegsatonce。 Toenlargeuponitfurtherwoulddetractfromtheeloquenceofthisperformance。Firstofall,tosafeguardtheoperator,astabinthemouth,thatpointsoterriblyarmed,themostformidableofall;then,tosafeguardthelarva,asecondstabinthenerve-centresofthethorax,tosuppressthepowerofmovement。IcertainlysuspectedthattheslayersofrobustSpiderswereendowedwithspecialtalents;butIwasfarfromexpectingtheirboldlogic,whichdisarmsbeforeitparalyses。SotheTarantula-huntressmustbehave,who,undermybell-glasses,refusedtosurrenderhersecret。Inowknowwhathermethodis;ithasbeendivulgedbyacolleague。ShethrowstheterribleLycosauponherback,pricksherprickersbystingingherinthemouthandthen,incomfort,withasinglethrustofthelancet,obtainsparalysisofthelegs。 IexaminetheEpeiraimmediatelyaftertheoperationandtheTarantulawhentheCalicurgusisdraggingherbyonelegtoherburrow,atthefootofsomewall。Foralittlewhilelonger,aminuteatmost,theEpeiraconvulsivelymovesherlegs。Solongasthesethroescontinue,thePompilusdoesnotreleaseherprey。Sheseemstowatchtheprogressoftheparalysis。WiththetipsofhermandiblessheexplorestheSpider\'smouthseveraltimesover,asthoughtoascertainifthepoison-fangsarereallyinnocuous。Whenallmovementsubsides,thePompilusmakesreadytodragherpreyelsewhere。ItisthenItakechargeofit。 Whatstrikesmemorethananythingelseistheabsoluteinertiaofthefangs,whichIticklewithastrawwithoutsucceedinginrousingthemfromtheirtorpor。Thepalpi,ontheotherhand,theirimmediateneighbours,waveattheleasttouch。TheEpeiraisplacedinsafety,inaflask,andundergoesafreshexaminationaweeklater。Irritabilityhasinpartreturned。Underthestimulusofastraw,Iseeherlegsmovealittle,especiallythelowerjoints,thetibiaeandtarsi。Thepalpiareevenmoreirritableandmobile。Thesedifferentmovements,however,arelackinginvigourandcoordination;andtheSpidercannotemploythemtoturnover,muchlesstoescape。Asforthepoison-fangs,Istimulatetheminvain:I cannotgetthemtoopenoreventostir。Theyarethereforeprofoundlyparalysedandinaspecialmanner。Thepeculiarinsistenceofthestingwhenthemouthwasstabbedtoldmeasmuchinthebeginning。 AttheendofSeptember,almostamonthaftertheoperation,theEpeiraisinthesamecondition,neitherdeadnoralive:thepalpistillquiverwhentouchedwithastraw,butnothingelsemoves。Atlength,aftersixorsevenweeks\'lethargy,realdeathsupervenes,togetherwithitscomrade,putrefaction。 TheTarantulaoftheRingedCalicurgus,asItakeherfromtheowneratthemomentoftransportation,presentsthesamepeculiarities。Thepoison-fangsarenolongerirritablewhentickledwithmystraw:afreshproof,addedtothoseofanalogy,toshowthattheLycosa,liketheEpeira,hasbeenstunginthemouth。Thepalpi,ontheotherhand,areandwillbeforweekshighlyirritableandmobile。Iwishtoemphasisethispoint,theimportanceofwhichwillberecognizedpresently。 IfounditimpossibletoprovokeasecondattackfrommyHarlequinCalicurgus:thetediumofcaptivitydidnotfavourtheexerciseofhertalents。Moreover,theEpeirasometimeshadsomethingtodowithherrefusals;acertainrusedeguerrewhichwastwiceemployedbeforemyeyesmaywellhavebaffledtheaggressor。Letmedescribetheincident,ifonlytoincreaseourrespectalittleforthesefoolishSpiders,whoareprovidedwithperfectedweaponsanddonotdaretomakeuseofthemagainsttheweakerbutbolderassailant。 TheEpeiraoccupiesthewallofthewire-gauzecage,withhereightlegswide-spreaduponthetrelliswork;theCalicurgusiswheelingroundthetopofthedome。Seizedwithpanicatthesightoftheapproachingenemy,theSpiderdropstotheground,withherbellyupwardsandherlegsgatheredtogether。Theotherdashesforward,claspsherroundthebody,exploresherandpreparestostingherinthemouth。Butshedoesnotbareherweapon。I seeherbendingattentivelyoverthepoisonedfangs,asthoughtoinvestigatetheirterriblemechanism;shethengoesaway。TheSpiderisstillmotionless,somuchsothatIreallybelieveherdead,paralysedunknowntome,atamomentwhenIwasnotlooking。Itakeherfromthecagetoexaminehercomfortably。Nosoonerissheplacedonthetablethanbehold,shecomestolifeagainandpromptlyscampersoff!ThecunningcreaturewasshammingdeathbeneaththeWasp\'sstiletto,soartfullythatI wastakenin。Shedeceivedanenemymorecunningthanmyself,thePompilus,whoinspectedherverycloselyandtookherforacorpseunworthyofherdagger。Perhapsthesimplecreature,liketheBearinthefableofold,alreadynoticedthesmellofhighmeat。 Thisruse,ifruseitbe,appearstomemoreoftenthannottoturntothedisadvantageoftheSpider,whetherTarantula,Epeiraoranother。TheCalicurguswhohasjustputtheSpideronherbackafterabriskfightknowsquitewellthatherprostratefoeisnotdead。Thelatter,thinkingtoprotectitself,simulatestheinertiaofacorpse;theassailantprofitsbythistodeliverhermostperilousblow,thestabinthemouth。Werethefangs,eachtippedwithitsdropofpoison,toopenthen;weretheytosnap,togiveadesperatebite,thePompiluswouldnotdaretoexposethetipofherabdomentotheirdeadlyscratch。Theshammingofdeathisexactlywhatenablesthehuntresstosucceedinherdangerousoperation。 Theysay,OguilelessEpeirae,thatthestruggleforlifehastaughtyoutoadoptthisinertattitudeforpurposesofdefence。Well,thestruggleforlifewasaverybadcounsellor。Trustrathertocommonsenseandlearn,bydegrees,atyourowncost,thattohitback,aboveallifyoucandosopromptly,isstillthebestwaytointimidatetheenemy。(Fabredoesnotbelieveintheactualshammingofdeathbyanimals。Cf。“TheGlow-wormandOtherBeetles,“byJ。HenriFabre,translatedbyAlexanderTeixeiradeMattos:chapters8to15——Translator\'sNote。) Theremainderofmyobservationsontheseinsectsunderglassislittlemorethanalongseriesoffailures。OftwooperatorsonWeevils,one,theSandyCerceris(C。arenaria),persistentlyscornedthevictimsoffered;theother,Ferrero\'sCerceris(C。Ferreri),allowedherselftobeemptedaftertwodays\'captivity。Hertacticalmethod,asIexpected,ispreciselythatoftheCleonus-huntress,theGreatCerceris,withwhommyinvestigationscommenced。WhenconfrontedwiththeAcorn-weevil,sheseizestheinsectbythesnout,whichisimmenselylongandshapedlikeapipe-stem,andplantsherstinginitsbodytotherearoftheprothorax,betweenthefirstandsecondpairoflegs。Itisneedlesstoinsist:thespoileroftheCleonihastaughtusenoughaboutthismodeofoperationanditsresults。 NoneoftheBembex-wasps,whetherchosenamongthehuntressesoftheGadflyoramongtheloversoftheHouse-flyrabble,satisfiedmyaspirations。 TheirmethodisasunknowntomenowasatthedistantperiodwhenIusedtowatchitintheBoisdesIssards。(Cf。“TheHuntingWasps“:chapters14 to18——Translator\'sNote。)Theirimpetuousflight,theirloveoflongjourneysareincompatiblewithcaptivity。Stunnedbycollidingwiththewallsoftheirglassorwire-gauzeprison,theyallperishwithintwenty- fourhours。Swifterintheirmovementsandapparentlysatisfiedwiththeirhoneyedthistle-heads,theSpheges,huntressesofCricketsorEphippigers,dieasquicklyofnostalgia。AllIofferthemleavesthemindifferent。 NorcanIgetanythingoutoftheEumenes,notablythebiggestofthem,thebuilderofgravelcupolas,Amedeus\'Eumenes。AllthePompili,excepttheHarlequinCalicurgus,refusemySpiders。ThePalarus,whopreysuponanindefinitenumberoftheHymenopteronclan,refusestotellmeifshedrinksthehoneyoftheBees,asdoesthePhilanthus,orifsheletstheothersgowithoutmanipulatingthemtomakethemdisgorge。TheTachytesdonotvouchsafetheirLocustsaglance;Stizusruficornispromptlygivesuptheghost,disdainingthePrayingMantiswhichIprovideforher。 Whatistheuseofcontinuingthislistofchecks?Therulemaybegatheredfromthesefewexamples:occasionalsuccessesandmanyfailures。Whatcanbethereason?WiththeexceptionofthePhilanthus,temptedfromtimetotimebyabumperofhoney,thepredatoryWaspsdonothuntontheirownaccount;theyhavetheirvictualling-time,whentheegg-layingisimminent,whenthefamilycallsforfood。Outsidetheseperiods,thefinestheadsofgamemightwellleavethesenectar-bibbersindifferent。Iamcarefultherefore,asfaraspossible,tocapturemysubjectsattheproperseason; Igivepreferencetomotherscaughtuponthethresholdoftheburrowwiththeirpreybetweentheirlegs。Thisdiligenceofminebynomeansalwayssucceeds。Therearedemoralizedinsectswhich,onceunderglass,evenafterabriefdelay,nolongercareabouttheequivalentoftheirprize。 Allthespeciesdonotperhapspursuetheirgamewiththesameardour;moodandtemperamentaremorevariableeventhanconformation。Tothesefactors,whichareofthenicestorder,wemayaddthatofthehour,whichisoftenunfavourablewhenthesubjectiscaughtathaphazardontheflowers,andweshallhavemorethanenoughtoexplainthefrequencyofthefailures。Afterall,Imustbewareofrepresentingmyfailuresastherule:whatdoesnotsucceedonedaymayverywellsucceedanotherday,underdifferentconditions。Withperseveranceandalittleskill,anyonewhocarestocontinuetheseinterestingstudieswill,Iamsure,fillupmanygaps。Theproblemisdifficultbutnotimpossible。 Iwillnotquitmybell-jarswithoutsayingawordontheentomologicaltactofthecaptiveswhentheydecidetoattack。Oneofthepluckiestofmysubjects,theHairyAmmophila,wasnotalwaysprovidedwiththehereditarydishofherfamily,theGreyWorm。Iofferedherindiscriminatelyanybare- skinnedcaterpillarsthatIchancedtofind。Somewereyellow,somegreen,somebrownwithwhiteedges。Allwereacceptedwithouthesitation,providedthattheywereofsuitablesize。Tastygamewasrecognizedwonderfullyunderverydissimilarliveries。ButayoungZeuzera-caterpillar,dugoutofthebranchesofalilac-tree,andasilkwormofsmalldimensionsweredefinitelyrefused。Theover-fedproductsofoursilkworm-nurseriesandthemystery-lovingcaterpillarwhichgnawstheinnerwoodofthelilacinspiredherwithsuspicionanddisgust,despitetheirbareskin,whichfavouredthesting,andtheirshape,whichwassimilartothatofthevictimsaccepted。 Anotherardenthuntress,theInterruptedScolia,refusedtheCetonia-grub,whichisoflikehabitswiththeAnoxia-larva;theTwo-bandedScoliaalsorefusedtheAnoxia。ThePhilanthus,theheadlongmurderessofBees,sawthroughmytrickerywhenIconfrontedherwiththeVirgilianBee,theEristalis(E。tenax)。She,aPhilanthus,takethisFlyforaBee!Whatnext!Thepopularideaismistaken;antiquitytooismistaken,aswitnessthe“Georgics,“whichmaketheputridremainsofasacrificedBullgivebirthtoaswarm;buttheWaspmakesnomistake。Inhereyes,whichseefartherthanours,theEristalisisanodiousDipteron,aloverofcorruption,andnothingmore。 CHAPTER14。OBJECTIONSANDREJOINDERS。 Noideaofanyscopecanbeginitssoaringflightbutstraightwaythecurmudgeonsareafterit,eagertobreakitswingsandtostampthewoundedthingunderfoot。MydiscoveryofthesurgicalmethodsthatgivetheHuntingWaspstheirpreservedfoodstuffshasundergonethecommonrule。Lettheoriesbediscussed,byallmeans:therealmoftheimaginationisanuntilleddomain,inwhicheveryoneisfreetoplanthisownconceptions。 Butrealitiesarenotopentodiscussion。Itisabadpolicytodenyfactswithnomoreauthoritythanone\'swishtofindthemuntrue。NoonethatI knowofhasimpugnedbycontraryobservationswhatIhavesolongbeensayingabouttheanatomicalinstinctoftheWaspsthathunttheirprey; instead,Iammetwitharguments。Mercyonus!Firstuseyoureyesandthenyoushallhaveleavetoargue!And,topersuadepeopletousetheireyes,I meantoreply,sincewehavetimetospare,totheobjectionswhichhavebeenormayberaised。Ofcourse,Ipassoverinsilencethoseinwhichchildishdisparagementshowsitsnosetooplainly。 Thesting,Iamtold,isdirectedatonepointratherthananotherbecausethatistheonlyvulnerablepoint。Theinsectcannotchoosewhatwounditwillinflict;itstingswhereitmust。Itswonderfuloperativemethodisthenecessaryresultofthevictim\'sstructure。Letusfirst,ifweattachanyimportancetolucidity,cometoanunderstandingabouttheword“vulnerable。“Doyoumeanbythisthatthepointorratherpointswoundedbythestingaretheonlypointsatwhichalesionwillsuddenlycauseeitherdeathorparalysis?Ifso,Ishareyouropinion;notonlydoIshareit,butIwasthefirsttoproclaimit。Mywholethesisiscontainedinthat。Yes,ahundredtimesyes,thepointswoundedaretheonlyvulnerablepoints;theyareevenveryvulnerable;theyaretheonlypointswhichlendthemselvestotheinflictionofsuddendeathorelseparalysis,accordingtotheoperator\'sintention。 Butthisisnothowyouunderstandthematter:youmeanaccessibletothesting,inaword,penetrable。Herewepartcompany。Ihaveagainstme,I admit,theWeevilsandtheBuprestesoftheCerceres。Thesemailedoneshardlygivethestingachance,savebehindtheprothorax,thepointatwhichthelancetisactuallydirected。IfIwereonetostandontrifles,I mightobservethatinfrontoftheprothorax,underthethroat,isanaccessiblespotandthattheCercereswillhavenothingtodowithit。Butletusproceed;Igiveupthehorn-cladBeetle。 WhatarewetosayoftheGreyWormandothercaterpillarsbelovedoftheAmmophilae?Herearevictimsaccessibletothestingunderneath,ontheback,onthesides,foreandaft,everywherewiththesamefacility,exceptingthetopofthehead。Andofthisinfinityofpoints,whichareequallypenetrable,theWaspselectsten,alwaysthesame,differinginnowayfromtherest,unlessitbebythecloseproximityofthenerve- centres。WhatarewetosayoftheCetonia-andAnoxia-larvae,whicharealwaysattackedinthefirstthoracicsegment,afterlongandpainfulstruggles,whentheassailantcanstingthegrubfreelyatwhateverpointshechooses,sinceitisquitenakedandoffersnogreaterresistancetothelancetatonepointthanatanother? WhatarewetothinkoftheSphex\'CricketsandEphippigers,stabbedthreetimesonthesideofthethorax,whichisfairlywelldefended,whereastheabdomen,softandbulky,intowhichthestingwouldsinklikeaneedleintoapatofbutter,isneglected?DonotletusforgetthePhilanthus,whotakesnoaccounteitherofthefissuresbeneaththeabdominalplatesorofthewidehiatusbehindthecorselet,butplungesherweapon,atthebaseofthethroat,throughagapofafractionofamillimetre。LetusjustmentiontheMantis-huntingTachytes。Doesshemakeforthemostundefendedpointwhenshestabs,firstofall,atitsbase,theMantis\'dreadfulengine——thearm-pieceseachfittedwithadoublesaw——attheriskofbeingseized,transfixedandcrunchedonthespotifshemissesherblow?Whydoesshenotstrikeatthecreature\'slongabdomen?Thatwouldbequiteeasyandfreefromdanger。 AndtheCalicurgi,ifyouplease。Aretheyalsounskilledduelists,plungingthedirkintotheonlyeasilyaccessiblepoint,whentheirveryfirstmoveistoparalysethepoison-fangs?IfthereisonepointabouttheTarantulaandtheEpeirathatisdangerousanddifficulttoattack,itiscertainlythemouthwhichbiteswithitstwopoisonedharpoons。Andthesedesperadoesdaretobravethatdeadlytrap!Whydotheynotfollowyourjudiciousadvice?Theyshouldstingtheplumpbelly,whichiswhollyunprotected。Theydonot;andtheyhavetheirreasons,ashavetheothers。 All,fromthefirsttothelast,showus,clearaswaterfromtherock,thattheouterstructureofthevictimsoperatedoncountsfornothinginthemethodofoperating。Thisisdeterminedbytheinneranatomy。Thepointswoundedarenotstungbecausetheyaretheonlypointspenetrablebythelancet;theyarestungbecausetheyfulfilanimportantcondition,withoutwhichpenetrabilitylosesitsvalue。Thisconditionisnoneotherthantheimmediateproximityofthenerve-centreswhoseinfluencehastobesuppressed。Whenatclosequarterswithherprey,whethersoftorarmour- clad,thehuntressbehavesasifsheunderstoodthenervoussystembetterthananyofus。Thethoughtlessobjectionabouttheonlypenetrablepointsis,Ihope,sweptasideforever。 Iamalsotold: “Itispossible,ifitcomestothat,forthestingtobedeliveredintheneighbourhoodofthenerve-centres;inavictimatmostthreeorfourcentimetreslong,distancesareverysmall。Butacasualthereorthereaboutsisaverydifferentthingfromtheprecisionofwhichyouspeak。“ Oh,theyare“thereabouts,“arethey?Weshallsee!Youwantfigures,millimetres,fractions?Youshallhavethem! FirstIcalltowitnesstheInterruptedScolia。Ifthereadernolongerhashermethodofoperatinginmind,Iwillbeghimtorefreshhismemory。Thetwoadversaries,inthepreliminaryconflict,maybefairlywellrepresentedbytworingsinterlockednotinthesameplanebutatrightangles。TheScoliagripsapointoftheAnoxia-grub\'sthorax;shecurvesherbodyunderneathitand,whileencirclingthegrub,gropeswiththetipofherabdomenalongthemedianlineofthelarva\'sneck。Owingtohertransversalposition,theassailantisnowfreetoaimherweaponinaslightlyslantingdirection,whethertowardstheheadortowardsthethorax,atthesamepointofentryinthelarva\'sthroat。Betweenthetwooppositeslantsofthesting,whichisitselfveryshort,whatcanthedistancebe?Twomillimetres(。078inch——Translator\'sNote。),perhapsless。Thatisverylittle。Nomatter:lettheoperatormakeamistakeofthislength——negligible,youmaytellme——letthestingslanttowardstheheadinsteadofslantingtowardsthethorax;andtheresultoftheoperationwillbeentirelydifferent。Withaslanttowardsthehead,thecerebralgangliaarewoundedandtheirlesioncausessuddendeath。ThisisthestrokeofthePhilanthus,whokillsherBeebystingingherfrombelow,underthechin。TheScolianeededamotionlessbutnotdeadvictim,onethatwouldsupplyfreshvictuals;shewillnowhaveonlyacorpse,whichwillsoongobadandpoisonthelarva。 Withaslanttowardsthethorax,thestingwoundsthelittlemassofnerve- cellsinthethorax。Thisistheregulationstroke,theonewhichwillinduceparalysisandleavethesmallamountoflifeneededtokeeptheprovisionsfresh。Amillimetrehigherkills;amillimetrelowerparalyses。 OnthistinydeviationthesalvationoftheScoliaracedepends。Youneednotfearthattheoperatorwillmakeanymistakeinthismicrometricalperformance:herstingalwaysslantstowardsthethorax,althoughtheoppositeinclinationisjustaspracticableandeasy。Whatwouldbetheoutcomeofathereorthereaboutsundertheseconditions?Veryoftenacorpse,aformoffoodfataltothegrub。 TheTwo-bandedScoliastingsalittlelowerdown,onthelineofdemarcationbetweenthefirsttwothoracicsegments。HerpositionislikewisetransversalinrelationtotheCetonia-grub;butthedistanceofthecervicalgangliafromthepointwherethestingenterswouldpossiblynotallowtheweaponturnedtowardstheheadtoinflictalesionfollowedbysuddendeathasintheaboveinstance。Iamcallingthiswitnesswithanotherobject。Itisextremelyunusualfortheoperator,nomatterwhatherpreyorhermethod,tomakeaslightmistakeandstingmerelysomewhereneartherequisitepoint。Iseethemallgropingwiththetipoftheabdomen,sometimesseekingpersistently,beforeunsheathing。Theythrustonlywhenthepointbeneaththestingispreciselythatatwhichthewoundwillproduceitsfulleffect。TheTwo-bandedScoliainparticularwillstrugglewiththeCetonia-grubforhalfanhouratatimetoenableherselftodriveinthestilettoattherightspot。 Weariedbyanendlessscuffle,oneofmycaptivescommittedbeforemyeyesaslightblunder,anunprecedentedthing。Herweaponenteredalittletooneside,notquiteamillimetrefromthecentralpointandstill,ofcourse,onthelineofdemarcationbetweenthefirsttwothoracicsegments。 Iatoncelaidholdofthepreciousspecimen,whichwastoteachmecuriousmattersabouttheeffectsofanill-deliveredstroke。IfImyselfhadmadetheinsectstingatthisorthatpoint,therewouldhavebeennoparticularinterestinit:theScolia,heldbetweenthefinger-tips,wouldwoundatrandom,likeaBeedefendingherself;herundirectedstingwouldinjectthepoisonathaphazard。Buthereeverythinghappenedbyrule,exceptforthelittleerrorofposition。 Well,thevictimofthisclumsyoperationhasitslegsparalysedonlyontheleftside,thesidetowardswhichtheweaponwasdeflected;itisacaseofhemiplegia。Thelegsontherightsidemove。Iftheoperationhadbeenperformedinthenormalfashiontheresultwouldhavebeensuddeninertiaofallsixlegs。Thehemiplegia,itistruedoesnotlastlong。Thetorporofthelefthalfrapidlygainstherighthalfofthebodyandthecreatureliesmotionless,incapableofburyingitselfinthemould,without,however,realizingtheconditionsindispensabletothesafetyoftheeggortheyounggrub。IfIseizeoneofitslegsorapointoftheskinwiththetweezers,itsuddenlyshrivelsandcurlsupandswellsoutagain,asitdoeswhenincompletepossessionofitsenergies。Whatwouldbecomeofanegglaidonsuchvictuals?Atthefirstclosingofthisruthlessvice,atthefirstcontraction,itwouldbecrushed,oratleastdetachedfromitsplace;andanyeggremovedfromthepointwherethemotherhasfasteneditisboundtoperish。Itneeds,ontheCetonia\'sabdomen,ayieldingsupportwhichthebitesofthenew-bornlarvawillnotsetaquiver。Theslightlyeccentricstinggivesnoneofthissoftmassoffat,alwaysoutstretchedandquiescent。Onlyonthefollowingday,afterthetorporhasmadeprogress,doesthelarvabecomesuitablyinertandlimp。Butitistoolate;andinthemeantimetheeggwouldbeinseriousdangeronthishalf-paralysedvictim。Thesting,bystrayinglessthanamillimetre,wouldleavetheScoliawithoutprogeny。 Ipromisedfractions。Heretheyare。LetusconsidertheTarantulaandtheEpeiraonwhomtheCalicurgihavejustoperated。Thefirstthrustofthestingisdeliveredinthemouth。Inbothvictimsthepoison-fangsareabsolutelylifeless:ticklingwithabitofstrawneveroncesucceedsinmakingthemopen。Ontheotherhand,thepalpi,theirverynearneighbours,theiradjunctsasitwere,possesstheircustomarymobility。Withoutanyprevioustouches,theykeeponmovingforweeks。Inenteringthemouththestingdidnotreachthecervicalganglia,orsuddendeathwouldhaveensuedandweshouldhavebeforeoureyescorpseswhichwouldgobadinafewdays,insteadoffreshcarcasesinwhichtracesofliferemainmanifestforalongtime。Thecephalicnerve-centreshavebeenspared。 Whatiswoundedthen,toprocurethisprofoundinertiaofthepoison-fangs? Iregretthatmyanatomicalknowledgeleavesmeundecidedonthispoint。 Arethefangsactuatedbyaspecialganglion?Aretheyactuatedbyfibresissuingfromcentresexercisingfurtherfunctions?IleavetoanatomistsequippedwithmoredelicateinstrumentsthanIthetaskofelucidatingthisobscurequestion。Thesecondconjectureappearstomethemoreprobable,becauseofthepalpi,whosenerves,itseemstome,musthavethesameoriginasthoseofthefangs。Basingourargumentonthislatterhypothesis,weseethattheCalicurgushasonlyonemeansofsuppressingthemovementofthepoisonedpincerswithoutaffectingthemobilityofthepalpi,aboveallwithoutinjuringthecephaliccentresandthusproducingdeath,namely,toreachwithherstingthetwofibresactuatingthefangs,fibresasfineasahair。 Iinsistuponthispoint。Despitetheirextremedelicacy,thesetwofilamentsmustbeinjureddirectly;for,ifitwereenoughforthestingtoinjectitspoison“thereorthereabouts,“thenervesofthepalpi,soclosetothefirst,wouldundergothesameintoxicationastheadjacentregionandwouldleavethoseappendagesmotionless。Thepalpimove;theyretaintheirmobilityforaconsiderableperiod;theactionofthepoison,therefore,isevidentlysituatedinthenervesofthefangs。Therearetwoofthesenerve-filaments,veryfine,verydifficulttodiscover,evenbytheprofessionalanatomist。TheCalicurgushastoreachthemoneaftertheother,tomoistenthemwithherpoison,possiblytotransfixthem,inanycasetooperateupontheminaveryrestrictedmanner;sothatthediffusionofthevirusmaynotinvolvetheadjoiningparts。Theextremedelicacyofthissurgeryexplainswhytheweaponremainsinthemouthsolong;thepointofthestingisseekingandeventuallyfindsthetinyfractionofamillimetrewherethepoisonistoact。Thisiswhatwelearnfromthemovementsofthepalpiclosetothemotionlessfangs;theytellusthattheCalicurgiarevivisectorsofalarmingaccuracy。 Ifweacceptthehypothesisofaspecialnerve-centreforthemandibles,thedifficultywouldbealittleless,withoutdetractingfromtheoperator\'stalent。Thestingwouldthenhavetoreachabarelyvisiblespeck,anatominwhichweshouldhardlyfindroomforthepointofaneedle。Thisisthedifficultywhichthevariousparalyserssolveinordinarypractice。Dotheyactuallywoundwiththeirdirkstheganglionwhoseinfluenceistobedoneawaywith?Itispossible,butIhavetriednotesttomakesure,theinfinitelytinywoundappearingtobetoodifficulttodetectwiththeopticalinstrumentsatmydisposal。Dotheyconfinethemselvestolodgingtheirdropofpoisonontheganglion,oratalleventsinitsimmediateneighbourhood?Idonotsayno。 Ideclaremoreover,that,toprovokelightningparalysis,thepoison,ifitisnotdepositedinsidethemassofnervoussubstance,mustactfromsomewhereverynear。ThisassertionismerelyechoingwhattheTwo-bandedScoliahasjustshownus:herCetonia-grub,stunglessthanamillimetrefromtheregularspot,didnotbecomemotionlessuntilnextday。Thereisnodoubt,judgingbythisinstance,thattheeffectofthevirusspreadsinalldirectionswithinaradiusofsomeextent;butthisdiffusionisnotenoughfortheoperator,whorequiresforheregg,whichissoontobelaid,absolutesafetyfromtheveryfirst。 Ontheotherhand,theactionsoftheparalysersargueaprecisesearchfortheganglia,atalleventsforthefirstthoracicganglion,themostimportantofall。TheHairyAmmophila,amongothers,affordsusanexcellentexampleofthismethod。Herthreethrustsinthecaterpillar\'sthoraxandespeciallythelast,betweenthefirstandsecondpairoflegs,aremoreprolongedthanthestabsdistributedamongtheabdominalganglia。 Everythingjustifiesusinbelievingthat,forthesedecisiveinoculations,thestingseeksoutthecorrespondingganglionandactsonlywhenitfindsitunderitspoint。Ontheabdomenthispeculiarinsistenceceases;thestingpassesswiftlyfromonesegmenttoanother。Forthesesegments,whicharelessdangerous,theAmmophilaperhapsreliesonthediffusionofhervenom;inanycase,theinjections,thoughhastilyadministered,donotdivergefromaclosevicinityoftheganglia,fortheirfieldofactionisverylimited,asisprovedbythenumberofinoculationsnecessarytoinducecompletetorpor,or,moresimply,bythefollowingexample。 AGreyWormwhichhadjustreceiveditsfirststingonthethirdthoracicsegmentrepulsestheAmmophilaandwithajerkhurlshertoadistance。I profitbytheoccasionandtakeholdofthegrub。Thelegsofthisthirdsegmentonlyareparalysed;theothersretaintheirusualmobility。Howeverhelplessinthetwoinjuredlegs,theanimalcanwalkverywell;itburiesitselfintheearth,returningtothesurfaceatnighttognawthestumpoflettucewithwhichIhaveservedit。Forafortnightmyparalyticretainsperfectlibertyofaction,exceptinthesegmentoperatedon;thenitdies,notofitswoundbutaccidentally。Allthistimetheeffectofthepoisonhasnotspreadbeyondtheinoculatedsegment。 Atanypointwherethestingenters,anatomyinformsusofthepresenceofanervousnucleus。Isthiscentredirectlysmittenbytheweapon?Orisitpoisonedwithvirus,fromaverysmalldistance,bytheprogressiveimpregnationoftheneighbouringtissues?Thisisthedoubtfulpoint,thoughitdoesnotinanywayinvalidatetheprecisionoftheabdominalinjections,whicharecomparativelyneglected。Asforthoseinthecaterpillar\'sthorax,theirprecisionisbeyonddispute。AftertheAmmophilae,theScoliaeand,aboveall,theCalicurgi,isitreallynecessarytobringintocourtyetotherwitnesses,whowouldallswearthat,withmodificationsofdetail,themovementoftheirlancetisstrictlyregulatedbythenervoussystemoftheprey?Thisoughttobeenough。Theproofisestablishedforthosewhohaveearstohearwith。 Othersdelightinobjectionswhoseodditysurprisesme。TheyseeinthepoisonoftheHuntingWaspsanantisepticliquidandinvictualsstoredintheirburrowspreservedmeatswhicharekeptfreshnotbyaremnantoflifebutbythevirusanditsmicrobes。Come,mylearnedmasters,letusjusttalkthematterover,betweenourselves。HaveyoueverseenthelarderofaskilledHuntingWasp,aSphexforinstance,aScolia,anAmmophila?Youhaven\'t,haveyou?Ithoughtasmuch。Yetitwouldbebettertobeginbydoingso,beforebringingthepreservativemicrobeonthescene。Theslightestexaminationwouldhaveshownyouthatthevictualscannotbecomparedexactlywithsmokedhams。Thethingmoves,thereforeitisnotdead。Thereyouhavethewholematter,initsartlesssimplicity。Thepalpimove,themandiblesopenandshut,thetarsiquiver,theantennaeandtheabdominalfilamentswavetoandfro,theabdomenthrobs,theintestinerejectsitscontents,theanimalreactstothestimulusofaneedle,allofwhichsignsarehardlycompatiblewiththeideaofpickledmeat。 HaveyouhadthecuriositytolookthroughthepagesinwhichIsetforththedetailedresultsofmyobservations?Youhaven\'t,haveyou?Again,I thoughtasmuch。Itisapity。Youwouldtherefind,inparticular,thehistoryofcertainEphippigerswho,afterbeingstungbytheSphexaccordingtorule,wererearedbymyselfbyhand。Youmustagreethatthesearequeerpreservestobeproducedbytheuseofanantisepticfluid。TheyacceptthemouthfulswhichIofferthemonthetipofastraw;theyfeed,theysitupandtakenourishment。Ishallneverlivetoseetinnedsardinesdoingasmuch。 Iwillavoidtediousrepetitionandcontentmyselfwithaddingtomyoldsheafofproofsafewfactswhichhavenotyetbeenrelated。TheNest- buildingOdynerusshowedusinhercellsafewChrysomela-larvaefixedbythehinderparttothesideofthereed。Thegrubfastensitselfinthiswaytothepoplar-leaftoobtainapurchasewhenthemomenthascomeforleavingthelarvalslough。Donotthesepreparationsforthenymphosistellusplainlythatthecreatureisnotdead? TheHairyAmmophilaaffordsusanevenbetterexample。Anumberofcaterpillarsoperatedonbeforemyeyesattained,somesooner,somelater,thechrysalisstage。Mynotesareexplicitonthesubjectofsomeofthem,takenonVerbascumsinuatum。Sacrificedonthe14thofApril,theywerestillirritablewhentickledwithastrawafortnightafter。Alittlelater,thepale-greencolouringoftheearlystagesisreplacedbyareddishbrown,exceptontwoorthreesegmentsofthemedianventralsurface。Theskinwrinklesandsplits,butdoesnotcomedetachedofitsownaccord。Icaneasilyremoveitinshreds。Underthissloughappearsthefirm,chestnut-brownhornintegumentofthechrysalis。ThedevelopmentofthenymphosisissocorrectthatforamomentthecrazyhopeoccurstomethatImayseeaTurnip-mothcomeoutofthismummy,thevictimofadozendagger-thrusts。Fortherest,thereisnoattemptatspinningacocoon,nojetofsilkythreadsflungoutbythecaterpillarbeforeturningintoachrysalis。Perhapsundernormalconditionsmetamorphosistakesplacewithoutthisprotection。However,themothwhomIexpectedtoseewasbeyondthelimitsofthepossible。InthemiddleofMay,amonthaftertheoperationonthecaterpillars,mythreechrysalids,stillincompleteunderneath,inthethreeorfourmiddlesegments,witheredandatlastwentmouldy。Istheevidenceconclusivethistime?Whocanconceivesuchasillyideaasthatapreyreallydead,acorpsepreservedfromputrefactionbyanantiseptic,couldcontainwhatisperhapsthemostdelicateworkoflife,thedevelopmentofthegrubintotheperfectinsect? Thetruthmustbedrivenintorecalcitrantbrainswithgreatblowsofthesledge-hammer。Letusoncemoreemploythismethod。InSeptemberIunearthfromaheapofmouldfiveCetonia-grubs,paralysedbytheTwo-bandedScoliaandbearingontheabdomentheasyetunhatchedeggoftheWasp。Iremovetheeggsandinstallthehelplesscreaturesonabedofleaf-mouldwithaglasscover。IproposetoseehowlongIcankeepthemfresh,abletomovetheirmandiblesandpalpi。AlreadythevictimsofvariousHuntingWaspshadinstructedmeonasimilarmatter;Iknewthattracesoflifelingerfortwo,three,fourweeksandlonger。Forinstance,IhadseentheEphippigersoftheLanguedocianSphexcontinuethewavingoftheirantennaeandtheirparalyticshuddersforfortydaysofartificialfeedingbyhand;andIusedtowonderwhetherthemoreorlessearlydeathoftheothervictimswasnotduetolackofnourishmentquiteasmuchastotheoperationwhichtheyhadundergone。However,theinsectinitsadultformusuallyhasaverybriefexistence。Itsoondies,killedbythemerefactofliving,withoutanyotheraccident。Alarvaispreferablefortheseinvestigations。Itsconstitutionislivelier,betterabletosupportprotractedabstinence,aboveallduringthewintertorpor。TheCetonia-grub,aregularlumpofbacon,nourishedbyitsownfatduringthewinterseason,fulfilstheneedfulconditionstoperfection。Whatwillbecomeofit,lyingbellyupwardsonitsbedofleaf-mould?Willitsurvivethewinter? Attheendofamonth,threeofmygrubsturnbrownandlapseintorottenness。Theothertwokeepperfectlyfreshandmovetheirantennaeandpalpiatthetouchofastraw。Thecoldweathercomesandticklingnolongerelicitsthesesignsoflife。Theinertiaiscomplete;neverthelesstheirappearanceremainsexcellent,withoutatraceofthebrownishtinge,thesignofdeterioration。Atthereturnofthewarmweather,inthemiddleofMay,thereisasortofresurrection。Ifindmytwolarvaeturnedover,bellydownwards;muchmore:theyarehalf-buriedinthemould。Whenteased,theycoiluplazily;theymovetheirlegsaswellastheirmouth-parts,butslowlyandwithoutvigour。Thentheirstrengthseemstorevive。Theconvalescent,resuscitatedgrubsdigwithclumsyeffortsintotheirbedofmould;theydiveintoitanddisappeartoadepthofabouttwoinches。 Recoveryseemstobeimminent。 Iammistaken。InJuneIunearththeinvalids。Thistime,thelarvaearedead;theirbrowncolourtellsmeasmuch。Iexpectedbetterthings。Nevermind:thisisnotriflingsuccess。Forninemonths,ninelongmonths,thegrubsstabbedbytheScoliakeptfreshandalive。Towardstheend,torporwasdispelled,strengthandmovementreturned,sufficientlytoenablethemtoleavethesurfacewhereIhadplacedthemandtoregainthedepthsbyboringapassagethroughthesoil。Ireallythinkthatafterthisresurrectiontherewillbenomoretalkofantiseptics,unlessanduntiltinnedHerringsbegintofrolicintheirbrine。(Thesubjectofthisandtheprecedingchaptersiscontinuedinanessayentitled“ThePoisonoftheBee“forwhichcf。“Bramble-beesandOthers“:chapter11——Translator\'sNote。) INDEX。 Acorn-weevil。 Amedeus\'Eumenes。 Amelesdecolor(seeGreyMantis)。 Ammophila(seealsothevarietiesbelow)。 Ammophilahursuta(seeHairyAmmophila)。 Ammophilaholoserica(seeSilkyAmmophila)。 AmmophilaJulii(seeJules\'Ammophila)。 Ammophilasabulosa(seeSandyAmmophila)。 AnathemaTachytes。 Anoxia(seealsothevarietiesbelow)。 Anoxiaaustralis。 Anoxiamatutinalis(seeMorningAnoxia)。 Anoxiavillosa(seeShaggyAnoxia)。 Ant。 Anthidium(seealsothevarietiesbelow)。 Anthidiumbellicosum。 Anthidiumscapulare。 Anthidiumseptemdentatum。 Anthophora。 Anthrax(seealsoAnthraxsinuata)。 Anthraxsinuata。 Ape。 Aphis(seePlant-louse)。 Ass。 Astata。 Balaninus(seealsoBalaninusglandum)。 Balaninusglandum(seeAcorn-weevil)。 BandedEpeira。 Bat。 Bee(seealsoBumble-bee,Hive-bee,Mason-bee)。 Bee-eatingPhilanthus。 Beetle。 Bembex(seealsothevarietiesbelow)。 Bembexbidentata(seeTwo-prongedBembex)。 Bembexrostrata(seeRostrateBembex)。 Black,AdamandCharles。 Black-belliedTarantula。 BlackSpider(seeCellarSpider)。 BlackTachytes。 Blister-beetle(seeOil-beetle)。 Bluebottle。 BlueOsmia。 Bombylius。 Boyle,Robert。 Brachycera。 Brachyderespubescens(seePubescentBrachyderes)。 Breguet,Louis。 Brillat-Savarin,Anthelme。 Brown-wingedSolenius。 Bug。 Bull。 Bull,theauthor\'sDog。 Bullock。 Bumble-bee。 Buprestis。 Buprestis-huntingCerceris。 BurntZonitis。 Butterfly。 CabbagePieris。 Calicurgus(seePompilusandthevarietiesbelow)。 Calicurgusannulatus(seeRingedCalicurgus)。 Calicurgusscurra(seeHarlequinCalicurgus)。 Callot,Jacques。 Cantharides。 Carpenter-bee。 CellarSpider。 Centuryco。 Cerceris(seealsoBuprestis-huntingCercerisandthevarietiesbelow)。 Cercerisarenaria(seeSandCerceris)。 CercerisFerreri(seeFerrero\'sCerceris)。 Cercerisornata(seeOrnateCerceris)。 Cerceristuberculata(seeGreatCerceris)。 Cerocoma。 Cetonia(seealsothevarietiesbelow)。 Cetoniaaurata(seeGoldenCetonia)。 Cetoniamorio。 Chaffinch。 Chalicodoma(seeMason-bee)。 Chaoucho-grapaou(seeNightjar)。 Chimpanzee。 Chrysomelapopuli(seePoplarLeaf-beetle)。 Cicada。 Cicadella。 Cleonus(seealsoCleonusophthalmicus)。 Cleonusophthalmicus。 Cneorhinus。 Cockchafer。 Colpainterrupta(seeInterruptedScolia)。 CommonCockchafer(seeCockchafer)。 CommonWasp。 Cotton-bee(seeAnthidiumscapulare)。 Cow。 Crab。 Crabro(seeHornet)。 Crabrochrysostomus(seeGolden-mouthedHornet)。 Cricket。 CrownedPhilanthus。 Cuckoo。 Darwin,CharlesRobert。 Davidthepainter。 David,FelicienCesar。 Death\'s-headHawk-moth。 Devilkin(seeEmpusa)。 Dicranuravinula。 Dioxyscincta(seeGirdledDioxys)。 Dog(seealsoBull)。 Drone-fly。 Dufour,JeanMarieLeon。 Duges,LouisAntoine。 Earth-worm。 Eight-spottedPompilus。 Empusa。 Epeira(seealsothevarietiesbelow)。 Epeirafasciata(seeBandedEpeira)。 Epeiraserica(seeSilkyEpeira)。 Ephippiger。 EristalisE。tenax(seeDrone-fly)。 Eucera。 EuchloraJulii。 Eumenes(seealsoAmedeusEumenes)。 Fabricius,JohanChristian。 Favier,theauthor\'sfactotum。 Ferrero\'sCerceris。 Field-mouse。 Fly(seealsoGad-fly,House-fly)。 Fox。 Frog。 Gad-fly。 Galileo。 GardenScolia。 GardenSpider(seeEpeira)。 Geonomus。 GirdledDioxys。 Gnat。 Goat。 Goatsucker(seeNightjar)。 GoldenCetonia。 Golden-crestedWren。 Golden-mouthedHornet。 GoldenOsmia。 Gorilla。 Grasshopper。 GreatCellarSpider(seeCellarSpider)。 GreatCerceris。 GreyMantis。 GreyWorm。 HairyAmmophila。 Halictus。 HarlequinCalicurgus。 Hedgehog。 Helophiluspendulus。 HemorrhoidalScolia。 Hen。 Herring。 Hive-bee。 Hog。 Hornet(seealsoGolden-mouthedHornet)。 House-fly。 InterruptedScolia。 Jules,Ammophila。 Klug。 Lalande,JosephJeromeLeFrancaisde。 Lamellicorn。 LanguedocianSphex。 Lark。 Latreille,PierreAndre。 Leucopsisgigas,L。grandis。 Lily-beetle。 Linnet。 Locust。 Looper。 Lycosa(seeBlack-belliedTarantula)。 MacmillanCo。 Mantis(seealsoGreyMantis,PrayingMantis)。 Mantis-huntingTachytes(seeMantis-killingTachytes)。 Mantis-killingTachytes。 Mariotte,Edme。 Mason-bee(seealsotheAnthophoraandthevarietiesbelow)。 Mason-beeofthePebbles(seeMason-beeoftheWalls)。 Mason-beeoftheSheds。 Mason-beeoftheShrubs。 Mason-beeoftheWalls。 Measuring-worm(seeLooper)。 Megachilesericans。 Melanophora。 Meloe(seeOil-beetle)。 Miall,Bernard。 Midge。 MithradatesVI。 Mole。 Mole-cricket。 Monkey。 Monoceros(seeOryctesnasicornis)。 MorningAnoxia。 Mosquito。 Moth。 Mule。 Muscid(seeHouse-fly)。 Mylabris。 NarbonneLycosa(seeBlack-belliedTarantula)。 Nest-buildingOdynerus。 Nightjar。 Nut-weevil。 Odynerus(seealsoNest-buildingOdynerus)。 Oil-beetle。 OrnateCerceris。 Oryctesnasicornis。 OryctesSilenus。 Osmia(seealsothevarietiesbelow)。 Osmiacyanea(seeBlueOsmia)。 Osmiacyanoxantha。 OsmiaLatreillii(seeLatreille\'sOsmia)。 Osmiaparvula(seeTinyOsmia)。 Osmiatricornis(seeThree-hornedOsmia)。 Ostrich。 Otiorhynchus。 Palarus(seealsoPalarusflavipes)。 Palarusflavipes。 Pangonia。 Panzer\'sTachytes。 Paragus。 Pascal,Blaise。 Passerini。 Pea-weevil。 Pelopaeus。 Pentodonpunctatus。 Perez,J。 Phaneropteronfalcata。 Philanthus(seealsothevarietiesbelow)。 Philanthusapivorus(seeBee-eatingPhilanthus)。 Philanthuscoronatus(seeCrownedPhilanthus)。 Philanthusraptor(seeRobberPhilanthus)。 Phynotomus。 Pieris(seeCabbagePieris)。 Pig。 Pine-chafer。 Pithecanthropus。 Plant-louse。 Pompilus(seealsothevarietiesbelow)。 Pompilusannulatus(seeRingedCalicurgus)。 Pompilusapicalis。 Pompilusoctopunctatus(seeEight-spottedPompilus)。 PoplarLeaf-Beetle。 PrayingMantis。 PubescentBrachyderes。 Rat。 Resin-bee(seeAnthidiumbellicosum,Anthidiumseptemdentatum)。 RhinocerosBeetle(seeOryctesnasicornis)。 Rhynchitesbetuleti。 RingedCalicurgus。 RingedPompilus(seeRingedCalicurgus)。 RobberPhilanthus。 Robber-fly。 Robin。 Romanes,GeorgeJohn。 Rose-chafer(seeCetonia,GoldenCetonia)。 RostrateBembex。 SandCerceris。 SandyAmmophila。 Sapygapunctata(seeSpottedSapyga)。 Sarcophaga。 Scarabaeid。 Scarabaeuspentodon。 Scolia(seealsothevarietiesbelow)。 Scoliabifasciata(seeTwo-bandedScolia)。 Scoliahaemorrhoidalis(seeHemorrhoidalScolia)。 Scoliahortorum(seeGardenScolia)。 Scoliainterrupta(seeInterruptedScolia)。 Screech-owl。 Seal。 Segestriaperfidia(seeCellarSpider)。 ShaggyAnoxia。 Sheep。 Silkworm。 SilkyAmmophila。 SilkyEpeira。 SilkyLeaf-cutter(seeMegachilesericans)。 Sitones。 Skua。 Slug。 Snail。 Socrates。 Soleniusfascipennis(seeBrown-wingedSolenius)。 Soleniusvagus(seeWanderingSolenius)。 Sparrow。 Sparrow-hawk。 Sphaerophoria。 Sphex(seealsoLanguedocianSphex,White-bandedSphex,Yellow-wingedSphex。) Spider(seealsoBlack-belliedTarantula,CellarSpider,Epeira。 SpottedSapyga。 SpurgeHawk-moth。 Stizus(seealsothevarietiesbelow)。 Stizusruficornis。 Stizustridentatus。 Strophosomus。 Swallow。 Swammerdam,Jan。 Syrittaperpens。 Syrphus。 Tachytes(seealsoMantis-killingTachytesandthevarietiesbelow)。 Tachytesanathema(seeAnathemaTachytes)。 Tachytesnigra(seeBlackTachytes)。 TachytesPanzeri(seePanzer\'sTachytes)。 Tachytestarsina(seeTarsalTachytes)。 Tachytesunicolor。 Tarantula(seeBlack-belliedTarantula)。 TarsalBembex。 TarsalTachytes。 TeixeiradeMattos,Alexander。 Three-hornedOsmia。 TinyOsmia。 Toad。 Toricelli,Evangelista。 Toussenel,Alphonse。 Turkey。 TurnipMoth。 Two-bandedScolia。 Two-prongedBembex。 Unwin,T。Fisher,Ltd。 Vespacrabro(seeHornet)。 VirgilianBee,Virgil\'sBee(seeDrone-fly)。 WanderingSolenius。 Wasp(seeCommonWasp)。 Weevil(seealsoAcorn-weevil,Nut-weevil,Pea-weevil)。 Whale。 Whippoorwill(seeNightjar)。 White-bandedSphex。 WhiteWorm。 Wolf。 Yellow-wingedSphex。 Zeuzera。 Zonitispraeusta(seeBurntZonitis)。 End