Doesnotthefactthatthissensehasnotbeenhandeddowntouspointtoaflawinthepedigree？Isubmitthelittleproblemtotheevolutionists；andIshouldmuchliketoknowwhattheirprotoplasmandtheirnucleushavetosaytoit。
IsthisunknownsenselocalizedinaparticularpartoftheWaspandtheBee？Isitexercisedbymeansofaspecialorgan？Weimmediatelythinkoftheantennae。Theantennaearewhatwealwaysfallbackuponwhentheinsect’sactionsarenotquitecleartous；wegladlyputdowntothemwhateverismostnecessarytoourarguments。Forthatmatter，Ihadplentyoffairlygoodreasonsforsuspectingthemofcontainingthesenseofdirection。WhentheHairyAmmophila（ASand-
waspwhohuntstheGreyWorm，orCaterpillaroftheTurnip-moth，toserveasfoodforhergrubs。ForothervarietiesoftheAmmophila，cf。
\"InsectLife\"：chapter15。——Translator’sNote。）issearchingfortheGreyWorm，itiswithherantennae，thosetinyfingerscontinuallyfumblingatthesoil，thatsheseemstorecognizethepresenceoftheundergroundprey。Couldnotthoseinquisitivefilaments，whichseemtoguidetheinsectwhenhunting，alsoguideitwhentravelling？Thisremainedtobeseen；andIdidsee。
ItooksomeMason-beesandamputatedtheirantennaewiththescissors，ascloselyasIcould。Thesemaimedoneswerethencarriedtoadistanceandreleased。Theyreturnedtothenestwithaslittledifficultyastheothers。IonceexperimentedinthesamewaywiththelargestofourCerceres（Cerceristuberculata）（AnotherHuntingWasp，whofeedsheryoungonWeevils。Cf。\"InsectLife\"：chapters4and5。——