Thispigmy，apparentlysouninteresting，shallsupplyuswithourfirstrecordsofthecuriouslife-storyofthePsyches。IgatherhiminprofusioninAprilandinstalhiminawirebell-jar。WhatheeatsIknownot。Myignorancewouldbegrievousunderotherconditions；butatpresentIneednottroubleaboutprovisions。Takenfromtheirwallsandtrees，wheretheyhadsuspendedthemselvesfortheirtransformation，mostofmylittlePsychesareinthechrysalisstate。Afewofthemarestillactive。Theyhastentoclambertothetopofthetrellis-work；theyfixthemselvesthereperpendicularlybymeansofalittlesilkcushion；theneverythingisstill。
Junecomestoanend；andthemaleMothsarehatched，leavingthechrysalidwrapperhalfcaughtinthecase，whichremainsfixedwhereitisandwillremainthereindefinitelyuntildismantledbytheweather。
Theemergenceiseffectedthroughthehinderendofthebundleofsticks，theonlywaybywhichitcanbeeffected。Havingpermanentlyclosedthetopopening，therealdoorofthehouse，byfasteningittothesupportwhichhehaschosen，thecaterpillarthereforehasturnedtheotherwayroundandundergonehistransformationinareversedposition，whichenablestheadultinsecttoemergethroughtheoutletmadeattheback，theonlyonenowfree。
Forthatmatter，thisisthemethodfollowedbyallthePsyches。Thecasehastwoapertures。Thefrontone，whichismoreregularandmorecarefullyconstructed，isatthecaterpillar’sservicesolongaslarvalactivitylasts。Itisclosedandfirmlyfastenedtoitssupportatthetimeofthenymphosis。Thehinderone，whichisfaultyandevenhiddenbythesaggingofthesides，isattheMoth’sservice。Itdoesnotreallyopenuntilrightattheend，whenpushedbythechrysalisortheadultinsect。
Intheirmodestpearl-greydress，withtheirinsignificantwing-equipment，hardlyexceedingthatofaCommonFly，ourlittleMothsarestillnotwithoutelegance。Theyhavehandsomefeatheryplumesforantennæ；theirwingsareedgedwithdelicatefringes。Theywhirlveryfussilyinsidethebell-jar；theyskimtheground，flutteringtheirwings；theycrowdeagerlyaroundcertainsheathswhichnothingontheoutsidedistinguishesfromtheothers。Theyalightuponthemandsoundthemwiththeirplumes。