Ididnotthinktherecouldbeanythingleftinthatgardenwhichwehadnotseen. ButtheDoctortookmebythearmandstartedoffdownalittlenarrowpathandaftermanywindingsandtwistingsandturningswefoundourselvesbeforeasmalldoorinahighstonewall.TheDoctorpusheditopen. Insidewasstillanothergarden.Ihadexpectedtofindcageswithanimalsinsidethem.Buttherewerenonetobeseen. Insteadtherewerelittlestonehouseshereandtherealloverthegarden;andeachhousehadawindowandadoor. Aswewalkedin,manyofthesedoorsopenedandanimalscamerunningouttousevidentlyexpectingfood. "Haven'tthedoorsanylocksonthem?"IaskedtheDoctor. "Ohyes,"hesaid,"everydoorhasalock. Butinmyzoothedoorsopenfromtheinside,notfromtheout. Thelocksareonlytheresotheanimalscangoandshutthemselvesinanytimetheywanttogetawayfromtheannoyanceofotheranimalsorfrompeoplewhomightcomehere. Everyanimalinthiszoostaysherebecausehelikesit,notbecauseheismadeto." "Theyalllookveryhappyandclean,"Isaid."Wouldyoumindtellingmethenamesofsomeofthem?" "Certainly.Wellnow:thatfunny-lookingthingwithplatesonhisback,nosingunderthebrickoverthere,isaSouthAmericanarmadillo. ThelittlechaptalkingtohimisaCanadianwoodchuck. Theybothliveinthoseholesyouseeatthefootofthewall. ThetwolittlebeastsdoinganticsinthepondareapairofRussianminks—andthatremindsme:Imustgoandgetthemsomeherringsfromthetownbeforenoon—itisearly-closingto-day. Thatanimaljuststeppingoutofhishouseisanantelope,oneofthesmallerSouthAfricankinds. NowletusmovetotheothersideofthosebushesthereandIwillshowyousomemore." "Arethosedeeroverthere?"Iasked. "DEER!"saidtheDoctor."Wheredoyoumean?" "Overthere,"Isaid,pointing—"nibblingthegrassborderofthebed.Therearetwoofthem." "Oh,that,"saidtheDoctorwithasmile. "Thatisn'ttwoanimals:that'soneanimalwithtwoheads—theonlytwo-headedanimalintheworld.It'scalledthe'pushmi-pullyu.'IbroughthimfromAfrica. He'sverytame—actsasakindofnight-watchmanformyzoo. Heonlysleepswithoneheadatatime,youseeveryhandy—theotherheadstaysawakeallnight." "Haveyouanylionsortigers?"Iaskedaswemovedon. "No,"saidtheDoctor."Itwouldn'tbepossibletokeepthemhere—andIwouldn'tkeepthemevenifIcould. IfIhadmyway,Stubbins,therewouldn'tbeasinglelionortigerincaptivityanywhereintheworld.Theynevertaketoit.They'reneverhappy.Theyneversettledown. Theyarealwaysthinkingofthebigcountriestheyhaveleftbehind. Youcanseeitintheireyes,dreaming—dreamingalwaysofthegreatopenspaceswheretheywereborn;dreamingofthedeep,darkjungleswheretheirmothersfirsttaughtthemhowtoscentandtrackthedeer. Andwhataretheygiveninexchangeforallthis?" askedtheDoctor,stoppinginhiswalkandgrowingallredandangry—"WhataretheygiveninexchangeforthegloryofanAfricansunrise,forthetwilightbreezewhisperingthroughthepalms,forthegreenshadeofthematted,tangledvines,forthecool,big-starrednightsofthedesert,forthepatterofthewaterfallafterahardday'shunt? What,Iaskyou,aretheygiveninexchangeforTHESE? Why,abarecagewithironbars;anuglypieceofdeadmeatthrustintothemonceaday;andacrowdoffoolstocomeandstareatthemwithopenmouths!—No,Stubbins. Lionsandtigers,theBigHunters,shouldnever,neverbeseeninzoos." TheDoctorseemedtohavegrownterriblyserious—almostsad.Butsuddenlyhismannerchangedagainandhetookmebythearmwithhissameoldcheerfulsmile. "Butwehaven'tseenthebutterfly-housesyet—northeaquariums.Comealong.Iamveryproudofmybutterfly-houses." Offwewentagainandcamepresentlyintoahedgedenclosure. HereIsawseveralbighutsmadeoffinewirenetting,likecages. Insidethenettingallsortsofbeautifulflowersweregrowinginthesun,withbutterfliesskimmingoverthem. TheDoctorpointedtotheendofoneofthehutswherelittleboxeswithholesinthemstoodinarow. "Thosearethehatching-boxes,"saidhe."ThereIputthedifferentkindsofcaterpillars.Andassoonastheyturnintobutterfliesandmothstheycomeoutintotheseflower-gardenstofeed." "Dobutterflieshavealanguage?"Iasked. "OhIfancytheyhave,"saidtheDoctor—"andthebeetlestoo. ButsofarIhaven'tsucceededinlearningmuchaboutinsectlanguages. Ihavebeentoobusylatelytryingtomastertheshellfish-talk.Imeantotakeitupthough." AtthatmomentPolynesiajoinedusandsaid,"Doctor,therearetwoguinea-pigsatthebackdoor. Theysaytheyhaverunawayfromtheboywhokeptthembecausetheydidn'tgettherightstufftoeat. Theywanttoknowifyouwilltakethemin." "Allright,"saidtheDoctor."Showthemthewaytothezoo. Givethemthehouseontheleft,nearthegate—theonetheblackfoxhad. Tellthemwhattherulesareandgivethemasquaremeal—Now,Stubbins,wewillgoontotheaquariums. AndfirstofallImustshowyoumybig,glass,sea-watertankwhereIkeeptheshellfish." 
