D. c. 621. This preparation shows of the ear of an owl. The semicircular catnhael so, sstheoeu sc olcahbleyari, nth tdhuocstes , ina nthde t yemarp oafn uthme garoeo spe,r etpoa bree ds eienn tahte Ds.a cm. e6 2m4a.—nnJe.r Has. seoDu.s semc.i c6i2rc2u. laTrh ec anoraglsa na roef dhiessaericntegd i.n tTheh es pvaerrrtoiwca.l cTanhael osiost
hsemr atwlleor, tahnadn pinla mceods tm ootrhee rp boisrtdesr.i—orlJy., Hw.ith respect to the theD .g oosec. (6a2n3a.s Tanhsee re).x teOrnna l thpea rltesf t osfid teh, et hoer gmane aotfu sh eaaurdini-g in tmoeriruesly esxutrerronuunsd eisd sbhyo wfena, thweritsh—ouotn pthroej ercigtihntg, tchaer timlaegmesb raannda ttyhme ppahnair yisn xe, xthhieb itceodm, mwointh o irtisf icceo onvf etxhiet ye uosutatwchairadns ;t uabneds iins maDde. evidc.e n6t2 4b.y Tbhries tloesss.e—ouJs. Hst.ructures of the ears of a goose. Tyehlelo ows—seoanuds stehmei cdiruccutlsa r lceaandainlsg afrreo mpa tihnete dty rmedp—antuhme cobclahcleka. TTwheo ocof nteh-es hcaapneadls cleoacdhilnega firso msh othwen tiynm thpean buamse a roef mthaed esk euvlil.
cdaennat l;s —onteh eis osthhoerrt ,i sa lnodn gp,l aacnedd leuanddse rthnreoauthg ht hteh es bemasiec iorcfu thlaer tshkautl lo tfo twhea rsdisd et hoep pcoelsliate t.u rcTichae, ewuhstearceh iita nco mtumbeu nisic iantdesic watietdh byD a. blacck. 6b2ri5s.t leT.—heJ .o sHs.iculum of the ear of a goose. In the preociennt t osft atthee tihr earett aacrhe mtweno t pwiecitehs , ewachhic ho tfhoermr. anO naen golef atth ethsee pmieecmebs,r abneain gty cmaprtainlaig, ihnoasu sb, eaennd laottsat cdhuerdin tgo tthhee msuarfcaecrea tioofn t hoef theD b. ocn. e6.3—8J. . THh.e organs of hearing in a frog (rana tempo- praarniia, ).o n Othne tshaem rei glehvt esli dwei tmh atyh eb es ksiene, na tnhde dmifefmeribnrga nfar otmy mit
ofrnolgys inth ceorelo rb.e inHg etrweo a)l saop pisl iesdh otwo nt hthee f oinrtaemrneanl oovsasliec.u lTuhme s(ein
mskiactierc u(Dla.r cc.a 6n6a4ls) .a reT thher eem ienm nburmanbae rt,y amnpda anrir aonfg tehde alse fitn tehaer thearsn able eonss riecmulouvme,d wtoh icehx hisib aitt ttahceh ecda rttoil aitgsi nionnuesr esnudr foafc eth. e Tehxe
yceenlltorwe bcertuwsteaecne othues mcaantatelsr. —ofJ t.h eH .vestibule may be seen in the thoDse co. f6 t3h9e. frTohge (e6a3r8s) .o fT ah eto eauds (tarachniaa nh utfuob)e. , Ta hseiym rpelsee mhobllee, nmeaayr tbhee oabrtsiecruvleadti oinn tohfe thlaet elroawl earn jda wba.—ckJ .p aHr.t of the mouth,
smDal.l ,c . a6n4d0 .m Tuhset beea rl ooofk ae ds efropr eanttt e(ncotilvuebleyr tnoa tbreix )d. isIcto ivs evreerdy. Ato biltas cski tubartiisotlne., pTlahcee ds etmraincsivrceurlsaerl yc aanbaolsv eo ft hthee orriggahnt , epaor inartes tdriisasnegcltee,d :a nthd eyc ofnotarmin bwyi ththine irt haermra ngmeemmebnrta naonu se qaumilpautlelraael, iTnh es itour,g abny p olsosoekssinegs bau lti totlnee toos sitchuel uomu,t ewr hsiicdhe mofa tyh eb ec asneaelns., tOhne e otehnedr iosf pitl afcilelds uamp otnhge tohpee nminugs colefs thaeb ouvte stthibeu lien,f earinodr
maDxi. llca. .—66J3.. HT.h e ear of a skate (raja bati.s ). In thi.s prepareaatri)
o, nl otohsee lmy esmubprpaonroteuds isne mthieciirr cucalarrti lcaagnianlosu asr eb esdhso :w tnh e(yri gahret tohpreene iinnt on ua mcbomerm, oann tvereisotrib, upleo.s teTrihoer , nearnvde sh oarfitzeor nhtaalv, inangd p earll
tfhoera bterda itnh, e racmomifmy oonn stehpet uvmes, tiinbtuelrep oansedd abmeptwulelaeen othf eth eea rs eamnid
fcriormcu laorn ec caonranlse r oTf hteh em veeasttuibsu laeu d; itiot nturasv eerxsetesr nthues lceaardtisla goiff
nsuorufsa ccer aanti utmhe b bya ac kw ionfd itnhge chaenaadl, bayn d ac ovmermy umniicnautetes woirtihfi cteh e: tlhapei lltiu boef thaen dv eosrtiifbicuel ea, rea nidn dmiceamtebdr abnyo uas bclaancakl s barries tloef. a Tcrhee
taceous consistence, and not hard as in osseous fiJs.h .H.
nouDs cc.a 6n6a4ls. aTrhee l aeiadr oopf ean , saknadt et h(er amjae mbabtriasn) ouTs hcea ncaalrst ilcaognitoafi
ntheed awmitphuilnla teh em are filled with red injection. The nerves 5 and the meatus auditonus externus aie also
shoDw. nc..— 66J5.H. .Both ears of a ray, to show their relative position,
and the chalky substance which occupies the semicircuDla.
r cc.a nals and vestibule.—J. H- ment of t6h6e6 c- aTnhaels eisa rt hoef saa smhea raks (isnq tuhael . sgkaalteeu s()6. 6T3)h.e Tarhrea nagmepullae
of the organ are stronger, and more opaque than those
of Dth.a ct. f6is6h7.-— TJh. eH e-ars of a dog-fish, blips of blue paper are placed under the membranous canals ; and the external ears
areD p. ocin/ted out by bristles.—J. H. _ brain an6d6 e8a. rsT haer ee barost ho fp rae ssetruvregde.o n T(ahcei pmenesmerb rsatnuonuos) .c anTahles
of Dth.e ce. a6r7 a0r. e Tphaein teeadrs reodf .—anJ .a Hng. el shark (squalus squatina)- R