II I- RPETOLOGY. 



IILI i a i part ofthe mandible* ia eamiaeaH with the bony jaw, Guana there are betides teeth et in the palate. All Aaatany 



aM rtiTi. nttrtv i n the aame manner in which the hoof of the theee teeth reaemble the cutting and pointed teeth of an fJV*> 



coffin bane: (See MANUU 



.) In like upper jaw there ir . , 



The lower jaw i* artieulated with tekiom constant in the wme specie*, and evidently de* 



borae i* united to the coffin bane : (See MAUN ALIA and the preiUeioni quadruped*, and teem entirely adapted 



1 ? UMCiMtJ In the upper jaw there i* an to *euing and retaining prey. The number of terth is 



iaUiawiinaTj bane. The lower jaw it articulated with tekiom constant in the *ame epecie*, and evidt 



the tkull. by mean* of a bony rainann of the latter, pend* on the age of the animal. 



The lower jaw only awvaable, awl ha motion eon- Among the Mreoteju, the frog* have teeth only in 



*t of little nwre than opening and tliutting the ajoutb, the upper jaw; takunander* have them in both; but 



Many of thi* order poearat great strength m the jaw*. toad* have teeth in neither jaw. All theae tribe*, how- 



The jaw*, in many ofthe Sean***, especially in the ever, have them in the palate. The airen ha* teeth at- 



cracodae tribe, are of very iiwaiilirtMi length, and, tacked to the inner urface of the jaw*, 



hi molt iimaniT*. beast with numarou* atrong and TAe orgmnt of d^Utiiio* in reptile* have a const. 



aharp Math. In moat of the specie*, the lower jaw derable variety m point of atructure. We have already 



in the usual manner ; but in briefly noticed the tongue under the organ* of 



arity in thi* articulation tion. but mart here treat of that organ and it* aynnwa 

 wfntt aMritt particular nonce, aeperiaOy a* it ha* bean gea at greater length. 

 mad* a subject of diapute aamg naturalitt* from the In the CaWoawiu. the tongue a* tmall and pyrami. 

 aautat agea. dal. with the bate turned backward*, and the point 

 rodotaa was, we believe, the fir* to assart, that forward*. The <w aoeV, or bone of the tongue, ra- 

 the upper few of the crocodile wat amaabli on the rie* in different specie*. It i* mart 

 __fi_ u- i,.,, i., , i ._ * * 



I ! n nr BWBSWai "" 



r Mowed bv Ari*totle and Pliny, and of courae by The nwchaniw* of the tongue in the Chameleon ia 

 earlier modem naturalist*, who copied from taew* extremely curious. The tongue itsaaT ianat larger tnan 



at ia five or six mcbea long, grow ing 

 it* aatremkj, where it it covered with 

 -r. In the u.ual state ofthe animal, thi* 



it* absurdity. Tne mere recent ai>> organ lie* within a aheath at the bottom ofthe mouth, 

 of M. Gaouroy, however, anew that the an- and i* ao contractrd a* to appear not more than an inch 



when the auiiml t* m wercn of prey, 

 by peculiar mnarlea, darted out to the 



. ^ 



taW cwiwr odcm OttMnnMi who oopwd o 



/ 1 ' . k -^ * . ^_ , . . m 



W * HIM fCOVTaU AnCMffn 0pmOB OT fHV 

 late upper jftV haM Mvn Wavrmiy CaviCKi Ml 



Pl .T, 



daw i.iia.nlln.i ww wrong only ae far a. raaprcta the ia length ; but 



lower>w. a*, mfart. both thejawt are movwhleon the tongue i*, 1 . 



CBCfk OttkwT. TBM pVCwMaf ftSCW.fttlOatl M Vffl tllfwfltlw** Wtltftll Wff QalTV OTwCTtlMa, attMl CautCaMPH' tlH lOaMCtaf (Ml 



ted by Fig 3. of Plate CCXCV from which it ap. which the ckawiIiM feed., by mam of it* glutinott* 



peart, that the pialariat Utiaaillhu of the Ulna! accretion, ia again withdrawn into the mouta. 



DVauflclMal Oaf thai WDOff jBuV*O0aW aaffV fVCMV^d IHCO iMuU III laautfty CV taW f^fltllO, tlM tOtlfttV M COCBpO^^d 



low* in the lower, ao a* to admit of free and eslen- chiefly of a thick glandular maaa, formed of a great 



namtir of *mal ptpe*. united toward* the base, and 



We at* not, however, to appear, that the Bmr law iMwar^hag tawarda theawrthce of the tong"*- In fart, 

 the rracoanaff movea upon tne eraMtMn. Tne fact in tneae eaja 

 tKat the craniwa ia very amall. and ii ao fixed with- aan>e aaaiva 



f \nf eraeauMe aaavaa upon tne erantua*. Tne fact M taeae easr* the tongue foraat aali vary gland, and foe 



admit.*] 



i*. that the uauiurn i* wry amall. and ia to fixed with' aaa*e*aavaprapar*d in k Mponrad out liy nutnerou< on 



hi the tiraneua* f the upper jaa> huna. a* la move ataf along the aide* ofthe orc*n. Thi* i* partiimlarly 



along with thfa Utter : the iirKalatiaa. ofthe twa jaw* the caw in the CMa*i.n*. and many ofthe .Saartatit ; 



bemg behind the cranium. Nt^te of the otlaar oaaraia.1 awl a auailar structure, though to* wai aKteut, prevaitl 



have the maxillary artirulatioa ttaalwr to that in the in the Bafracaaa*. 



cToftatnlu? ; bot IQ nUufiy 1 dw Mwajftft of t*w jatw*^ 0no new In tiMM rvpUMB tMat DBW c*Hjf ton^Vvf tliffrv ut? 



aWVTfvMttV tawat flpfltlfaK tf UMf OaWUI. M *Vy C*waw*OCT tVO 4OlaM|f WDHttanUawafy ^UDOaV 



abir The lower jaw in meat of thaw anknal* i* vary What it called the yaarjajj. or 



ng a/ from sight Jo twelve piaew. la not eaafly 



lower jaw in waat of theae inkaali i* vary What i* called the yaarjaij. or swallow, i* in repblai 



n the gullet, to which it 



neralryofmpwtaa. wfch that of the gullet 



I' , ,or".i ,. .' ' MBaaawJbfa>ffki t. The gullet in reptile* is nearly of equal diameter 



ha* a very dawraat degree of rataadky m the arveral through Ma whole kiiigth, and thi* diameter i* greater 



order* of reptile*. It ia IB ual ubtw* ia Hat Barraow ; hi praajartiun the tnuaach than in qua*unad. In 



aw the jaw ganerally vary directed backwards, apparently tor the aarpow of pra* 



the retura aftbe raoJ from the etomach. Ia 



ached to the jaw* are atoat powerful this order, ewallowing i< ako facilitated by 



aad AawisM. In the ftraiar, the of muscle* placed along the neck, and inserted into 



are the atiungest ; while in the bt- the gullet, w well w by the bone ofthe tongue and it* 



prowi* arascW The aame median 1*01 i* evident in the Bo* 



with which swat turtle* daw the frucwa*. especially w the frag* and toad* ; and in all 



It i* even averted, that whan thai da** there arc neaaBy in the gullet 

 rnrr it u npoaatbletoopenthem ; raiNnal fold*, which, by admitting a 

 the head ia cut of . the cuutf actkai gree ofrxpaaanon in the tube.Mtbefoa 



gree of espaanoo n te tue, a* the food paeaea through 



to act for many hour*. A it, greatly facilitate deglutition. 

 tnrtle ha* been known to taae atunder a iarge rope, by The afoaa*r> of reptaW j* of very varioua ftgure and 



jaBajaaVml e^.Tt.ra.*> lf^r4***n t BVT^J^PIA l*m *> nab^aBBMHaV^Lakai -fl^ BI _>^ B> _^ B t.^BB.^ * *aV. . l,^P.^--^ a ,, m ,1^, .- ^^-Ifc- %*! avna>aB.IM^.a\ 



- m n nMBKDiNr*. cnDctMUiw, n mv CUBIVHK oiau*^ ino**, 0*0 pvctfft. 



A U the .W^a<u hate teeth i both jaw*, ndb the la Hat Chiiii'i il thu organ appen a* if doubted baak 

 vou it. r**T r a 



