COMPARATIVE A NATO Ml. 



... lu i-cll (lie Ililirr .ill.l mill I I. HIM 

 n . .1 ill, aU , ,.li I In I, on. <.! lli. l.M.ih 



I 'I 111, .1 (III lhe-,e III .. l..ll.ll -.111 II-.. 



,1 111, II I, Ml'. I' , M 11 Hill!. . 



.in.l i \l. niliiij; louar.l. lli> lit-. i-., \\ li> i> 



III. \ .11 , , ,.||IH led lop ill, I I he , >p ill. 



! . .in . i|ii.d nnml.ei ol ..... nln.uioii'. 

 |M -n.liii Imir. . \\linliln-.l i o\ , i fix ln'MN 

 .li. II-. \\ illi in. mi. I, :ui,l lli< n in\. v,l lli. in 

 \\il It <in . . \v In. It hilt i -.uli 



. innl. .ii. it > on-.ohdal. . (In- .lill. t 

 ml (MM tionS, I IK" l">n\ !, II'. \ ai \ in 

 tmnilx i- Irnin lour 1.1 i\vcnl\ 

 coidlllj; In III. |i] . ..I (he In. .III. and (he 

 a.- ,.| ill' annual . lll-\ ha\ r I.e. II dc 



n .1 iiu.li I (li. l< mi nl ,|, uli, nli, :tn.| 



h.n a i" .-I, ittd ' ' -ji.ii.ii. i. . MI 



in lln lust HI'.:. nice It inn .1, ho\\ . 



lie reincinln i . .1. lli.il (In \ .n lrm, d on 



pl-.'i ess, , ul nne -.IN 'I. |Hll|<- 



\\ ll< II I lie ri n.' .1 |i< I I . i a I . ei|||ili li l\ 



deposited, (lie ihtl, r.-iii ilentieiili are eon 

 solidal.'d 1,.j;elli.-|- I lie i.on\ NllclU Ul'C 

 Ilinleil :il lli, H-li.e.e lit (lie lie,,' III mi I n n i; 

 OIK , . Hie in\ < sl incuts of cn.tinel are 

 IOIIK .1 111 like mam,. r . an. I lli. ll|(i r\ ..I 

 are filled \\ illi Hie HIM. I -.1 1! i-,( a nee , u In. h 

 n all\ .kscrvcs llic name hestoucd on il 

 lt\ ( 'n\ n-r. ol c, inenl. Tin pulp i, tin n 

 <-|niij;:ile,l, lor th-- purpose of loinim;; the 

 i-ool'. or l.nij';-. "I llir (onlli. From tin- 

 pi , nil ir iiio.l. i I ili-iil ili"ii of thr. .in m..l, 

 \\-lneli \\ ill le e\|ilaim-.l in .'. -..ih'., . jneiil 

 nole, (he Ironl |mrlion <>| the loolfi I, r . 

 fill (lie };IIIN. ami i'. ciiij -In 



l>elorc the had, |. u-i i , e ..... pi, I, U 

 tonne .1, e\ en In lor. ..... I,- ol'llie posterior 

 . |< nl icnh h.iv . i" < n .'ir ululated |'h<- 

 hack ol' (lie I., nil. does mil aiiprar in (lie 

 Mionlh until (lie anlei-ioi- parl li.i . ' 

 \\ urn do\\ n even to ( lie I 



\ lion, onlal -.,'etion ol die , le|ih:mt'rt 

 toolli presi ill-, a si en . o| IM:I-I\\ It.ind 1 . 

 ol hone el' (lie toolli, siirronniled h\ QOf 

 res|ioii(lin;-; |mrlions oi'en.im. 1 llelueen 

 these are [loition , ol , m il , ;ui(l 



the U hole em 1111)1'. renee ol the seel;, 



< (imposed of a thick layer of the iume 



\ \. i IK al section in (he longitudinal 

 din-etion eslnhits the | rm i , es o| hone 

 ujion (In dill. r. ni di nil. nil, riinnin) 1 ; up 

 IVom the fangs : u vertical li\< r ol t n > 

 mel is placed helore, and another be- 

 hind each of these, h' the loolh , | noi 

 \\<irn hv mas(i( ation, the tun l.ueru of 

 enamel arc continuous at the part where 

 the hone tei-m'ni.i: in a point ; an.i 

 1'ront la\erol' one d^nli. n'ni-; r, conUnu- 

 oir, u ilh (In- hiai k la' < r ol' t in MM r -i .!in;v 

 one at the root ol' (he loolh , so lh.it Hie 

 -nanicl, ascendin,": on the anV-rinr, and 



j.;T 



llm-.c <>l (lit- 



.1. Hi .-ndinj' on id.- po.i, noi , -.nil.., e 01 



i. h d. uli. idn . toi nr. .1 i onh >n. I hn, 

 (hi oiij'h (hi \\ lio|, tooth ( 'in .1 . | ...... i 



inli-l \ . n, . h. I \\ ei n I he a .< . ii.hiii; .on! 



It . . ndiir- p.n lion . ol (lie , n.nii, I 



A Ih. .ui-lacc ol (In- loolh r, u ol n 

 dou n in ni.i .1 ii il ion, I In pi . 



n mi. I, i, 'ir.linj; ly Ih' if -.npi i i,. i hud 



IOIIH proniui. nl rulgCN Ol) tllO 

 liii!- -am .n , . u In, h HIM M adapl il , \ 

 . .11 n,l\ I.. i In ne. nig ttnd OOmininiiiin 



nhstam . 



Tin- j;i -iinliii;; l..ei, ., u h< n \\ .n n -.nlh 

 < I. llll\ lo , \pir., (he en tin. I, pi i-tc'llt t 

 v. l\ dill, I, 1,1 app, .u UK I in (he A-., ill. 

 and MCI. an lephanl'. The pro, |HM ol 



enamel in tin- li nn i '.p. , ,, -, i -, jn , nl 



MaKen.'tl (ivulrt. placeil a. , I os , the tooth 

 In (he latter tin \ l.n in .. -.. i i. . ol lo . n 

 |ro, \\ hn h touch each olhi r m the n.id 

 (lie ol the loolh. 



Il do. , not appear that . rn-.t i p. I POM 

 i an . .-,, nlial pal I in (he .Tiinh r. ol 

 i;rannnnoroir, annual', 

 ilunoccros do not po.-..ss il, 

 the enamel (icHCCndn into tin n 

 and forms a cavity which IN Hllc-d with the 



I. mil, Sec. 



Home and Itlake hkeur.e -.late thlt It 

 do, >, i, i,| , Xl .1 , Ilirlnppopolamn ,, \vlcr 

 I lire re are internal productions ol enamel 

 Im! Mr. Ma, u in, \ , lh<- leai n. .1 and in- 



gPiiioiH Icciurer on roin|)ar.tiivc timtomy 



at Sl Martholonti u ' I lospilal, lutM found 

 il in Hinall i|naniii\ on I'M , \tenor iur 

 I'lln loolh n. .r Itl root. 



The want of Mtiftfuutory obnervationn 



prcM-nts us IVom .ia\im;' nun h <ni the 

 OhAllgC of tin- I. , ill, p.niirnlirly in Wild 

 annn .Is Some . i ion. DUN opinion , ,.| |.,i 



Mici- times, an, for instance, Mm ih.- do 



Ilicsti. -al- d pi)-; < lianiM --. H .lei lh, and thai 

 the u ildamin ildor- no', h.\rdl', i, .|nu 

 i x pi e s eoiitradn lion in tin- pi<- 'iil.ln 

 TlnTc is no animal ol ihe i I e. . M ninn .h I, 

 \\ her.- the firs! appearan. . and -.n' 



(JUellt reillilX.d of tile ' III I ,k- 



place- at so lale a period l hie us ill MIUO. 

 The p rmanent le.-lh are ;; ner.dlv 

 formed in cavities near tin- roois ol UK 

 temporal^ ones; and I hey since, -.1 lolln- 

 \ a< an. a. . I. It I.' ihe (| ' ihe 



laKcr \ diU'er.-nt mo I- < ! 



MI-, m -.ome inslaiiCCS. TllC 

 adult mol ires of (In- human snhjcct are 

 formed m the hark of the tuo jaw*, 

 from v.hich -.ifnalion they ad\ ance UC 

 the front, in proportion 

 as the ma\ill:it \ l>onrs are lengthened in 

 that direction. A similar, hut minhmoie 



o|, 



! in ih" 'j.iii, 



