Till-: MOl Tlf. 3o9 



-" As in Solipeds, the molara arc six in each side of the jaws, but they are 



much smaller, and form a much shorter arcade. Their reciprocal volume is fur from 



viform us in tin; Horse, but goes on augmenting from tin- first t<i tin- sixth ; and 



i hut the Bjwce occupied by the three anterior molars is only about one- 



hulf of that r< quired fur the three posterior ones ; the last molar alone occupies nearly 



four times as mu.-h sp.nv, li ngthw i-e, ay tin; tir-4. 



" Their wealing surface, constructed on the same system as that of the Horse's molars, 



N emii!. iii-. s a little more acute." 



The arrangement of their three constituents is in principle the same as iu the latter 

 animal. 



" As in the Horse, the tliree front molars are deciduous. 



"The teeth of the Sheep and Goat are, like those of the Ox, thirty-two in number, 

 divided int. > iuht iu<-i.-. >rs and twenty-four molars, to which are sometimes added 

 Mippl. nieniury molars. 



Tlie in. i-ors <>f the smaller Ruminants are not disposed like a key-buurd. as in the 

 < >.\. l>nt btaii'l up to form a jrri]). re.-ting against the pad on the upper jaw much more 

 by their extremity than by their inner surface. 



Tli- \ i . narrow, have scarcely any neck, and are fixed more solidly in the 



ulveoli (tig. li.l). 



"Their external face is white and polished, and is encased towards the gum in a 



kind of bluek eemeiit. 



''The internal fu has two wide, longitudinal grooves, separated towards the middle 

 i.f the t.iMe by a simple ridge, which replaces the conical eminence of the Ox's incisor. 



nearly always lined with the black cement-like sub.-tunce. 

 incisors of the Sheep are, like the Ox's, distinguished into temporary and 

 ing t'lth; the ti\?t are known from the others by 

 their smallru .-, and particularly by their narrowness. 



of the incisors in the Sheep, from their 



. ought to take place nearer the anterior border 



than in the < >x ; the dental star is observed more 



promptly, and always forms a narrower line from before to 



behind. 



' The absence of a neck in these teeth is the reason 

 why they never appear to separate with wear, as has been 

 remarked in the Ox. 



'!'].. in 'iars have the greatest resemblance, in their INCISOR TEKTII OF A siir.r.i- 



I form and relative proportions, to those of the Ox." i\\.> YKAUS OLD. 



PiG.-"l. Lips. lu this animal the lips are widely The seco nd intermediates and 

 el. ft. The 1 >\\er is pointed and little developed ; the upper tne cor ner incisors have not 

 is confounded with the snout, which will be described ve t i^u replaced, 

 with the n. '.-t tils." (The upper lip has but little mobility.) 



. These are small and thin, and th mneous membrane smooth. 



Xarrow and i longatc-l, it is di.-p. sed as in the H<>i>.-. In front is seen 

 tin- oriti< es of Jacobson's eanaU." (The t.. are twenty to twenty-two in 



numb r. the anterior '< than the post-rior, and their fne lx>nlers an- united). 



MM?. 5. Soft / ! the same as in the small, r 



liiiin j.t that the til i form papilla 1 are ] .hvelo|eil" (The isthmus 



of the faiio-s is circular, and the po.-terior pubin aie cont'onnde.l \\itli tin- mneous 

 iii>-mbrane :it t':..- npiHT ]>.irt of the (e.-opha^ns. It-i anterior Mirf.n-e h.is M-veral e.mi. al 

 eminences in tin- middle, an.l the an.y^.lahe are little round. .1 !, vat ions.) 



'/'..//,. -Tin- I'i- has forty-four tfth. which aie dividid into twelve incisors, 

 nims an.i T lit molars" (li-- i 



I: : i i, six in i ii.-li jaw, exhibit very remarkable ilill'er. in-es between each 

 i-th-T. 'I he pim-ers and the intermediates of the'iijijier jaw oiler, b\ their form and tho 

 civity th.y show on their table, Minn- analogy t<> th.e of the \lr- In tin- l>wi-r 

 jaw, tln>e tieth are r-traiu'ht. ilire.-ied forwards, and bear some n-s. mblan.-e t 



r. .d.-nt animals Tin e..nnT ini-iM>rs of both jaws are i.xilnt'.l I* t\\< en tl.e 

 intermediate and canine teeth, and are not neaily M voluminous IL-, the other 



very develop-.!, paitienlarly in tin- male, ai.d cross each other during 



1h" life of th.- animal ; 'tln-y project from the month, and form a very dangerous weapon 

 in the Mild lx>ar. The primary canim-s are deciduous like tin- incisor*. 



"Tl.e in.. lair-, s. \.-u iii ea.-h row. iiicreasi- in v.'lume from the tirst to the hitt, wl.ieh 

 Tin ir tabl. > hold a middle place, \\ ith r. uard to .li~|>jition, between 

 that of the ("nrnivorn nml II 



The t'nini\oia. tike tin- I'ig. d nt u>-- their lips to . 



