REPTILES. 



mandibular, or teeth of the lower jaw. The latter, having 

 all the edge of the upper jaw furnifticd with teeth, poffcfs, 

 confequcntly, a kind of incifors. 



The fecond family includes only the angues and amphif- 

 bsnx. The former, betides the conical fliglitly curved teeth 

 of uniform fize, which they have in both jaws (eighteen 

 or twenty above, and fifteen or fixteen below on each fide), 

 poffefs others, very fmall and (hort, arranged in two rows, 

 on the pollerior half of each palatine arch. 



The other family is fubdivided into two tribes, the venom- 

 ous and the non-venomous. In the latter there arc conical. 



curved, and very pointed teeth, direfted backwards along 

 each maxillary, palatine, and mandibular arch ; confequently 

 tl ere are four rows in the upper, and two in the lower jaw, 

 all nearly longitudinal. 



On the maxillary liranch of the venomous ferpents there 

 arc oidy the hollow fangs, attached to the anterior extre- 

 mity only ; confeijucntly, with the exception of thefe fangs, 

 there arc only the two palatine rows above, and the two 

 rows of the lower jaw below. 



The following is a table of the numbers of teeth on each 

 fide in fome ipecies. 



To this table, which is derived from the Le5ons d'Anat. America, and whofe obfervations on ferpents are inferted 

 comp. of Cuvier, we add a fecond, drawn up by Palifot by Daudin in the fifth volume of his Natural Hiftory of 

 Beauvois, a French naturalift, who fpent many years in Reptiles. 



Comparative 



