ANIMAL DENTISTRY. 



37 



while the three anterior ones present more the shape of a 

 "U" turned bottom against the tongue. The first three 

 molars have but one infundibulum, while the last three have 

 two. The longitudinal ridges are prominent features of the 

 buccal surface and terminate at the table in sharp points. 



Fig. 24. 

 Incisor Teeth of the Ox. 



A. Lingual surface of lateral incisor. 



B. Labial surface of central incisor. 



C. Lingual surface of corner incisor. 



D. Labial surface of intermediate incisor. 



The length of the posterior molars is about 8^ centimeters, 

 and that of the anterior about 5V2 centimeters. Each tooth 

 presents three roots, two of which project externally and 

 one internally. 



In situ they consist of a continuous arcade, narrow an- 

 teriorly and becoming gradually wider toward the posterior 



