210 



AGE OF THE DOMESTIC ANIMALS. 



Fig. 193 illustrates an upper permanent or adult set of 

 teeth. These teeth are known by the same names as the corre- 

 sponding teeth of the lower jaw. 



Fig. 193. 



Fig. 194 is a side view of the adult low^er jaw% in 

 which No. 1 represents the central 

 incisor ; No. 2, the lateral incisor ; 

 No. 3, the canine; No. 4, the 

 first bicuspid; No. 5, the second 

 bicuspid ; No. 6, the first (sixth- 

 year) molar; No. 7, the second 

 (twelfth-year) molar ; and No. 

 8, the third molar, or wdsdom- 

 tooth 



Six-vear molar 



Pig. 194. 



