PLATE XXV. 

 Fig. 1. — Top Jaw about 26 years. 



The groove extends only about f from the bottom of the corner tooth. 

 Fig. 2. — Lower Jaiv about 26 years. 



Central teeth longer across than they are in width. 

 Fig. S.— Lower Jato about 26 years. 



Note the extent of gum between 

 teeth, owing to the narrowness of their 

 ""^ bases, also the length of the teeth. 



