PLATE XLir. 



A.GE OF HORSES AS INDICA^TED BY TEETH 



Longitudinal Sfection of left central lower incisor and cross sections 

 of same tooth showing table surfaces as they appear at the a^es of 3, 

 5,7, 9, 15, 20 and 25 years. 



C. .Cement D Dentine E Enamel 



I Infundibulum K .Cup E. Pulp Cavity 



S. Star 



US BIEN CO LITH N Y 



