B 



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C 



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Plate IX. 

 A. Incisors of lower jaw at three years; i, i', Temporary incisors; 2, 2", Permanent 

 incisors. B. Tables of incisors of aged horse showing dental star i. C. Table of young 

 permanent incisor; i, Inner ring of enamel ; 2, Outer ring of enamel; 3, Infundibulum ; 

 4, Dentine. D. Table of molar tooth showing arrangement of enamel ridges. E. Anterior 

 surfaces of aged incisors (lower jaw). F. Molar of lower jaw (outer aspect). G. Molar of 

 upper jaw (outer aspect). 



