HUNTERS 



are spoken of as molars^ ox grinders^ of which 

 there are twenty-four, but only twelve of these 

 are temporary ones, three in each jaw being 

 replaceable by the permanent ones. Incisor 

 teeth are twelve in number, and in the horse 

 (exceptionally in the mare) there are four tushes 

 or canines^ which are permanent, though not of 

 much value as age indicators, nevertheless, 

 useful as an aid for the latter purpose. The 

 temporary incisor teeth are quite different from 

 the permanent ones, and any one who has seen 

 the two lying side by side at once recognises 

 their distinctive features. The former are 

 smaller and whiter, and have a better marked 

 constriction or neck than the permanent teeth. 

 A permanent incisor tooth is, for convenience, 

 divisible into three portions, namely, the crown^ 

 or that portion projecting above the gum, the 

 neck^ which is encircled by the gum, and the 

 root or fang. The crown is covered by enamel, 

 beneath which lies " Dentine," and within this the 

 pulp cavity of the tooth. The cutting or nipping 

 surface of an incisor is known as its table^ and it is 

 from the degree of wear, as exhibited in the tables 

 of the incisor teeth, that one is enabled to 



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