254 



THE HORSE 



the corner teeth when worn off level are one of the dis- 

 tinguishing marks of a six-year-old horse. At five years 

 the central nippers have had two years' wear, and one 

 more will virtually destroy the cups. They are also 

 changing slightly in shape; they have become rounder on 

 the inside and slightly shorter in their longest dimen- 



FIQ. 67. Lower nippers of 

 five-year-old horse. 



sious. The lateral nippers have also changed. They have 

 been in use nearly one year. In about two years more 

 the cups will have nearly disappeared. The corner teeth 

 are longish from front to rear, and do not show change 

 of form or indications of rounding up on the inside as 

 do the older central nippers. The cups are deep and 

 fresh, the corners are deficient, and in every way they 

 show unmistakably that they are young teeth which 



