474 



AMERICAN FARMER'S HORSE BOOK. 



show the effects of wear. At eight y^rs, the kernel is worn 

 away from all the nippers of the lower .jaw, and is becoming 

 much less conspicuous in the central pair of the upper jaw, 

 or in the wholly stable-fed horse has disappeared altogether. 

 During the ninth year, what remains of the kernel, if aay 

 thing, in the central pair of nippers in the upper jaw, is ^rn 



LOWER NIPPKES, ETC. ^^ ^ VERY OLD HORSE. 



away, the hook on the cori^r teeth increases in size, and the 

 tushes lose their points. ^^^ tenth year witnesses the dis- 

 appearance of the kernf ^^om the second pair of nippers in 

 the upper jaw, and th eleventh from the corner teeth also. 

 At twelve years old *^® crowns of all the front teeth in the 

 lower jaw have bee^^^ triangular, and the tushes are much 

 worn down. 



As the horse ^^ntinues to grow older, the gums, in conse- 

 quence of a grM^al process of absorption, shrink away from 



