THE POINTS OF THE HORSE, ETC. 



Z7 



in with tooth substance of a lighter colour than the remainder, and when 

 the wear reaches this level, it appears on the table of the tooth as a small 

 white spot in the centre, or in front of the mark, if that has not already 

 disappeared. 



The horse's teeth, unlike those of man or the dog", do not grow to a Growth of 

 certain length and remain so. On the contrary they continue to grow teeth. 



Fig. 6. 

 Three years old. Central teeth well up but not worn much. 



and be worn away until old age. As they get older definite changes are 

 observed in their shape and appearance, and it is owing to these characters 

 that they form such a good guide to the animal's age. 



The age of thoroughbred horses is calculated from January ist, all Dates from 

 others from May ist. - ^^^ich 



^ horses are 



aged. 



