410 



A TREATISE ON HORSE-BREEDING. 



ing a striking contrast to the worn temporary teeth on each 

 side of them. The new permanent teeth at this age are not 

 more than half-way up, and there is consequently a consid- 

 erable space between the upper and lower teeth when the 

 temporary teeth are in apposition. 



When the horse has reached the age of two years and 

 nine months the four permanent incisors will be in actual 



FIG. 7. INCISORS OF CART FILLY AT TWO YEARS. 



contact, at least in regard to their anterior edges, when the 

 mouth is closed; but on examining the tables it is apparent 

 that no wear has taken place, and the posterior edges of 

 the teeth are not yet level with the anterior. 



At three years old the central permanent incisors are 

 fully developed and the anterior edges show a narrow line 

 of worn surface. The posterior edges are level with the an- 

 terior, but are not worn to the same extent. 



