412 



A TREATISE ON HORSE-BREEDING. 



From the completion of the third year to the termination 

 of the fourth year the changes which have been described 

 in reference to the central incisors and the first and second 

 molars occur in the lateral incisors and the third and sixth 

 molars. 



At three years off the same condition of the gum which 



PIG. 9. INCISORS OF HORSE AT FOUR TEARS. 



was described in respect of the upper central temporary in- 

 cisors now appears at the necks of the lower lateral tempo- 

 rary incisors. At three years and a half some or perhaps 

 all four of the permanent lateral incisors are in the mouth, 

 and soon afterward the third and sixth permanent molars are 

 cut. 



