THE AGE OF THE HORSE 97 



is by self-observation upon the mouth of a 

 colt between 2^ and 3 or 4 years, when 

 both forms of teeth will be observable for 

 comparison. 



The incisor teeth are spoken of as 

 Centrals, Laterals, and Corners, in accord- 

 ance with the positions they occupy in the 

 mouth, the terms being sufficiently explanatory 

 to indicate this. 



Shortly after birth the foal has a couple of 

 " central " teeth in each jaw, followed by the 

 appearance of the laterals within the next six 

 or eight weeks. 



From this time up to about eight months 

 the only change taking place comprises the 

 development of the centrals and laterals, but 

 at or about eight months the corner incisor 

 teeth appear, all, of course, "paired " in both 

 jaws, the difference in appearance as to time 



