f^2/ 2 to 3 Years 



to 4 Years 



1...4'/ 2 to 5 Years 

 Sketch of the permanent incisors, indicating the order in which they 

 appear in pairs. The central pair of permanent incisors in both the upper 

 and lower jaws appear when the horse is about two and one-half or three 

 years of age, the next pair replace the temporary incisors when the horse is 

 about four years of age, and the outside pair, making -a full mouth, usually 

 appear at five years of age. 



FIVE YEARS 

 LOWER INCISORS 



Six YEARS 

 LOWER INCISORS 



SEVEN YEARS E|GHT YEARS 



LOWER INCISORS 

 LOWER INCISORS 



At five years it will be noticed that the marks are very distinct and tne 

 tables worn but slightly in all of the incisors. At six years the center pair 

 In the lower jaw show some wear, the mark becoming smaller. At seven 

 years the second pair have nearly lost their marks, while at eight the third 

 or outside pair show considerable wear with but a trace of the mark. 



