of the Animals of the Farm. 



27 



tlie mouth of " Peep-o'-day Boy " in 1852. The horse was foaled 

 in 18-44. 



From eiijlit io ten years old the changes occasioned by the 

 wear to which the teeth have been subjected are not suflficiently 

 regular to enable the examiner to speak positively as to the 

 exact age, but during this period the cavity in each lower cen- 

 tral incisor is worn out, and only a small circle of enamel in the 

 tables of the central incisors remains to indicate its position- 

 In the corner teeth at ten years old the central enamel has 



Fig. IS. — Incisors of Mare {"Solace ") at ten years. 



become round, or nearly so, as shown in the above drawing 

 (Fig. 18) of the mouth of " Solace," a steeplechase mare, 

 foaled in 1842. The teeth are depicted exactly as they appeared 

 in the summer of 1852, and fairly represent the characters of 

 the ten-year-old mouth. 



At the age of ten years further evidence may, if necessary, 

 be obtained by referring to the groove at the upper part of the 

 corner incisor in the top jaw. At page 5 it was stated that 

 Mr. Sidney Galvayne's system of judging the age of the horse 

 proposes to define the age up to thirty years. The method, as 



