77 

 has an irregular appearance, the edges of the upper 

 central incisors not being level with the tables of the 

 lateral milk teeth. The lower central incisors, when 

 the upper milk teeth are lost, generally are loose, and 

 their gums inflamed ; but a month or sometimes six 

 weeks may elapse before these are gone : by that time 

 the upper permanent teeth have grown considerably. 

 When the central milk incisors have disappeared, the 

 molars begin to change, and those of the upper jaw 

 are the first uncovered ; not in any regular order, or 

 the two teeth on the same day, but generally the 

 first molar before the second, the wolf's teeth mostly 

 departing at the same time. A week or two sub- 

 sequent, the first two permanent molars of the lower 

 jaw are laid bare, so that at or about the ninth 

 month, the horse has all those teeth, which denote 

 the animal to be three years old, fairly in the mouth ; 

 that is, he has between the second and third year cut 

 four horse incisors and eight permanent molars. 

 Lest the description should not be perfectly clear, or 

 such as to enable the reader to readily understand 

 which teeth by this time are shed, a drawing of the 

 head of an adult animal, which forms the frontispiece 

 of this work, was designed. It will enable the reader 



