564 MANUAL OF MODERN FARRIERY 



causes the teeth to appear earlier or later in the 

 mouth, and in a flock of well-bred and well-fed 

 sheep, the teeth generally appear in the following 

 order of time : 



At birth, or by the seventh day, the lamb has 4 incisors, 

 tenth ,, 2 



thirtieth 2 



Temporary incisors, 8 



At three weeks the ist, 2nd, and 3rd temporary molars on 

 each side and in both jawbones appear. 



At three months the 4th molars appear, but they are per- 

 manent and not sucking teeth. 



At nine months the 5th molars (also permanent) appear. 



At one year to one and a quarter the 2 central temporary 

 incisor teeth are thrown off and replaced by the 2 central per- 

 manent. 



At one and a half year to one and three-quarters, the 2 

 middle temporary incisors are thrown off and replaced by the 

 2 middle permanent. 



At one and a half year the 6th molar (permanent) appears. 



At two years the ist, 2nd, and 3rd temporary molars are 

 thrown off and replaced by the ist, 2nd, and $rd permanent 

 molars. 



At two and a quarter years to two and a half years the 2 

 lateral temporary incisors are thrown off and replaced by the 2 

 lateral permanent incisors. 



At three years to three and a quarter the 2 corner temporary 

 incisors are thrown off and replaced by the 2 corner permanent 

 incisors. The permanent teeth of sheep are easily distinguished 

 from the temporary or sucking, by being double their size. See 

 Plate xiv, figs. 3, 4, and 5. 



