40 



BeniitioH as hidlcative of the Age 



well up ; but no signs of the cutting of the middle incisors are 

 to be seen, and when animals are exhibited in this class with 

 four broad teeth well developed, no hesitation need be felt in 

 certifying that the state of the dentition indicates the animal to 

 be above the stated age. 



From two years and two months to two years and s'x unontlts 

 the second pair of broad teeth, the middle permanent incisors, 

 are cut and occupy the place of the corresponding temporary 

 teeth in all the cultivated breeds. Instances of late dentition 



Fig. 35. — Incisors of Ox at two years and three months to two 



years and six 7nonths. 



presenf themselves from time to time, in which the middle per- 

 manent incisors are not cut until the animal is approaching 

 three years old. There is consequently a possible variation of 

 several months in the time of the appearance of these teeth. 



In the above illustration (Fig. 35) the ordinary condition of 

 the incisors at two years and six months is shown, but it is impor- 

 tant to note that the incisors may present the same appearance 

 at two years and three months. Under these circumstances a 

 definite opinion can only be given after a careful examination of 

 the molar teeth. 



At two vears and two or three months the change of the 



