28 years, Upper Jaw. 



29 years, Upper Jaw. 



A Parrot-Mouth (iower jaw). The ten lines represent ten 

 years' growth. The marks, having never been worn, represent 

 a 6-year-old. The horse is therefore 16 years old. (This cut, 

 as well as many of the preceding, is from Brandt's "Age of 

 Horses.") 



