HORSES 251 



difficult breathing may be noticed when the horse is 

 exercised vigorously. 



Exercise. — Unsoundness in Horses. — Let pupils examine 

 a horse for unsoundness. If a horse is brought to the school 

 yard by some one, the class may assemble about the horse 

 after studying the above lesson on ''Inspecting Horses" 

 (Fig. 160). 



Exercise. — Height and Other Measures. — With an ordi- 

 nary tape line, measure the perpendicular distance from the 



Fig. 160.— Small bo\ s examining a horse for unsoiindness at the school. 

 (Agricultural Education.) 



top of the withers to the ground. How many hands high 

 is the horse ? Compare the length of the head, from tip of 

 nose to poll or crown, with the length of back from 

 the withers to the hips. Two different horses may be 

 compared as to width of hips, width of breast, girth, 

 length of leg, and other corresponding parts which indicate 

 symmetry. 



Exercise. — Age of Horses. — Let some pupils put on the 

 blackboard the diagrams of the incisors of the horse to show 



