Laboratory Exercises 351 
quarters. Stand with hind feet on the scales and the front on 
ground, weigh his hindquarters. What percentage of total weight 
are each of these? If possible, stand the animal so that his hind 
feet will be lower, and weigh the forequarters in this position. 
Lower the front feet and weigh the hindquarters. Does this change 
the percentage? Has this any bearing on an animal traveling 
uphill? 
7 6. SouNDNESS 
Object. To learn to tell an unsound horse. 
Materials. An unsound horse. s 
Directions. Carefully examine the animal and locate as many 
undesirable points as possible (see p. 38). 
Fic. 140.—Parts of harness: 1, bridle having the following pieces: u, bit; b, nose 
band; c, chin band; d, cheek straps; e, blinds; f, winker braces; g, brow band; 
h, crown band; 4, gag swivel; j, side check; k, throat latch; 2, lines; 3, collar; 
4, hames; 5, hame tugs; 6, traces; 7, martingale; 8, saddle; 9, girth; 10, shaft 
tug; 11, backstrap; 12, crupper; 13, hipstrap; 14, breeching; 15, holdback strap. 
