214 ANIMAL ACTIVITIES. 
Using the same questions as have been used con- 
cerning the cat, except such questions as obviously do 
Fic. 171.—Skull of Cow Showing Teeth. 
not apply, write a description of the horse. Answer 
also these additional questions: 
SCLEROTIC COAT. 
CHOROID COAT 
CILIARY MUSCLE 
CORNEA 
AQUEOUS HUMOUR 
UPIL 
Fic. 172.—The Human Eye. 
How does the food of a horse differ from that of a 
cat? How do the teeth differ in shape? 
