THE RABBIT 215 



Order 5. Cetaceans; body fishlike in shape; no hind limbs. 



Cete : Whale. 

 Order 6. Body fishlike in shape; teeth like those of ruminants. 



Sirenia : Manatee. 

 Order 7. Snout prolonged into a proboscis. 



Proboscidea : Elephant. 

 Order 8. Long curved incisor teeth ; feet with pads ; toes hoofed. 



Hyracoidea : Hyrax. 



Order 9. Toes hoofed Ungulata: Horse, Ox. 



Order 10. Teeth pointed for tearing flesh ; claws large. 



Carnivora: Dog, Cat. 



Order 11. Nails usually present; walking on all fours; or 



using fore legs as hands ; or erect and walking on the hind legs. 



Primates : Monkey, Ape, Man. 



Summary. — The rabbit is taken as a type of the class 

 mammals, or milk givers. It is a highly specialized ani- 

 mal. Make a list of the specializations you have observed, 

 and tell the advantages or disadvantages of each. Is it 

 solitary or gregarious? How does this benefit it? Has 

 the rabbit a good method of defense against enemies ? What 

 method of escape does it select? What animals are 'its ene- 

 mies ? Since it is hunted by so many animals, and has such 

 a poor means of defense, why does it not become extinct? 

 (Reproduction.) What preparation does it make for its 

 young? Docs it care for its young? What is its food in 

 summer? In winter? Is it injurious or beneficial to man? 

 Why? 



