3 

 Section B. PIN NAT A. 



Limbs fin-shaped. 



OEDKE 7. PINNIPEDIA. Eared and common Seals, Walrus, Sea 

 Elephant, &c. 



8. DEINOTHEE1A. Deinotherium, Toiodon. 



9. SIEENIA. Manatee, Dugong, &c. 

 10. ZETJGLODONTIA. Zeuglodon, &c. 

 11. CETACEA. Whales, Dolphins, Porpoises. 



Section C. UNGTJLATA. 



Iambs furnished with hoofs. 



12. AETIODACTYLA. Hippopotamus, Pig, Camel, Deer, 

 Sheep, Ox, &c. 



13. PEEISSODACTYLA. Horse, Tapir, Ehinoceros, Hyrax, 



&c. 

 14. PEOBOSCIDEA. Elephant, Mastodon, &c. 



Section D. SUB-UNGULATA. 



Limbs furnished with hoof-like claws. 



16. EDENTATA. Megatherium, Sloth, Aard-vark, Arma- 

 dillo, Ant-eater, &c. 



SUB-CLASS II. IMPLACENTALIA. 



Animals destitute of the placenta ; the foetus not connected to the 

 womb. 



OEDEE 1G.MONOTEEMATA. Australian Hedge-hog, Duck-billed 

 Platypus. 



17. MAESUPIALIA. Kangaroo, Wombat, Opossum, Native 

 Cat, &c. 



