Section B. PIN NAT A. 



Limto fin-shaped. 



Obdeb 7.— PINNIPEDIA.— Eared and common Seals, Wabus, Sea 

 Elephant, &c. 



„ 8.— DEINOTHERIA.— Deinotherium, Toxodon. 



„ 9.— SIEBNIA.— Manatee, Dugong, &c. 



„ 10.— ZEFGLODONTIA.— Zeuglodon, &c. 



„ 11.— CETACEA.— Whales, Dolphins, Porpoises. 



Section 0. UNGULATA. 



Limhs furnished with hoofs. 



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

 Sheep, Ox, &c. 



„ 13.— PEEIS80DACTYLA.— Horse, Tapir, Ehinoceros, Hyrax, 

 &c. 



„ 14.— PEOBOSCIDEA.— Elephant, Mastodon, &c. 



Section D. SUB-UNOULATA. 



Limbs furnished with hoof-like claws. 



„ 15.— EDENTATA.— Megatherium, Sloth, Aard-vark, Arma- 

 dillo, Ant-eater, &c. 



Sub-class II. IMPLACENTALIA. 



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

 womb. 



Obdeb 16.— MONOTEEMATA.— Australian Hedge-hog, Duck-billed 

 Platypus. 

 17.— MAESTJPIAHA.—Kangatoo, Wombat, Opossum, Native 

 Cat, &c. 



