hS6 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [2] 



h. Species used for food. 



c. Species employed in medicine. 



d. Species which furnish products to the industries and arts. 



III.— THE ORDERS AND SUBORDERS OF EXISTING MAM- 

 MALS. 



The following orders and suborders are recognized : 

 Order Monotremata. Monotremes. 

 Order Marsupialia. Marsupials. 

 Order Edentata. Edentates. 



Suborder Pilosa. The Sloths and Anteatera. 



Suborder Loricata. The Armadilloes. 



Suborder Squamata. The Pangolins. 



Suborder Tubulidentata. The Aard Varks. 

 Order Sirenia. Sea-cows. 

 Order Cetacea. Cetaceans. 



Suborder Mystacoceti. The Baleen-whales. 



Suborder Or>ONTOCETi. The Toothed-whales. 

 Order UnGtULATA. Ungulates. 



Suborder Artiodactyla. The Even-toed Ungulates. 



Suborder Perissodactyla. The Odd-toed Ungulates, 



Suborder Hyracoidea. The Conies. 



Suborder Proboscidea. The Elephants 

 Order Rodentia. Rodents. 



Suborder Simplicidentata. The Squirrels. 



Suborder Duplicidentata. The Hares. 

 Order Chiroptera. Bats. 



Suborder Megachiroptera. The Fruit-eating Bats. 



Suborder Microchiroptera. The Typical Bats. 

 Order Insectivora. Insectivores. 



Suborder Dermoptera. The Flying-cats. 



Suborder Insectivora- vera. The Typical Insectivores. 

 Order Carnivora. Flesh-eaters. 



Suborder Pinnipedia. The Sea-lions and Seals. 

 Suborder Fissipedia. The Terrestrial Carnivores. 



Order Primates. Primates. 



Suborder Lemuroidea. The Lemurs. 

 Suborder Anthropoidea. Monkeys and Man. 

 These orders and suborders will be represented by colored illustra- 

 tions of typical species. 



