COMPENDIUM OF GENERIC DISTINCTIONS. 



655 



Genus. — Hyrax. 



1—1 



Teeth. — I. - — , canines none, molars six or seven on each side 

 2—2 



of each jaw. Fore-feet with four toes, hind with three. Hoofs 



small and flat, somewhat resembling claws. Tubercle for tail. 



Habitat. — Asia and Africa. 



Sub-family. — Hippopotamina. 



3 2 



Teeth. — I. , the two lower projecting forward. Canines 



3-2 6-6 



large. Molars in adult . 



6 6—6 



Feet with four toes. Short hoofs. Tail short. 



Genus. — Hippopotamus {as the Sub-family). 

 Habitat. — Southern Africa. 



Order.— EDENTATA. 



Teeth, none in forepart of jaws, sometimes wholly wanting. 

 When present they are not enamelled, and are rootless. Feet 

 furnished with strong curved claws. 



Family.— Dasyviom. 



Teeth, when present, small and similar. Head produced and 

 snout long and narrow. 



Sub-family. — Manina. 



Teeth none. Body and tail covered with horny, sharp-edged 

 scales, overlapping each other. Tongue round, and very long. 

 Tail long. 



Genus. — Manis (as the Subfamily). 

 Habitat. —Asia and Africa. 



Sub-family. — Dasypina. 



Teeth small and cylindrical, rootless in both jaws. Body cov- 

 ered with rows of scales, arranged in bands ; hair between the 

 scales and bands. 



Genus. — Dasypus. 



Feet with five toes. Tail short. Body very convex. 

 Habitat. — South America. 



Sub-family. — Myrmecophagina. 

 Teeth none. Body covered with thick, coarse hair. Tail long. 



Genus. — Orycteropus. 



Teeth. — I. , C. , M. , or ' when 



0-0 0-0 6—6 5—5 



form is cylindrical and their crowns flat. 



Limbs. — Fore-feet with four toes, hind with five. Claws very 

 powerful, adapted for digging. 

 Tail moderate and covered with hair. 



Genus. — Myrmecophaga. 



Fore-feet with four toes, hind with five. 

 Habitat. — South America. 



Genus. — Tamandua. 



Distinguished from Myrmecophaga by the shorter head and 

 plumeless tail. 



Genus. — Cyclothiirus. 



Fore-feet with two toes, hind with four. Nose not so long as 

 in preceding genus. Ribs very broad and flat, overlapping each 

 other. 



Habitat. — South America. 



Sub-family. — Ornithorhyneina. 



Teeth horny, or none. Hind-feet in males with hollow spur. 

 Feet with five toes, and short. Snout long, and covered with 

 naked skin. 



Genus. — Platypus. 



2—2 



. Their 



Teeth - — -, flat and horny, without fangs. Snout flattened like 



duck's bill. Lower jaw shorter and narrower. Body covered 

 with soft hair. Tail broad and flattened. 

 Habitat. — Australia. 



Genus. — Echidna. 



Teeth none. Snout long, slender, and rather pointed ; and very 

 little mouth. Tongue long and extensile: Feet with large, curved 

 claws. Tail short. Body covered with spines, mixed with hairs. 



Habitat.— Australia. 



Family. — Bradtpid.e. 



Head flat and short. Legs lo:ig, and furnished with large, 

 curved, compressed claws. 



Genus. — Clioloepus. 



First molar tooth long, and like a canine. Fore-feet with two 

 toes. Tail none. 

 Habitat.— West Indies. 



Genus. — Brady pus. 



5 5 



Teeth of adult. — M. , separate and cylindrical. Ears very 



4 — i 



short. Fore-feet with two or three toes, hind with three, joined 



as far as the claws. Tail none, or very short. 



Habitat. — South America. 



