60 



Pajeros Gray. 

 Chaus Gray. 

 Aelurina Gerv.=Ailurogale Fitz. 



Felis Gray. 



B. GTTEPARDINAE. 



Gueparda Gray. 



C. MACHAEE.ODONTINAE. 



All extinct. 



Drepanodon Nesti, Bronn. 

 Jfachcerodus Kaup, Bronn. 

 Smilodon Lund, Bronn. 



Pseudcelurus Gerv. 

 Trucifelis Leidy. 

 ? Dinictis Leidy. 

 ? Aelurodon Leidy. 



Other Felidae of Extinct Genera. 



Cryptoprocta Bennett. 



Proteles I. Geoff. 



X. CRYPTOPROCTIDAE. 



Single Genus. 



XI. PROTELIDAE, 



Single Genus. 



XII. HYAENIDAE. 



Genera. 



Hyaena Linn. 

 Crocuta Gray. 



XIII. VIVERRIDAE. 



SUB-FAMILIES. 



I. Auditory bulla divided by an oblique groove into two portions ; an an- 

 terior with the auditory meatus, and a posterior more inflated and larger 

 portion. (Flower.) Toes short, regularly arched; the last phalanges 

 bent up, withdrawing the claws into a sheath ; claws sharp. (Gray, s. 

 Aeluropodae.) 



A. Nose simple, flat, bald, and with a central groove beneath. Gray, s. 

 Viverrida. 



I. Digitigrade: the under-side of the hind feet hairy, except the pads, 

 metatarsus, and sometimes a small part of the tarsus. Upper flesh- 

 tooth elongate ; upper tubercular grinders small, transverse. Gray. 



a. Body robust ; tubercular grinders two above, one below on each 

 side (f-t). Gray. 



VIVERRINAE. (A.) 



