AFRICAN ZOOLOGY. 



PAUT I. 

 Order QUADRUMANA. 



Three kinds of teetli — incisors, canines, and molars ; four 

 extremities terminated by hands, with the thumb separate from 

 the other fingers, and more or less opposable to them ; fingers 

 long and flexible ; two or four pectoral mammae ; clavicles com- 

 plete ; bones of the arms and legs distinct, and susceptible of 

 the motions of pronation and supination ; male organs of gene- 

 ration external ; stomach membraneous simple ; intestines of 

 medium length, with a small caecum ; orbital and temporal 

 fossae distinct. 



Fam. SIMIADiE, 



Form approaching more or less to that of man ; four inclined 

 incisors in each jaw ; nose more or less prominent ; nostrils more 

 or less separated from each other ; two pectoral mammae ; 

 orbital and temporal fossae distinct ; nails of the fingers flat. 



Genus Troglodytes. Geoff. 



Incisors \, canines ] \, molars § I — 32. Canines little projecting, 

 contifjuous to the incisors and molars, as those of man ; head 

 rounded; muzzle little projecting; superciliary ridge prominent; 

 fascial angle 50"; arms almost proportioned to the legs, reaching 

 to the hip joints : thumbs long; no tail, cheek pouches, inter- 

 maxillary bones, nor callosities on the buttocks. 



Troglodytes nigcr. Desm. (Chimpansc.) Body covered with 

 long black and thinly scattered hair, that on the shoulders 



N 



