350 



CLASS MAMMALIA. 



III. The Guenons. Head flattish ; muzzle slightly pro- 

 minent (60°); long tail, not prehensiler Gheek-pouches ; 

 callous buttocks. 



The Mone, (Simia Mona.) 



IV. The Macaques. Flattened head; prominent muz- 

 zle (45°), cheek-pouches; posterior callosities. 



The Macaque, (Simia Cynomolgos.) 



V. The Baboons. Long muzzle (50°), cheek-pouches, 

 callous buttocks, short or no tail. 



The Mandrill, {Simia Maimon.) 



VI. The Alouattes. Pyramidical head, lower jaw con- 

 siderably elevated, long prehensile tail, without cheek- 

 pouches or callosities. 



The Alouatte. (Simia Beelzebut.) 



Lacepede in his table of the Mammalia appears to have 

 followed pretty nearly the same division. His method is 

 this : 



Quadrupeds, properly so called. 



First Subdivision. 



The fore-feet in the form of hands. 



QUADRUMANA FIRST ORDER. 



Teeth incisive, canine, and molar. 



1; f Four incisive teeth in each jaw; facial an- 



I 

 Ape. < gle 65°, no cheek-pouches nor tail. 



Simia. [ The Satyr Ape. Simia Satyrus . 



Four incisive teeth in each jaw ; facial an- 

 Guenon. I gle 60°, cheek-pouches; tail; callous poste- 



Cercopi 

 thecus. 



riors. 



Long-nosed Guenon. Cercopithecus Nasica. 



