30 cebtdjE. 



23. MORMON. 



Tail very short, bald beneath, erect. Face grooved, bright- 

 coloured when adult. Limbs strong. 



Mandrill, Cuvier. Mormon, Lesson. Papio, Gray, List Manim. 

 B.M. 



Mormon niaimon. The Mandrill. B. M. 



Black, yellow-ringed ; middle of crown, dorsal line, hinder edge 

 of mane, and sides of body blacker ; sides of mouth pale. 



Chorns, Buffon, II. N. xiv. 1. 16, 17 ; Supp. xvi. t. 9. Simia maimon, 

 Linn. S. mormon, Linn. S. madarogaster, Zimni. 



Young. Nose black. 



Simia maimon, Schreb. S. sphinx, Shaw. 



Ilab. Africa ; Gaboon. 



The Mantiger of Bradley (the Tufted Apo of Pennant) is from a 

 specimen of this animal, which had been partly shaved; and the 

 Goat Monkey, Pennant, is ono which had a tail added to it when 

 stuffed. 



Family III. CEBIDiE. 



Nostrils opening on the sides of the nose, separated by a broad 

 space. Grinders -| . |- or ■£ . -| acutely tubercular. Cheek-pouches 

 none. Buttocks hairy. Tail long, hairy, often prehensile, very 

 rarely short. Thumb distinct, but rarely opposable to the fingers. 

 Hob. America, tropical or subtropical. 



The nostrils of Nyctipithecus are near, as in. the old-world mon- 

 keys ; but in the teeth and all other characters it is like the Cebidce. 



Synopsis of Tribes and Genera. 



Section A. Gymnura. The tail elongate, prehensile, strongly revolute ; 

 under surface of the tip naked, callous. Cutting-teeth erect ; grinders 

 £ .£. The nostrils fir apart. 



Tribe I. Mycetina. The throat swollen. Windpipe dilated. Hinder 

 part of lower jaw much dilated. 



1. Mycetes. 



Tribe II. Lagotiuchina. The throat not swollen. Windpipe not dilated. 

 Hinder part of lower jaw not, or only moderately, dilated behind. 



2. Ateles. Fur rigid, harsh. Claws guttered. Thumbs rudimentary, or 



none. Lower jaw not dilated. Nostrils far apart. Hair of crown 

 directed forwards. 



8. BnACiiYTEEES. Fur woolly, soft. Thumbs rudimentary, or none. 

 Lower jaw moderately dilated behind. Claws compressed. Nostrils 

 far apart. Hair of crown directed backwards. 



4. LAGOTnnrx. Fur woolly, soft. Thumbs developed. Lower jaw mo- 



