36 -  OEBIDE. 
23. MORMON. 
Tail very short, bald beneath, erect. Face grooved, bright- 
coloured when adult. Limbs strong. 
Mandrill, Cuvier. Mormon, Lesson. Papio, Gray, List Mamm. 
Mormon maimon. 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. 
Choras, Buffon, H. N. xiv. t. 16,17; Supp. xvi.t.9. Simia maimon, 
Linn. §S. mormon, Linn, S, madarogaster, Zimm. 
Young. Nose black. 
Simia maimon, Schreb. 8S. sphinx, Shaw. 
Hab. Africa; Gaboon. 
The Mantiger of Bradley (the Tufted Ape of Pennant) is from a 
specimen of this animal, which had been partly shaved; and the 
Goat Monkey, Pennant, is one which had a tail added to it when 
stuffed. 
Family IJ. CEBIDA. 
Nostrils opening on the sides of the nose, separated by a broad 
space. Grinders $.8 or $.§ acutely tubercular. Cheek-pouches 
none. Buttocks hairy. ail long, hairy, often prehensile, very 
rarely short. Thumb distinct, but rarely opposable to the fingers. 
Hab. 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 Cebide. 
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 
£.3, The nostrils far apart. ; 
Tribe I. Mycrtina. The throat swollen. Windpipe dilated. Hinder 
part of lower jaw much dilated. 
1. Mycrres. 
Tribe II. Lagotnicuina. The throat not swollen. Windpipe not dilated. 
Hinder part of lower jaw not, or only moderately, dilated behind. 
2. ArELEs. Fur rigid, harsh. Claws guttered. Thumbs rudimentary, or 
none. Lower jaw not dilated. Nostrils far apart. Hair of crown 
directed forwards. 
8, BRACHYTELES. - Fur woolly, soft. Thumbs rudimentary, or none. , 
Lower jaw moderately dilated behind, Claws compressed. Nostrils 
far apart. Hair of crown directed backwards. 
4. Lagorunix. Fur woolly, soft. Thumbs developed. Lower jaw mo- 
