268 Allen's naturalist's library. 



insulted and put into a furious rage by his keeper, who after- 

 wards made friends with him, Mr. Darwin relates that, "as the 

 reconciliation was effected, the Baboon rapidly moved up and 

 down his jaws and lips, and looked pleased. When we laugh 

 heartily, a similar movement or quiver may be observed more 

 or less distinctly in our jaws ; but with Man the muscles of the 

 chest are more particularly acted on ; whilst with this Baboon, 

 and with some other Monkeys, it is the muscles of the jaws 

 and lips which are spasmodically affected." 



VII. THE THOTH BABOON. PAPIO THOTH. 



Cynocepha/iis f/iof/i, Ogilby, P. Z. S., 1843, p. 11; Frazer, Zool. 

 Typica, pi. 5 ; Gray, Cat. Monkeys Brit. Mus., p. 35 



(1870). 



Cyiiocephalus babiii?i (nee Desm.), Riipp., Neue Wirbelth. 



Saugeth., p. 7 (1835-1840). 

 ? Papio hamadryas,Sc\\\., Mus. Pays Bas, vii., p. 129, 1876, in 



part. 

 Characters.— Male. — Body massive, thick-set; face broad; cheek- 

 bones protuberant ; the nostrils placed at the extremity of the 

 truncated snout ; nose as long as, but not exceeding, the upper 

 lip. Hair of head and neck longer and thicker than on the rest 

 of the body, but not forming a mantle-like mane as in C. hama- 

 dry as; the hair of the legs and outer portion of the thighs and 

 of the toes long ; whiskers not intruding far on the face, and 

 directed backwards, less copious than in the Arabian Baboon ; 

 ears naked, pointed ; soles and palms also naked ; callosities 

 large, hips naked. Tail nearly the length of the body, not 

 tufted at the termination. 



In colour somewhat similar to C. sphinx, and closely aUied 

 to C. babiiin. Face livid flesh-colour, lighter on the ridge of 



