276 ALLEN’S NATURALIST’S LIBRARY. 
Cynocephalus papio, Desmar., Mamm., p. 69 (1820). 
Cynocephalus choras, Ogilby, P. Z. S., 1843, p. 12. 
Papio rubescens, ‘Temm., Esquisses Zool., p. 39 (1853); Schl., 
Ec. ps 28. 
Cynocephalus sphinx, Gray, Cat. Monkeys, Brit. Mus., p. 35 
(1870). 
Characters.—Male.—Snout tapering, longer than the upper 
lip ; face, ears, palms and soles of feet naked ; whiskers bushy, 
directed backwards, nearly hiding the quadrangular ears ; tail 
of the form usual in this genus, shorter than the body. Hair on 
back of the neck longer than on the body ; facial ridges present, 
but not very prominent ; hinder part of belly, inside of limbs, 
and chin, throat, and breast very scantily haired. 
Face, ears, naked parts of hands and feet, black ; upper eye- 
lids white ; fur of head, back, and limbs in general brownish- 
yellow—the hairs being ringed with alternate bars of black and 
light-brown ; cheeks and whiskers fawn-coloured ; throat and 
under side of body paler. Scrotum, callosities, and naked parts 
of buttocks bright flesh-coloured, but not so bright as in C. 
hamadryas. Length of body (in young male), 27 inches ; of 
tail, 20 inches. 
Female and Young Male.—Similar to adult males in coloration ; 
but less thick-set, and with a shorter muzzle. 
Distribution.—The Guinea Baboon inhabits West Africa from 
Senegal and the Niger to Central Africa. In East Africa, Mr. 
H. H. Johnston observed it in the inhabited region of Kili- 
manjaro. 
Habits.—Little is known of the habits of this species ; but it 
is improbable that it departs widely from those of the other 
