94 LLOYD S NATURAL HISTORV. 



Colohiis ursinus, Ogilby, P. Z. S., 1835, p. 98 ; Less. Spec. 

 Mamm., p. 70 (1840); Martin, Mammif. Anim., p. 495 

 (1841) ; Fraser, Zool. Typ., pi. i. (1849); Is. Geoffr., Diet. 

 H. N., iv., p. 208 (1849); Sclater, P. Z. S., i860, p 

 245; Reichenb. Naturg. Affen, p. 86 (1862); Schl., 

 Mus. Pays-Bas, vii., p. 24 (1876). 



Colobus personatus, Temm., Mus. Lugd., fide Reichenb. t.c.^ p 

 88 (1862). 



Colobus polycomus, var., Gray, Cat. Monkeys Brit. Mus., p. 18 

 (1870); Rochebr., Faun. Seneg., Suppl. Mamm., p. 117, 

 pi. viii. (1887), Matschie S.B. Ges. Natur. Fr. Berlin, 

 1892, p. 227. 



Guereza ursinuSy Trouess., Consp. Mamm., p. 10 (1879). 



Characters.— Body large ; fur long and glossy ; face and ears 

 naked and black ; fur on neck, shoulders, and along the back 

 forming a mantle ; fur over the whole of the body and limbs 

 deep black ; front and back of head, auricular region, sides of 

 the neck and throat, greyish-white, mingled with greyish-black ; 

 the tail long, short-haired, white at the extremity. 



Young. — White, with a few scattered black hairs; tail well 

 tufted. 



Distribution. — West Africa : Sierra Leone. 



N.B. — Sinoe is the most easterly region whence skins come 

 to the coast. 



Habits. — This species is often found alone, not in large troops. 

 It is more rare in collections than C, ferriiginetts, 



Vn. THE WHITE-THIGHED GUEREZA. COLOBUS VELLEROSUS. 



Semnopithecus vellerosus. Is. Geoffr. in Belang. Voy. Mamm., p. 

 37 (1830). 



