134 COLO BUS 



Piliocolobus ferrugineus Rochebr., Faun. Senegamb., Suppl. Vert., 

 1887, p. 105, pi. CXI. (Part.). 



BAY GUEREZA. 



Type locality. "Sierra Leone"? 



Geogr. Distr. Liberia, (Johnston). West Africa. 



Color. Top of head, back of neck, upper parts of body, shoul- 

 ders and arms to elbows, and thighs, (except front), and to knees 

 jet black; cheeks dark bay overlaid with long black hairs; forearms 

 and hands, front of thighs to knees, legs and feet, throat, and under 

 parts of body bright bay ; tail at root black, hairs on remaining portion 

 dark bay at base and tipped with black, causing it to appear black 

 tinged with maroon. 



Measurements. Total length, 1,260; tail, 700; foot, 165. Skull: 

 total length, 101; occipito-nasal length, 81; Hensel, 72; intertemporal 

 width, 41 ; zygomatic width, 72> ; palatal length, 41 ; median length of 

 nasals, 12; length of upper molar series, 29; length of mandible, 68; 

 length of lower molar series, 35. Ex specimen Leyden Museum. 



CoLOBUs FULiGiNosus Ogilby. 



Colobus fuliginosus Ogilby, Proc. Zool. Soc. Lond., 1835, p. 97 ; 



Id. Libr. Entert. Know!., Menag., 1838, p. 270; Less., Spec. 



Mamm., 1840, p. 69; L Geoff., Cat. Primates, 1851, p. 17; 



Temm., Esquis. Guin., 1853, p. 24; Dahlb., Stud. Zool. Earn. 



Reg. Anim. Nat., fasc. L 1856, p. 95 ; Pousarg., Ann. Scien. 



Nat, 1895, p. 259; Id. Ill, 7me Ser., 1896, p. 163. 

 Colobus rufo- fuliginosus Ogilby, Libr. Entert. Knowl., 1838, p. 



270 ; Pousarg., Ann. Scien. Nat., Ill, 7me Ser., 1896, p. 168. 

 Colobus ferrugineus (nee Shaw), Rochebr., Faun. Senegamb., 



Suppl. Vert., 1887, p. 105, pi. III. 



FULIGINOUS GUEREZA. 



Type locality. Gambia. Type not now in British Museum. 



Geogr. Distr. Gambia, West Africa. Range unknown. 



Color. Front of head and upper part of back black ; back of 

 head and neck dark mars brown ; rump, flanks, arms to elbows, and 

 thighs smoky gray, passing gradually into the black of the back; 

 sides of face, arms below elbows, legs below knees, hands and feet, 

 tawny ; under parts dirty yellowish gray ; tail smoky gray at base, 

 then brownish yellow, apical portion pale maroon. 



Measurements. Total length, 1,265; tail, 715. Ex specimen Ber- 

 lin Museum. 



