134 COLOBUS 
Piliocolobus ferrugineus Rochebr., Faun. Sénégamb., Suppl. Vert, 
1887, p. 105, pl. 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, 73; 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. Knowl., Menag., 1838, p. 270; Less., Spec. 
Mamm., 1840, p. 69; I. Geoff., Cat. Primates, 1851, p. 17; 
Temm., Esquis. Guin., 1853, p. 24; Dahlb., Stud. Zool. Fam. 
Reg. Anim. Nat., fasc. I, 1856, p. 95; Pousarg., Ann. Scien. 
Nat., 1895, p. 259; Jd. III, 7me Sér., 1896, p. 163. 
Colobus rufo-fuliginosus Ogilby, Libr. Entert. Knowl., 1838, p. 
270; Pousarg., Ann. Scien. Nat., III, 7me Sér., 1896, p. 168. 
Colobus ferrugineus (nec Shaw), Rochebr., Faun. Sénégamb., 
Suppl. Vert., 1887, p. 105, pl. 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. 
