132 COLOBUS 



GINEUS. The color of these members therefore in this species is not 

 known. 



CoLOBus GRAUEEi Dollman. 



Colobus graueri Dollman, Ann. Mag. Nat. Hist., IV, 8th Ser., 

 1909, p. 473. 



Type locality. Wabembeland, 80 kilometres west of north end 

 of Lake Tanganyika. Type in British Museum. 



Color. Superciliary line of long hairs extending backwards from 

 above eyes to ears in a broad band, black ; top of head crested, fer- 

 ruginous ; back of head chestnut ; back of neck and upper back 

 including shoulders, black and chestnut mixed ; rest of back to 

 tail and flanks, rather bright chestnut ; outer side of arms cinna- 

 mon red; hands mixed cinnamon red and black, becoming nearly 

 entirely black on fingers ; legs paler cinnamon red than arms ; feet 

 cinnamon red and black mixed ; cheeks and sides of head ferruginous ; 

 chin, throat, under parts of body, and inner side of limbs smoke gray ; 

 tail maroon red becoming dark maroon at tip; ears black. Ex type 

 British Museum. 



Measurements. Total length, 1,350; tail, 700; foot, 180. Skull: 

 total length, 117.1; occipito-nasal length, 99; interorbital width, 43.1; 

 breadth of braincase, 58.1 ; Hensel, 39.3 ; zygomatic width, 88.2 ; palatal 

 length, 42.7; median length of nasals, 17.9; length of upper canine, 

 21.2 ; length of upper molar series, 18.9 ; length of mandible, 85 ; length 

 of lower molar series, 35.9. Ex type British Museum. 



A young male differs from the above old adult male in having 

 the back from neck to rump jet black; rump brownish red; hind 

 legs brownish red like rump; back of neck black; tail brownish red, 

 tip black. 



This form is quite close to C. foai, but differs in the under 

 parts and inner side of limbs being smoky gray instead of yellowish 

 white, and in the legs being pale cinnamon red instead of a bright red. 



Colobus oustaleti Trouessart. 



Colobus oustaleti Trouess., Bull. Mus. Hist. Nat., Paris, 1906, p. 

 443. 



OUSTALETS GUEREZA. 



Type locality. Youmba country, Oubangui, Congo. 



Genl. Char. Size large ; color nearly uniform, dull ; tail long. 



Color. Top of head to middle of back blackish brown, rest of 



