270 CERCOCEBUS 



ALBiGENA he left it as probably a subspecies, but without a name. In 

 the Berlin Museum he found additional skins and skulls, which proved 

 that the form was entitled to a subspecific rank. While the skull, 

 according to Herr Schwarz's description given above, does not present 

 any very strongly marked distinctive characters, yet the differences 

 mentioned, together with the paler coloration of the pelage would 

 seem to be sufficient for its recognition as a subspecies. 



Ceecocebus ateerimus (Oudemans). ' 



Cercopithecus aterrimus Oudem., Zool. Gart., XXI, 1890, p. 267. 

 Cercocebus aterrimus Sclat., Proc. Zool. Soc. Lond., 1893, p. 256, 



(note) ; 1903, p. 191 ; Jent., Proc. Zool. Soc. Lond., 1895, p. 



338; Delme-Rad., Proc. Zool. Soc. Lond., 1905, p. 187; 



Forbes, Handb. Primates, II, 1894, p. 40; Pocock, Ann. 



Mag. Nat. Hist., XVIII, 7th Sen, 1906, p. 283; Schwarz, 



Ann. Mag. Nat. Hist., 1910, 8th S^., p. 530. 

 Cercocebus congicus Sclat., Proc. Zool. Soc. Lond., 1899, p. 827, 



fig. ; Pocock, Ann. Mag. Nat. Hist., 1906, 7th Ser., p. 285 ; 



Schwarz, Ann. Mag. Nat. Hist., 1910, 8th Sen, p. 527. 

 Cercocebus albigena rothschildi Lydekk., Novit. Zool., VII, 1900, 



p. 596; VIII, 1901, pi. I, fig. 2; Pocock, Ann. Mag. Nat. Hist., 



1906, 7th Ser., p. 284 ; Schwarz, Ann. Mag. Nat. Hist., 1910, 



8th Ser., pp. 528, 530. 

 Cercocebus hamlyni Pocock, Ann. Mag. Nat. Hist., 1906, 7th Ser., 



p. 208, pi. VII; Schwarz, Ann. Mag. Nat. Hist., 1910, 8th 



Ser., pp. 527, 530. 



BLACK MANGABEY. 



Type locality. Stanley Falls, River Congo. Type in Leyden Mu- 

 seum. 



Geogr. Distr. Basin of Central Congo. 



Genl. Char. Crest, vertical and pointed, placed on center of 

 crown ; no mantle ; whiskers long ; no brow fringe. 



Color. Whiskers, point of shoulders, chest, and inner side of 

 arms above elbows brownish black ; throat grayish ; rest of pelage, 

 head, body, limbs, hands, feet, and tail black. A young individual. Ex 

 type Leyden Museum. 



The type of this species is only about half grown and died in the 

 Zoological Gardens at The Hague in 1890, and was stated to have come 

 from Stanley Falls, Congo. It has not attained altogether the full 

 colored pelage of the adult, and the whiskers are brownish black 

 instead of grayish brown, and those in the adult are long and hide the 



