3S4 LASIOPYGA 



Lasiopyga POGONiAS (Bennett). 



Cercopithecus pogonias Benn., Proc. Zool. Soc. Lond., 1833, p. 

 67; Less., Spec. Mamm., 1840, p. 74; Martin, Mammif. 

 Anim., 1841, p. 543; Reichenb., Vollstand. Naturg. Affen, 

 1862, p. 109; Gray, Proc. Zool. Soc. Lond., 1868, p. 182; Id. 

 Cat. Monkeys, Lemurs and Fruit-eating Bats, Brit. Mus., 

 1870, p. 23'; Schleg., Mus. Pays-Bas, Simise, 1876, p. 82, 

 (Part.) ; Sclat., Proc. Zool. Soc. Lond., 1893, p. 254; Forbes, 

 Handb. Primates, 1894, p. 78; Pousarg., Ann. Scien. Nat., 

 Ill, 7me Ser., 1896, p. 212; Pocock, Proc. Zool. Soc. Lond., 

 II, 1907, p. 713. 



BEARDED GUENON. 



Type locality. Fernando Po, West Africa. 



Geogr. Distr. Fernando Po, Gaboon, Ogowe and Oubangui 

 rivers ; forests of Mayumbe, Sette Cama, French Congo ; West 

 Africa. 



Genl. Char. Forehead yellow, only a few black hairs on the 

 middle ; black dorsal stripe present from center of back to tail. 



Color. Forehead between eyes, hairs buff, some tipped with 

 black ; black stripe from eyes over temples to ear ; top and back of 

 head, upper back, sides of body, outer side of arms speckled black 

 and buff or gray; the hairs being gray and the grayish white speckle 

 most apparent on shoulders, arms and flanks ; from center of back 

 to tail runs a broad jet black band ; thighs yellowish brown tinged with 

 red ; sides of face and neck sooty gray, sparsely speckled with yel- 

 lowish or grayish white ; chin and throat sooty ; under parts of body 

 and inner side of limbs rusty red ; tail black at root above, then mixed 

 black and ochraceous, rest jet black, beneath tawny ochraceous, apical 

 half black; hands and feet black. 



Measurements. Total length, 1,397; tail, 889; foot, 152.4. Skull: 

 total length, 100; occipito-nasal length, 86; Hensel, 67; intertemporal 

 width, 43; palatal length, 36; zygomatic width, 73; breadth of brain- 

 case, 57; median length of nasals, 16; length of upper molar series, 

 23 ; length of mandible, 62 ; length of lower molar series, 29. 



Lasiopyga pogonias nigripes (Du Chaillu). 



Cercopithecus nigripes Du Chaillu, Proc. Bost. Soc. Nat. Hist., 

 VII, 1860, p. 360; Gray, Proc. Zool. Soc. Lond., 1861, p. 

 274; 1868, p. 182; Reichenb., Vollstand. Naturg. Affen, 1862, 

 p. 110; Sclat, Proc. Zool. Soc. Lend., 1893, p. 254; Forbes, 

 Handb. Primates, II, 1894, p. 78. 



