LASrOPVGA 369 



hairs ; top of head black speckled with but? ; cheeks and sides of head 

 speckled with white and black; upper part of back grayish white 

 speckled black and white, darker than cheeks ; rest of upper parts 

 reddish chestnut, the edges towards thighs lighter, a pale ochraceous 

 rufous ; flanks paler than upper back speckled with gray and black ; 

 shoulders and outer side of arms above elbow, and entire forearms 

 and hands, black ; inner side of arms above elbows, gray ; chin and 

 throat soiled white ; entire under parts and inner side of thighs gray, 

 speckled with black ; legs gray, white speckled ; feet black ; tail iron 

 gray at base, some reddish hairs at root, remainder jet black ; ears 

 with yellowish white tufts. 



, Measurements. Total length, 1,520; tail, 770; foot, 160. Skull: 

 total length, 120 ; occipito-nasal length, 98.6 ; intertemporal width, 

 43.2 ; Hensel, 82.5 ; zygomatic width, 79.5 ; width of braincase, 58.9 ; 

 median length of nasals, 19.6 ; palatal length, 43.5 ; length of upper 

 molar series, 27.1 ; length of upper canines, 16.5 ; length of mandible, 

 86.5; length of lower molar series, 31.6. 



Lasiopyga FRANCESCO (Thomas) . 



Cercopithecus fraticesccc Thos., Ann. Mag. Nat. Hist., X, 1902, 

 7th Sen, p. 243; Pocock, Proc. Zool. Soc. Lond., II, 1907, 

 p. 706. 



Type locality. Near Mt. Waller, western side of Lake Nyassa, 

 high plateau. Type in British Museum. 



Genl. Char. Similar to L. peeussi ; color of body darker and 

 grayer. 



Color. Head, nape, shoulders, flanks and hips, dark blackish gray 

 finely grizzled with whitish ; hairs along back dark slaty gray at base, 

 then narrowly ringed with yellow, and banded with black and white; 

 inner border of ears bright reddish ; neck patch white, illy defined ; 

 elbows and knees black above ; under parts dark gray with a few white 

 rings ; tail like back at base, remainder dull black, speckled a short 

 distance from root with white. Ex type British Museum. 



Measurements. Type. Total length, 1,070; tail, 620. No skull. 



The type is an imperfect skin without skull or limbs below elbows 

 and knees. It resembles somewhat L. preussi, but is blacker on head, 

 neck and shoulders, much paler on under parts, and lower back inclin- 

 ing more to yellow than red, quite a different coloring from L. preussi. 

 The habitats of the two species are widely separated by the extent of a 

 continent. Lake Nyassa, and Cameroon. 



