LASIOPYGA 331 



intimately connected, that the differences they exhibit would seem to 

 indicate, that, in the unexplored stretches of country lying between 

 their present known habitats, such intermediates would eventually be 

 procured. 



LaSIOPYGA tantalus GRISEISTICTA (ElHot). 



Cercopithecus tantalus griseistictus Elliot, Ann. Mag. Nat. Hist., 

 IV, 8th Ser., 1909, p. 259. 



Type locality. Bambara, Welle River. 



Geogr. Distr. Mountains west of Lake Albert Edward to the 

 Welle River. Type in British Museum. 



Genl. Char. Like L. t. budgetti on upper parts, but hands and feet 

 grizzled gray, fingers and toes silvery gray. 



Color. Face and chin black, paler around eyes ; nose, foreparts 

 of cheeks, lips and chin covered with short black hairs ; broad white 

 brow band of stiff erect hairs, with a narrow line in front between eyes 

 of black stiff hairs ; some long stiff black hair? from corner of eye 

 directed backward and lying between whiskers and hair of head ; top 

 of head, hairs black from root and tipped with ochraceous this being 

 the dominant color on head ; back of neck and upper back the hairs 

 gray speckled with yellow and black ; dorsal line and lower back and 

 rump darker, speckled with black and buff ; shoulders like upper back ; 

 outer side of arms and hands, legs and feet, gray speckled with black 

 and white; the arms near shoulders, and thighs near hips, speckled 

 with yellow and black ; whiskers very long extending beyond and hiding 

 the ears, yellowish white, some of the upper hairs banded with black 

 on apical part; sides of neck, throat, entire under parts of body and 

 inner side of limbs grayish white ; rufous hair about scrotum ; flanks 

 paler than upper parts ; hairs speckled with yellow and black ; tail 

 above, speckled yellow and black for half the length, rest broccoli 

 brown, beneath with a tuft of white hairs on each side at root, gray 

 for a third of the length, remainder broccoli brown. No tuft. Iris 

 brown. Ex type British Museum. 9 



Measurements. Total length, 1,200; tail, 720; foot, 135. Skull: 

 total length, 113.2; occipito-nasal length, 95.5; intertemporal width, 

 44.7; Hensel, 40.5; zygomatic width, 77.5; breadth of braincase, 56.4; 

 median length of nasals, 21.2; palatal length, 40.3; length of upper 

 molar series, 27.8; length of upper canines. 21.3; length of mandible, 

 82.1 ; length of lower molar series, 34.6. Ex type British Museum. 



This race resembles L. t. budgetti in the coloring of the upper 

 parts, but differs in having the gray hands and feet of L. tantalus, 



