LASIOPYGA 369
hairs; top of head black speckled with buff; 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 francescce 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. preussi

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. Xo 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