76 ALLEN’S NATURALIST’S LIBRARY. 
VII. THE RED-BELLIED LEMUR. LEMUR RUBRIVENTER. 
Lemur rubriventer, Is. Geoffr., C. R., xxxi., p. 876 (1850) ; Schl., 
Mus. Pays. Bas., vil., p. 311 (1876); Milne Edw. & Gran- 
did., Hist. Nat. Madag., Mamm., Atlas, ii., pls. 167-170 
(1890). 
Lemur flaviventer, Is. Geoffr., tom. cit., p. 876 (1850). 
Characters.x—Inner margins and outside of ears haired, the 
interior nude. 
Male.—Face, a line down the forehead, and snout dark ma- 
roon-brown ; a ring round the eyes cobalt-blue; rest of head 
and cheeks reddish-brown; upper side of body speckled red- 
dish-brown, darker on the lower back ; tail almost black, with 
long white hairs distributed throughout its length ; feet rufous ; 
under side of body pale. 
Female.—Like the male, but having the cheeks whitish; a 
narrow ring round the eyes pale blue ; upper surface umber- 
brown, washed with reddish-yellow ; under side and inner 
sides of limbs yellowish ; ruff reddish-chestnut. 
Young.—Head entirely rufous ; nose black. 
Distribution.— Madagascar. 
VIII. THE RING-TAILED LEMUR. LEMUR CATTA. 
Lemur catta, Linn., §. N., i., p. 45, no. 4 (1766); Schl., Mus. 
Pays. Bas., vii., p. 314 (1876); Milne-Edw. et Grandid., 
Hist. Nat. Madag., Mamm., Atlas, pls. 171-172 (1890). 
Characters—Inside of ears naked; no ruff round the face ; 
top of head greyish-black ; face, rest of head, lower surface of 
body, and inner side of the limbs pearl-grey ; upper surface 
sienna-grey. ‘Tail pearl-grey, banded with from ten to twelve 
black rings, distinguishing it from all other Lemurs, which 
have the tail of one colour. Length of body and tail together, 
40 inches. 
