FEMALE.--Wrist and ankles with adjacent part of limbs above brownish-red.
MALE.--Grizzly, washed with rufous; fore-arms, hands, feet, haunches, outer side of legs, and top of the head between the ears, rufous.
FEMALE.--Grizzly brown; top of head grizzly black; patch over and round the eyes greyish-white.
THE GREY-HEADED LEMUR. LEMUR CINEREICEPS.
Face and frontal spot black; cheeks, sides, top of head, side of neck, and outside of ears grey; rest of body orange-red.
MALE.--Head blackish-brown; cheeks, sides of throat, mark over eyes, and base of ears, yellowish-grey, washed with orange-red or rufous; a spot at the side of the nose, grey; chin, throat, and under side of the body, blackish-grey.
FEMALE.--Centre of nose black; sides of nose, chin, cheeks, including the eyes, ears, sides of throat, iron-grey, slightly flushed at the lower side of the neck under the ears with reddish-orange. Specimens from the island of Mayotte (_L. mayottensis_, Schl.) differ from _L. collaris_ in having a blackish spot over the root of the tail.
Has a yellowish-white frontal band and whiskers.
Has a brownish-black band over the forehead, including the eyes; muzzle, patch on top of head including the ears, the side of the head below the ears, sub-auricular tufts, throat and under surface, grey.
Forehead, top of head, ears, throat, and chest white.
Pure albino varieties are also quite common.
DISTRIBUTION.--The Mongoose Lemur with its numerous varieties is found throughout the island of Madagascar, in Mayotte, and in Anjuan or Johanna Island, one of the Comoro group.
HABITS.--Gregarious and diurnal, feeding on fruits, insects, and small animals.
_Lemur nigerrimus_, Scl., P. Z. S., 1880, p. 451, figs. 1 and 2; Milne-Edw. et Grandid., H. N. Madag., Mamm., pls. 154, 155 (1890).
_Lemur macaco_ (nec L.), Scl., P. Z. S., 1878, p. 1016.
_Prosimia rufipes_, Gray, Ann. N. H., 1871, p. 339 (female).
CHARACTERS.--Face covered with short hair; ears nude and without tufts; nose-pad and lower lips nude. Similar to _L. macaco_, but larger and more intensely black, with a raised crest of upstanding hair on the head, formed by the longer fur of the body terminating arcuately on the forehead. External ears pinkish flesh-colour. Eyes blue, turning to green. Length, 16 inches; tail, 20 inches.