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.
{73}THE RUFOUS LEMUR. LEMUR RUFUS.
Has a yellowish-white frontal band and whiskers.