72 ALLEN’S NATURALIST’S LIBRARY. 
of Madagascar, as so many varieties of one species, Lemur 
mongoz. Of these varieties, the most important are :— 
THE RED-FOOTED LEMUR. LEMUR RUFIPES. 
Male.—F‘ace in front of a line above the eyes, dark reddish- 
brown; hands and feet bright rufous-brown; under side of 
body and inner side of limbs reddish-grey. 
Female.—Wrist and ankles with adjacent part of limbs above 
brownish-red. 
THE RED-FRONTED LEMUR. LEMUR RUFIFRONS. 
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. 
THE COLLARED LEMUR. LEMUR COLLARIS. 
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 (Z. 
mayottensts, Schl.) differ from Z. co//arts in having a blackish 
spot over the root of the tail. 
