44 ALLEN’S NATURALIST’S LIBRARY. 
Characters.— Head round ; muzzle pointed ; eyes very large ; 
ears also very large, long, nude, and membranaceous ; fingers 
and toes very long, slender, and fine. ‘Tail thick, round, and 
longer than the body ; ankle-bones elongated. Length of body, 
8 ¥ inches; tail, ro inches. Head brownish-grey ; a narrow black 
ring round the eyes; astreak from the forehead down the nose 
whitish ; back greyish-brown, washed (sometimes markedly) with 
rufous on the upper back, fading out towards the root of the 
tail; the latter black or greyish-black. Outside of arms and 
legs washed with rufous, sometimes with a white spot on the 
shoulder-joint and over the groin; posterior aspect of legs sooty- 
black ; cheeks, sides of nose, entire under surface, and inner 
side of limbs creamy-white with a rufous-washed bar across the 
chest. Muzzle shorter than the diameter of eye-socket. Incisors 
seen from the side, more or less hidden by the canines; anterior 
upper pre-molar very canine-like, relatively much produced lon- 
gitudinally, with an interval between the anterior and median 
pre-molars ; posterior upper pre-molar four-cusped, and with an 
intermediate cusp on the oblique ridge ; posterior upper molar 
almost equal in size to the median one. 
Distribution.—This species has been recorded from the 
Gaboon, in West Africa, and from Fernando Po, whence it was 
first obtained by Captain Allen, R.N., in 1837. 
Habits—Although little or nothing has been recorded of its 
habits, it is unlikely that they differ much from those of the 
species already known. 
IV. DEMIDOFF’S GALAGO. GALAGO DEMIDOFFI. 
Galago demidoffi, Fischer, Act. Soc. des Nat. Mosc., i, p. 24, 
f. 1 (1806); Peters, P. Z. S., 1863, p. 380, pl. xxxv. ; Mi- 
vart, P. Z. S., 1864, p. 648. 
