364 DR. J. E. GRAY ON THE GENERA AND species [Apr. 11, 
The face of the skull, from the front of the orbit, is rather more 
than half the length of the brain-case. 
A specimen of this species in spirits in the British Museum has 
the nose produced, conical, bald, smooth, with three series of plates 
on the front of the forehead, commencing about halfway between the 
tip of the nose and the eyes. The nostrils are lateral, covered with 
a well-developed flap. The cheeks and orbits with scattered, short, 
black hairs, like the hairs on the back of the hand and wrist. Ears 
without any external conch. The underside of the body with scat- 
tered, very short, rigid hairs. The skin of the back between the 
scales bald. The scales elongate, with straight sides for two-thirds 
of their length, then contracted, with rather concave sides, with two 
deep broad notches on each side of the tip, forming three more or 
less distinct projections, the middle one being the most produced. 
Soles of fore and hind feet bald and callous, covered with a hard 
skin, which peels off in spirits. Toes 5/5; the front ‘inner small ; 
the fifth, second, and then the fourth larger; the middle or third 
largest : hinder inner small, the outer larger; the second and fourth 
larger, and the third rather larger still, but not so much larger as in 
the front foot. The upper part of the fore feet and wrist unarmed, 
and covered with short, scattered hairs. The hind feet covered with 
scales nearly to the claws, and hairy on the sides and at the base of 
the claws. 
Professor Rapp separates the specimens from Fernando Po as a 
species, because in the latter the tail is shorter and all the scales are 
tricuspid ; but the specimens from West Africa vary in the length 
of the tail, and in perfect specimens all the scales are tricuspid. 
Fig. 1. 
Skull of Manis tricuspis (separate). 
In the British Museum there are a skull and a complete skeleton 
