2 
MAMMALIA. 
nearly naked, being covered only with elonjSfatecl scattered hairs 
thinly interspersed. Teeth white; incisors ~ , the lower ones strong 
and umch produced, their upper surface smooth ; canines none ; 
lalse molars ; molars ; ears rather large. 
Length from tip of nose to base of tail, 4^ inches. 
„ from tip of nose to base of ears, 1 inch. 
„ of tail, 2|- inches. 
We are informed by J. E. Gray, Esq.., that there is an 
unnamed Sorex, from the mountains of India, in the collection 
of the British Museum, which much resembles this species,, 
differing, however, in having the tail very closely covered with 
short hairs, as well as with the scattered elongated ones 
described above as characteristic of the present species. 
The specimen from w hich the above description is taken, is 
a female, and was found with its male and young among some 
rotten wmod and deed leaves ; when caught it bit savagely. 
Order Rodentia. 
Fam. Scim-idae. 
Gen. Pteromys, 
Pterorays melanopis (Gray). 
Black-eared Tagnan (Brit. Mus. Catalogue), 
Kubong (Malay name). 
Above, bright rufous, many of the hairs being tipped with black ; 
ears grizzled sandy white round the margin of the upper part, the 
hairs of which are short and compact, behind this margin is a tuft 
of long loose black hair ; the lower surface of the body is light 
rufous without any black. Tail at the base, the same colour as the 
body, becoming lighter towards the tip ; the tip itself for more than 
an inch is black ; feet black ; parachute corresponds as to general 
colour with that of the body both on the upper and lower surface, 
except that on the upper surface it passes to a deep ferruginous 
brown towards the outer edge; along its outer edge a stripe of 
sandy w'hite extends from the fore to the hind leg. 
Length, from the nose to the base of the tail, 17 inches. 
Tail beyond, about the same. 
These animals are very common in Labuan, though, as tliey 
move only in the evening, they are not often seen. The 
flight is slow, from a higher to a low^er point, and appears to 
be made without motion of the flying membrane, and is, in 
fact, a mere sustained leap. They live and breed in hollow- 
trees, often at a great height from the ground, and run about 
