Zoological Society. 53 
une. lin, 
Longitudo antibrachti..... 0.0. eee g.ahi alas kod 
AUIS Dafa. Bittern by ereretscl sreihs Quvash 
Alaram ain plitudo yg ois. .s:0)rias. 3 01gs IGM He 9.6 
The fur in this animal is long, of a delicate pale rufous on the upper 
parts of the body, but slightly tinted with grey next the skin; the 
under parts are ashy white. ‘The incisor teeth are as usual =, the 
two innermost of the upper jaw are widely separated, long-pointed, 
and resemble‘canine teeth; the outer pair are very small. ‘The forehead 
is considerably arched ; the muzzle produced, pointed and depressed, 
and has a slight concavity above; the nostrils are widely separated, 
pierced laterally, and have a slight depression between them; the tip 
of the muzzle is naked. The lower lip has a small, smooth, naked 
space at the tip. ‘The ears are of a very pale brown colour, large, trans- 
parent, pointed, and strongly emarginated behind ; the tragus is very 
long and slender (its length being about 42 lines, and width at the 
base less than 1 line), and decreases gradually in width from the 
base to the point; close to its root, externally, is a slightly promi- 
nent angle. [he wings are large and supported by very delicate 
and slender bones, very transparent, and extend slightly on to the 
toe of the hind-foot. The hind-legs are long and slender; the foot 
small ; the metatarsus shorter than the toes, which are slender and 
very nearly equal, if we except the one to which the wing is slightly 
attached, which is distinctly shorter than the rest. The imterfemo- 
ral membrane is ample, and presents a few scattered hairs: the heel- 
cartilage long. ‘he tail is long, and enclosed in the membrane to 
the point ; the fourth vertebra from the base has much flesh about 
it, which forms a small lump,—perhaps this is accidental. The 
thumb is slender, but rather long. 
This species is remarkable for having long and extremely slender 
limbs, and for the transparency of its flying-membranes. I could 
read this writing through the wing-membranes, moistened as they 
were with the spirit, at a distance of more than a quarter of an inch. 
VespertTitio Mryrnt. Vesp. intense rufescenti-fuscus, pilis ad 
basin albescentibus ; corpore subtis cinereo lavato; brachiis ru- 
fescentibus ; rostro brevi, obtuso ; auribus subtriangulis, ad apicem 
rotundatis, postice emarginatis; tragis arcuatis, angustis, ad apicem 
subacutis. 
' une. lin. 
Longitudo ab apice rostri ad caude basin,... 1 7 
pode -baid 0613 270k eaioqa wesc 0 11 
ce obntibrachii. oy. abi odestt baw by isd 
a MELTED. WV nim asm io (013 ayes Riba nahvithe O 22 
Alarum amplitudo .......... PEN, rea 6 6 
J . aby Ae 2-—2 B 
This species has the usual number of incisors (==) ; the inner- 
most pair of the upper jaw are larger than the external pair, and bifid 
at the apex. The forehead is moderately arched; the muzzle is 
broad and but sparingly clothed with hairs, swollen at the sides ; 
