presence of four incisors in the upper jaw,
whereas _Scotophilus_ has two only--otherwise the two genera are
very similar.

NO. 78. VESPERUGO NOCTULA.

HABITAT.--Nepal.

[Figure: _Vesperugo noctula_.]

DESCRIPTION.--Head broad and flat; ears oval and broad; the outer
margin convex, reflected backwards, and forming a thick lobe
terminating close to the angle of the mouth; tragus short and curved
inwards; muzzle devoid of hair; fur dark reddish brown.

NO. 79. VESPERUGO LEUCOTIS.

HABITAT.--Deserts of Northern India, and Beluchistan.

DESCRIPTION.--"Ears, sides of face, about the eyes, interfemoral
membrane, antehumeral membrane, and that portion of the wing
membrane along the sides of the body, white, very translucent;
remaining portion of wing membrane sepia, traversed by very distinct
reticulations; fur on the upper surface black at the base of the hairs
for about half their length, remaining portion light yellowish
brown; beneath the same, but paler, almost white."--_Dobson_.

NO. 80. VESPERUGO MAURUS.

HABITAT.--Khasya Hills.

DESCRIPTION.--Muzzle broad and flat, with large labial development;
ears broad, triangular, broadly rounded off above; tragus broad and
square; fur long and dense, uniformly sooty brown, with greyish tips;
membranes, nose, ears and lips black.

SIZE.--Head and body 1-1/10 inch; tail, 1 inch.

NO. 81. VESPERUGO AFFINIS.

HABITAT.--Burmah (Bhamo, Yunan).

DESCRIPTION (_apud_ Dobson).--Head flat; upper labial glands so
developed as to cause a deep depression between them on the face
behind the nostrils; ears broad as long from behind; the outer margin
extends from the tip to its termination near the corner of the mouth
without emargination or lobe; tragus broad; inner margin straight;
outer convex; small triangular lobe at base. Fur chocolate brown
above, lighter on head and neck; beneath dark brown with lighter tips
on the pubes, and along the thighs dirty white or pale buff.

SIZE.--Head and body, 1.9 inch; tail, 1.65 inch.

There is a good figure of the head of this bat in Dobson's Monograph;
it was obtained by Dr. J. Anderson at an elevation of 4500 feet at
Bhamo.

NO. 82. VESPERUGO PACHYOTIS.

DESCRIPTION.--"This species is readily distinguished by the
peculiar thickness of the lower half of the outer side of the
ear-conch, which appears as it were excavated out of the thick
integument of the neck; tragus short, curved inwards."--_Dobson_.

This bat is mo