100 CHIEOPTERA. 



Genus Vespeeugo, Keys, et Bias. 

 *Vesperugo aeeinis, Dobson, PI. IV, figs. 7, 8. 

 Pipistrellus affinis, Dobson, Proc. As. Soc. Bengal^ 1871, p. 211. 



Head flat ; glands of the upper lip so developed as to cause a deep depression 

 between tbem on the face, behind the nostrUs. Measured from behiad, the ears are 

 as broad as long ; their ianer margins are convex, and the tips broadly rounded. 

 The outer margin of the ear extends from the tip to its termination near the angle 

 of the mouth, without emargination, and without forming a lobe of any kind ; from 

 the angle of the mouth it is separated by a small wart covered with long hairs. 

 The tragus is of the shape so common in the species of this sub-genus ; its inner 

 margin is straight, its outer convex upwards, and at the base the usual small trian- 

 gular lobe is found. The nostrils open sublateraUy, and in the centre of the slightly 

 emarginate space between them a narrow ridge passes down to the upper lip, as in 

 the greater number of the species of Pipistrellns. 



The wing-membrane is attached to the base of the outer toe, which is shorter 

 than the others. The tail is long, of nine vertebrae, the last free. 



The feet are small, the toes very slender and almost naked. 



Above, the fur of the head extends upon the face above the eyes as far as the 

 glandular prominences of the upper lip, the remaining parts of the face are almost 

 naked ; anteriorly, the ear conch has a few, fine, scattered hairs ; posteriorly, about 

 half the posterior surface from the base upwards is densely covered. The distribu- 

 tion of the fur upon the wing-membranes is very limited, on the upper surface 

 being confined to a narrow space along the sides of the body ; beneath, its extent is 

 greater, and a few, fine, greyish hairs are ranged along parallel lines nearly as far 

 outwards as a line joining the elbow and knee-joints. The fur of the body does not 

 extend upon the interfemoral membrane, which has but a few almost invisible hairs 

 scattered over the anterior half of its upper surface, and is covered, beneath, by 

 very fine, short, greyish hairs arising from the dots on the transverse dotted lines. 



On the upper surface chocolate brown, lighter on the head and neck ; beneath, 

 dark brown, with light brown or ashy tips ; on the pubes and along the thighs dirty 

 white or very pale buff. 



Incisors equal in vertical extent ; outer incisors acutely pointed, inner obtuse ; 

 first upper premolar minute, acutely pointed, placed inside the line of teeth and not 

 distinguishable from without. 



Inches. 



Length, head and body .......... 1-9 



tail 1-65 



., head 0-75 



„ ear (anteriorly) 0'6 



Breadth „ ........... 0'4 



Length, tragus ............ 0'25 



Breadth „ .... O'lO 



Length, forearm .... ....... 1'55 



