12. VESPEBTIIIO. 817 



internal to the tooth-row, very small, and scarcely distinguishable 

 without the aid of a lens. 



Length (of the type specimen, an adult $ ), head and body l"-75, 

 taU l"-5, ear 0"-55, tragus 0"-25, forearm l"-35, thumb 0"-23, third 

 finger 2"-25, fifth finger l"-7, tibia 0"-6, foot 0"-3. 



Hah. Himalaya (Sikhim ; Lachung, 8000 feet ; Simla ; Dalhousie), 

 Tibet, India (Chutia-Nagpur), Arracan (Akyab), Malay Peninsula, 

 Sumatra, Java, Borneo, Celebes, Amboyna, and probably all the 

 islands of the Malay Archipelago within the Oriental Eegion. 



31. Vespertilio aiistralis. 



Slightly larger than V. muricola, which it resembles in the 

 form of the muzzle and in the presence of a distinct postcalcaneal 

 lobe ; ears as in V. mystaeinus, but the tragus is curved slightly 

 outwards above, and its narrow extremity is rounded off. Tail 

 nearly as long as the head and body, the extreme tip alone pro- 

 jecting ; a narrow but distinct postcalcaneal lobe ; wings from the 

 base of the toes. 



Fur remarkably short and dense, extending forwards upon the 

 face in front of the eyes, but covering only a small portion of the 

 wings along the sides of the body and the base of the large inter- 

 femoral membrane ; beneath, the wing- and interfemoral membranes 

 are scarcely more covered than upon the upper surface. 



Above, brown, slightly paler towards the extremities of the hairs ; 

 beneath, the basal two thirds of the hairs are dark brown, almost 

 black, the terminal third light brown. 



Upper incisors nearly equal in cross section ; the first and second 

 upper premolars in the tooth-row, the second very smaU, but quite 

 visible from without. 



Length, head and body about l"-8, tail l"-5, ear 0"-6, tragus 

 0"*28, forearm l"-55, thumb 0"-28 ; third finger — ^metacarp. l"-4, 

 1st ph. 0"-48, 2nd ph. 0"-75 ; fifth finger — metacarp. l"-4, 1st ph. 

 0"-35, 2nd ph. 0"-3 ; tibia 0"-6, foot 0"-32. 



Hab. Australia (New South Wales). 



Type in the collection of the Leyden Museum. 



This species may be at once distinguished from aU closely allied 

 species by the peculiar shortness of the fur, and by the outward 



