KBRIVOULA. 93 



1. VESPERTILIO ADVERSUS, Horsfield (1824). 

 Great-footed Bat. 



Extremity of ear broadly triangular, with the angle rounded 

 off; upper half of outer margin straight. Tragus well developed, 

 the extremity straight. Wings from the ankles and the sides of 

 the body. Interfemoral membrane forming a very acute angle 

 behind. Feet very large. Tail projecting beyond the membrane 

 to some extent. Calcaneum very long, extending at least three- 

 fourths of the distance between the ankle and the tail. Fur of 

 moderate length. Second upper premolar extremely small, placed 

 quite inside, in the angle between the first and third premolars, 

 not visible from without. 



Dimensions. Head and body about two inches ; tail about 

 one and three-quarters inch ; forearm about one and a half inch ; 

 foot about half an inch. 



Habitat. From Siam through Java, Borneo and the Celebes to 

 the northern half of Australia. 



References. Dobson, B.M. Catal. Chiropt. p. 292, pi. xviii. fig. 

 4 (ear enlarged); Gould, Mamm. Austr. iii. pi. xlvii. 



2. VESPERTILIO AUSTRALIS, Dobson (1878). 

 Small-footed Bat. 



Extremity of ear broad and very obtusely rounded ; upper third 

 of outer margin deeply concave. Tragus well developed, the 

 narrow extremity rounded and slightly curved outwards. Wings 

 from the bases of the toes. Interfemoral membrane forming an 

 obtuse angle behind. Feet of moderate size. Only the extreme 

 tip of the tail projecting. Calcaneum extending about half-way 

 between the ankle and the tail. Fur short. Second upper pre- 

 molar small, but in the normal position and so visible from without. 

 Brown, the extreme tips above and the terminal third below lighter. 



Dimensions. Head and body about one and four-fifths inch ; 

 tail and forearm about one and one half inch ; foot about one-third 

 of an inch. 



Habitat. New South Wales. 



Reference. Dobson, B.M. Catal. Chiropt. p. 317. 



Genus VI. KERIVOULA, Gray, (1842). 



Muzzle narrow and elongated ; glandular prominences very 

 small and indistinct. Crown of the head considerably vaulted. 

 Nostrils simple, circular, sublateral. Ears funnel-shaped, dia- 

 phanous, studded with glandular papillae ; tragus long, narrow, 

 and acutely pointed. Wings from the bases of the toes. Calcaneum 



