00 VESPERUGO. 



inner surface of the base of the outer margin short and well 

 defined. Fur shorter and paler in color than in the preceding 

 species, especially on the under surface, where the hairs are tipped 

 with dirty white. 



Dimensions. Head and body of type specimen ( $ ) rather less 

 than two inches; tail one and a half inch ; forearm one and one- 

 third inch. 



Habitat. Northern Territory (Adelaide River). 

 Reference. Thomas, Ann. Nat. Hist. (6) ix. p. 405. 



Note. The almost entire absence of a transfrontal band, along 

 with the larger size, longer and broader ears with a more convex 

 inner margin, separate the N. microtis, Thms. (Ann. Nat. Hist. 

 (6) ii. p. 226) of South-eastern New Guinea from this species. 



Genus II. VESPERUGO, Keyserling & Blasius (1839). 



Form comparatively stout. Muzzle very broad and obtuse ; 

 glandular prominences well developed. Crown of head flat or 

 very little elevated above the face line. Nostrils sublateral, simple, 

 crescentic. Ears short, broad, and triangular, obtusely pointed, 

 separate ; tragus generally short and obtuse. Calcaneum with a 

 small postcalcaneal lobe on its posterior margin. Feet short and 

 broad. Upper incisors in pairs separated by a wide interval. 



Dentition.-!. |, C. g, P. g or g, M. |=| = 34 or 32. 

 Habits. Insectivorous. 



1. VESPERUGO PUMILUS, Gray, sp. (1841). 

 Little Bat. 



Muzzle not very obtuse, A shallow furrow between the muzzle 

 and the glandular prominences. Ear-conches short and funnel- 

 shaped ; middle third of outer margin and lower two-thirds of 

 inner margin very convex ; the tips short and rather abruptly 

 rounded off. Tragus well developed and rather broad. Wings 

 extending to the bases of the toes. Postcalcaneal lobe long and 

 convex behind. Tip of tail free. Fur above and below black, 

 the extreme tips above ashy or grayish, the terminal fifth below 

 white or pale ash-color. 



Dimensions. Head and body about one and a half inch ; tail 

 about one and a third inch ; forearm about one and a fourth inch. 



Habitat. All Australia and Tasmania. 



References. Dobson, B.M. Catal. Chiropt. p. 201, pi. xii. fig. 2 

 (ear); Gould, Mamm. Austr. iii. pi. xlvi. 



