98 NTCTONOMUS. 



1. NYCTONOMUS PLICATUS, Buchanan-Hamilton, sp. (1800). 



Plicated Bat. 



Ears united by a low band in front, evenly and broadly rounded 

 off above. Tragus very small and quadrate, the upper margin 

 slightly concave. Upper lip very thick, deeply grooved by vertical 

 wrinkles. No gular sac. Wing-membrane from the lower end 

 of the tibia. Fur very soft and dense ; above bluish- or smoky- 

 black, below paler. 



Dimensions. Head and body about two and three-fourths 

 inches ; tail about one and three-fourths inch ; forearm nearly 

 two inches. 



Habitat. South Australia; Tasmania; Malay Peninsula; Java; 

 Sumatra; Borneo; Philippine Islands; India. 



References.- Dobson, B.M. Catal. Chiropt p. 425 ; Leche, Proc. 

 Zool. Soc. 1884, p. 51. 



2. NYCTONOMUS AUSTRALIS, Gray, sp. (1838). 

 "White -striped Bat. 



Ears large, their inner margins not united, but rising close 

 together from distinct points of origin. Integument of the ear- 

 conch rather thin. Tragus short and broad, the outer margin 

 distinctly concave mesially. Upper lip with short vertical wrinkles. 

 A large gular sac with outwardly projecting hairs in the male, 

 and but little developed in the female. Wing-membrane from 

 the distal third of the tibia. Fur moderately long and dense ; 

 above dark reddish-brown, below paler ; in the male the fur cover- 

 ing the wing-membrane beneath the humerus and femur, from the 

 sides of the body outwards is pure white ; in the female white 

 largely mixed with brown. 



Dimensions. Head and body about three inches ; tail about 

 one and three-fourths inch ; forearm about two and a third inches. 



Habitat. Australia ; New Guinea. 



References. Dobson, B.M. Catal. Chiropt. p. 433, pi. xxii. fig. 

 9 (head); Gould, Mamm. Austr. iii. pi. xxxi. 



3. NYCTONOMUS ALBIDUS, Leche, (1884). 

 Leche's White-striped Bat. 



Differs from JV. australis in the following particulars : Ears 

 much longer than the head, and united by a low band. Integu- 

 ment of ear-conch thick and opaque. The gular sac and the white 

 band of fur along the inner margin of the wing beneath fully 

 developed in the female. 



G a 



