NYCTOPHILUS. 87 
long, produced to the hinder margin of the large interfemoral 
membrane. Upper incisors distant from one another. 
Genus L—NYCTOPHILUS, Leach (1822). 
Muzzle narrow, thinly covered with short hairs; glandular 
prominences well developed. Crown of the head slightly elevated 
above the face line. Nostrils with their upper margins continu- 
ous with the base of a small cordate nose-leaf. Ears large, oval, 
and connected ; tragus short and triangular. Eyes large. Wings 
from the bases of the toes. ‘Tail slightly projecting beyond the 
interfemoral membrane. Upper incisors unicuspidate, close to 
the canines. 
Dentition.—I. 2, C. 5, P. > M. 3 =30. 
Habits.—Insectivorous. 
Note.—This genus takes the place in the Australian Region of 
the Pale- and Ne-arctic Plecotus. 
1. NycToPHILUS TIMORIENSIS, Geoffroy, sp. (1806). 
Australian Long-eared Bat. 
Ears longer than the head, connected on the forehead by a well 
developed band ; the tip rounded ; upper third of outer margin of 
conch straight. Tragus short, triangular, and subacute. Glandular 
elevation behind the short nose-leaf longitudinally grooved in the 
middle. Broad extremity of nose-leaf upwards and free. Extreme 
tip of tail free. Fur above varying from dark to light brown; 
below from pale brown to white. 
Dimensions.—Head and body about two inches ; tail and fore- 
arm about one and four-fifths inch each. 
Habitat.—All Australia, Tasmania, and the neighboring 
Islands ; from Timor to the Fiji Islands. 
References.—Dobson, B.M. Catal. Chiropt. p. 172, pl. xi. fig. 
7 (front view of head); Gould, Mamm. Austr. iii. pls. xxxvi., (. 
geoffroyt); xxxvil. (N. gouldi); xxxviii. (MN. unicolor); xxxix. (NV. 
timoriensis). 
Note.—Owing to the great variation in size, coloration, and the 
development of the glandular prominences Tomes divided J. 
timoriensis into four distinct forms under the specific names 
geoffroyt, tumoriensis, gouldi, and wnicolor; these however can at 
the most be only regarded as races of Geoffroy’s original species, 
2. NYcTOPHILUS WALKERI, Thomas (1892). 
Walker’s Bat. 
Ears when laid forwards not quite reaching to the nose-leaf, 
connected by a band across the forehead ; the small lobe on the 
