FIELD BOOK OF MAMMALS 



and Gulf States, into Louisiana, and probably eastern 

 Texas." (G. M. Allen) 



Lump-nosed Bats are easily distinguished from other Bats 

 by their very large ears and the prominent lump on the nose. 

 These Bats prefer to live in caves, although they may use 

 any deep, dark recess such as abandoned mine shafts and 

 tunnels, or even buildings. In favorable localities they may 

 be numerous, and Vernon Bailey found them so in the Carls- 

 bad Cavern, New Mexico, on April 15th, when they were still 

 deep in the winter sleep. The large ears were curled up in 

 spiral coils like a ram's horns, during the dormant period. 

 The members of this genus do not appear to migrate. 



The records indicate one young at birth and the time of 

 birth as July or earlier. 



Lump-nosed Bats take wing before the twilight is gone. 



Subfamily Nyctophilinae 

 Genus Antrozous 



Dentition: Incisors, |; Canines, { ; Premolars, h; Molars,| =28. 



Pale Bat. — Antrozous pallidus 



and related forms 



Names. — Pale Bat; Big-eared Bat; Desert Palhd Bat. 



General Description. — A large Bat with big ears and pale 

 coloration. Ears large and broad, extending considerably 

 beyond end of nose when laid forward, crossed by nine or ten 

 fine transverse lines, tip narrowly rounded; tragus tall, slender 

 and tapering; membranes tough and strong, naked; feet large 

 and strong; nostrils surrounded by a ridge, muzzle rather 

 blunt. 



Color. — Sexes colored alike; no seasonal variation in color. 



Upperparts pale drab gray, with some dusky-tipped hairs; 

 pelage light-colored to base; membranes brownish; underparts 

 paler than upperparts and lacking the dusky tips to the hairs, 

 except on sides. 



Measurements. — Total length, 4.4 inches; tail vertebrse, 

 1.8 inches; hind foot, .4 inch; ear from meatus, 1.2 inches; fore- 

 arm, 2 inches. 



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