CORYNORHINUS. ANTROZOUS. 605 



Geogr. Distr. State of Guadalajara, Mexico, north to British 

 Columbia. 



Genl. Char. Similar to those of typical C. macrotis, but color 

 much darker, fur nowhere distinctly bicolor. 



Color. Above dark brown, hairs at base light plumbeous, tips 

 pale yellowish; beneath dark brown; ears and membranes blackish. 



Measurements. Total length, 100-105; tai ^ vertebrae, 48-51; 

 tibia, 21.4-22; foot, 9.4-10; forearm, 42-44; thumb, 6.6-7; longest 

 finger, 76-80; ear from meatus, 33-34; width of ear, 21-24; tragus, 

 14-15. Skull: total length, 14.5; occipito-nasal length, 12.5; zygo- 

 matic width, 8; interorbital constriction, 3.5; length of mandible, 

 8.6; length of upper molar series, 3.5 ; of lower molar series, 4.5. 



The previous genus and the next are the only ones of the Plecotine 

 or Antrozoine divisions found within the limits of the countries em- 

 braced in this book. The one following has two species and one race 

 remarkable among all those of the family for having but four lower 

 incisors. 



Subfam. III. Antrozoinse. 

 122. Aiitrozous. 



T C P M 3-3 _ o 



^- 2 _ 2 . K-I' F '2-2' M - 3 - 3 - 2 - 



Antrozous H. Allen, Proc. Acad. Nat. Scien., Phil., 1862, p. 248. 



Type Vespertilio pallidus Le Conte. 



Muzzle truncate; nostrils surrounded by a horseshoe-shaped 

 ridge; lower lip free in front. Lower incisors, four. Mammae two. 



KEY TO THE SPECIES. PAGE 



A. Above pale drab gray, beneath grayish white . . A. pallidus 605 



B. Above ochraceous buff, beneath yellowish 



drab brown A. p. pacificus 607 



C. Above buff washed with wood brown ; beneath 



clear buff A. minor 607 



568. pallidus (Vespertilio), Le Conte, Proc. Acad. Nat. Scien., Phil., 



1856, p. 437. 



pallidus (Antrozous), Elliot, Syn. N. Am. Mamm., 1901, p. 396. 

 BIG-EARED PALE BAT. 



Type locality. El Paso, El Paso County, Texas. 



