﻿114 



NORTH AMERICAN FAUNA. 



Fia. 32. — Teeth of Lasiurus cinercus (X5). 



ism. Another from Eureka, California, is iu a similar i)base, tbougli 

 not so extreme. 



81mU. — The skull (tig. 31) resembles that of Dasypterus intermedius 

 and Lasiurus boreal is, but is intermediate between the two in size. The 

 rostrum is broad and short and the zygomatic arches broadly llaring. 

 The skull of an adult female from Santa Ysabel, California, measures 

 GreatestJength, 16.4 ; zygomatic breadth, 12; breadth of rostrum at i)os 

 terior border of large premolar, 8; mandible, 12.6 ; upper-tooth row, 6.4 

 lower-tooth row, 8. That of an adult female from Fort Snelling 



Minnesota, measures 

 Greatest length, 17 

 zygomatic breadth, 12 

 breadth of rostrum at 

 posterior edge of large 

 premolar, 8; mandible, 

 13.6: upper-tooth row, 

 7 ; lower-tooth row, 8. 



Teeth.— The teeth of 

 Lasiurus cincreus (fig. 

 32) are large and strong, but the minute upper premolar is proportion- 

 ally smaller than in L. horealis. 

 Measurements. — See table, page 115. 



Specimens examined. — Total number, 56, from the following localities : 

 Alabama: Mobile Bay, 1. 



Alberta: Eiglit miles NW. of Red Deer, 1 (skin, Miller coll.). 

 Arizona: Tempe, Maricopa County, 1. 



California: Berryessa, Santa Clara County, 1 ; Cloverdale, I; Eureka, 1 (skin) ; 



Kern River, 1; Monterey, 1; Nicasio, 1; Panamint Mountains, 2; Santa 



Ysabel, 1 (skin). 

 Chibuabua: San Luis Mountains, 1. 

 Colorado: Larimer County, 3 (skins. Miller coll.). 

 District of Columbia : Wasliington, 1. 

 Georgia: Savannah River, 1. 

 Illinois: Warsaw, 1. 



Kansas : Little Blue River, 1 ; North Falls, 1. 

 Louisiana: Pineville, 1. 

 Maryland: Laurel, 1. 



Massachusetts: North Truro, 6 (skins, Miller coll.). 

 Minnesota: Fort Snelling, 1. 



Nebraska : Fort Pierre, 1 ; Fort Union, 2 ; Loup Fork, 1. 

 Nevada : Vegas Valley, 1. 



New Mexico: Dog Spring, Grant County, 2; Dona Ana, 1. 



New York : Westville, Long Island, 1 ; Locust Grove, 4. 



Nova Scotia : Halifax. 1. 



Tamaulipas: Matamoras, 1. 



Texas: Brownsville, 9 (1 skin, Miller coll.). 



Washington : Almota^ 1 ; Fort Walla Walla, 1. 



