MAMMALS OF UTAH 165 



LONG-EARED BAT 



MYOTIS EVOTIS (H. Alton) 



Vespertilio evotis H. Allen, Monogr. Bats N. Am. p. 48, 1864. 

 Vespertilio evotis Dobson, Catal. Chiroptera Brit. Mus., p. 324, 



1878. 

 Vespertilio albescens evotis -H. Allen, Monogr. N. Am. Bats, 



p. 89, 1893. 

 Vespertilio chrysonotus J. A .Allen, Bull. Am. Mus. Nat. Hist. 



VIII, p. 240, November 21, 1896. 



Description — Size large ; Calcar longer than free border 

 of uropatagium, slender, distinct, and with a more or less 

 well developed lobule at the lip. Free border of uropatagium 

 naked or very indistinctly ciliate. Ears very long, reaching 

 7 to 10 mm. beyond tip of nose. Wing from base of toes. 

 The fur is full, soft, and not peculiar in distribution. It is 

 light yellowish brown, paler ventrally, the hairs everywhere , 

 dusky slate at base. (Miller.) 



Distribution — Austral and Transition zones from the 

 Pacific Coast to the eastern edge of the Rocky Mountains ; 

 south to Vera Cruz. 



THE HOARY-BAT OR GREAT 

 NORTHERN BAT 



LASIURUS CINEREUS (Beauvois) 



Vespertilio cinereus Beauvois, 1796, Cat. Peale's Mus., Phila., 



p. 15. 

 Lasiurus cinereus H. Allen, 1864, Monog. Bats N. A., p. 21. 



Description — Total length 5 to 514 inches ; spread 15 to 

 -17 inches. The fur next the body is dully blackish, but 

 this does not ordinarily show ; the general under color visible 

 is a soft sienna or orange buff, much grayer on breast and 

 belly; but on the chest and upper parts each hair has a 

 dark brown zone, and, finally, a silver white tip ; the general 

 effect is rich, deep brown, exquisitely frosted over with 

 white ; the chin is pale brown or yellow ; the ears have black 

 rims, and the muzzle is more or less black. When in air 

 this species may be distinguished from all by its long, 

 pointed wings, great size and swift zigzag flight. (Seton.) 



Distribution — This species ranges over practically all 

 of the continent of North Aimerica, its breeding range being 



