266 CALIFORNIA MAMMALS. 



(1.65) ; ear from crown 14 (.55) ; expanse of wings 275(10.80). 



Type locality, Puget Sound. 



LrOng-shanked Bats range over much of the western United 

 States, but are common in few places. In some parts of their 

 range they inhabit mountains, but most of the recorded specimens 

 were taken in valleys. 



Myotis calif ornicus Audubon and Bach man. 



LITTLE CALIFORNIA BAT. 



Size small; feet small; ears small, reaching just beyond tip 

 of nose when laid forward; back edge of ears concave; no fringe 

 of hairs on border of interf emoral membrane ; color above reddish 

 sepia or drab, below a paler shade of the same color ; fur every- 

 where blackish at base; membranes dull brown or dusky. 



Length about 82 mm. (3.25 inches) ; tail vertebrse 40 (1.60) ; 

 ear from crown 13 (.50) ; expanse of wings 230 (9). 



California Bats range in the valleys, foothills and lower 

 mountains of the coast region of the western United States and 

 in Lower California. They are common in the valleys of Cali- 

 fornia in the autumnal migration and are present in smaller num- 

 bers all summer. They hide in the daytime in crevices in rocks, 

 behind loosened boards in barns and other building's and in other 

 dark crannies, coming out in early twilight. 



'ti-^ 



Myotis calif ornicus pallidus Stuphpns. 



PALLID BAT. 



Averaging smaller than calif ornicus; paler; above buff or 

 brownish buff; below dull white; all pelage dusky at base. 



Length about 80 mm. (3.15 inches) ; tail vertebr;E 40 ( 1.60) ; 

 ear from crown 11 (43) ; expanse of wings 210 (8.25). 



Type locality, Vallecito, San Diego County, California. 



Pallid Bats are found in summer in the Colorado and Mo- 

 jave Deserts and in the arid mountains around them. A female 

 taken April 29th, contained one small foetus. A few Bats winter 



