VESPERTILIONID^ 267 



in the Colorado Desert; these appear to be intermediate between 

 pall id us and califoniicus. 



Myotis yumanensis Aijjvn. (Of Ytima.) 



YUMA BAT. 



Similar to calif orniais ; lig'hter color; body larger; tail short- 

 er; hind foot much larg-er; skull liroader. 



Type locality, old Fort Yuma, California. 



Yuma Bats are found in the southwestern United States and 

 northwestern Mexico. They appear to be most common in the 

 San Joaquin Valley. 



Myotis yumanensis saturatus Miller. (Full of color.) 



MILLER BAT. 



Similar to yiniuDiensis; darker colored; smaller; back dark 

 glossy yellowish brown; belly Isabella color; fur nearly black at 

 base. 



Type locality, Hamilton, Washington. 



Miller Bats are found in British Columbia, \\'ashington, 

 Oregon and northern California. Dr. Merriam reports rhem com 

 mon high on Mount Shasta in August. 



Myotis evotis Allen. (Good — ear.) 



LONG-EARED BAT. 



Ear very long for this genus, narrow; size rather large; no 

 fringe of hairs on the border of the interfemoral membrane; 

 wings rather narrow ; above wood brown or Isabella brown ; below 

 pale dral>; fur everywhere blackish at base; wings and ears dark 

 brow-n. 



Length about 90 mm. (3.55 inches) ; tail vertebrae 41 (1.60) ; 

 ear from crown 21 (.82) ; expanse of wings 240 (9.50). 



Type locality, Monterey, California (Miller). 



Long-eared Bats are found in the western United States 



