264 CALIFORNIA MAMMAliS. 



Genus Euderma Allen. (Beautiful — skin.) 

 Ears enormous, joined together at their bases by a low mem- 

 brane across the crown; tragus joined to external lobe of ear; tip 

 of ear rounded ; face without evident glandular swellings. 



Dental formula, I, 2 — 3 ; C, i — i ; P, 2 — 2 ; M, 3 — 3X2^34. 



Euderma maculatum J. A. Allen. (Spotted.) 



SPOTTED BAT. 



First upper premolar minute; ears marked with numerous 

 transverse lines ; nose without a leaf or other excrescence ; face 

 thinly haired ; color peculiar in being distinctly spotted ; tase ot 

 ears and upper sides of neck whitish; a spot on each shoulder and 

 one on the rump white at tips and black at base of hairs; re- 

 mainder of fur on back dark sepia ; fur of under part of body black 

 at base and white at tips. 



Length about no mm.. (4.33 inches) ; tail vertebrse 50 (2) : 

 ear from crown 43 ( 1.70). 



Type locality, Castac Creek, Los Angeles County, Califor- 

 nia. 



But three specimens are known of this peculiar species. The 

 type was found hanging on a fence; the second specimen was 

 found dead in the Biological Laborator)- of the New Mexico Col- 

 lege of Agriculture at Messilla Park, New Mexico; and Herbert 

 Brown reports the capture of another at Yuma, Arizona. 



Genus Corynorhinus Allen. (Club — nose.) 

 Ears very large, thin, joined together over the crown, the 

 back half of the ear with numerous transverse lines ; tragus slen- 

 der, straight, notched and lobed near the bottom, about two fifths 

 as long as the ear; an upright glandular mass each side of the 

 face between the nostril and the eye; interfemo<ral membrane 

 large. 



