276 CALIFORNIA MAMMADS. 



Family PhyllastomatidSB. (Leaf-nosed Bats.) 

 Upper incisors not separated by a space in the middle; but 

 four lower incisors ; cutaneous processes present about the nose or 

 mouth; ears medium or large sized; tragus developed. 



This family is conirned to America and is numerous in spec- 

 ies in the tropics. Some species eat fruits as well as insects. 



Genus Otopterus Lyddeker. ( Ear — wing. ) 



Nose leaf simple, erect ; ears large, united at base ; point of 

 tail extending beyond the interfemoral membrane ; skull long and 

 slender. 



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



Otopterus califomicus Baird. 



CALIFORNIA LEAF-NOSED BAT. 



Nose with an upright "leaf" of cartilege and skin; ears very 

 large, connected at their bases; tragus slender, pointed, one-third 



the height of the ear; wings 

 broad, not furred ; interfemoral 

 membrane small, concave in 

 outline; basal half of pelage 

 white, outer half broccoli 

 brown, darkest above, paler be- 

 neath, slightly tipped with 

 \\ hite ; membranes light brown. 

 Leng-th about 95 mm. (3.75 

 inches) ; tail vetebrs 41 

 *" (1.60); ear from crown 28 



California LealT-nosed Bat. (l.io); BXpauSe of wiugS 33O 



(13)- 

 Type locality, old Fort Yuma, California. 



California Leaf-nosed Bats are found in Southern California, 



Arizona, western Mexico and Lower California. In California 



they fi'equent valleys and foothills. The)- are pi^obably migratory. 



ff' P^^ 





