276 CALIFORNIA MAMMALS. 



Family Phyllastomatidae. (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 confined 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 — 3X2=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 

 white ; membranes light brown. 

 Length about 95 mm. (3.75 

 inches) ; tail vetebr?e 41 

 (1.60); ear from crown 28 



California Leaf-nosed Bat. (l.io); expanse of wiugS 33O 



(13)- 



Type locality, old Fort Yuma, California. 



California Leaf-nosed Bats are found in Southern CaHfornia, 

 Arizona, western Mexico and Lower California." In California 

 they frequent valleys and foothills. They are probably migratory. 



