MONOGKAPH 



NOETH AMERICAN BATS. 



Fam. megadermatid^. 



MACROTUS, Gkay. 



Macrotus, Gray, Pr. Zool. Soc. 1843, 21. 



Ears large, joined; leafy appendage simple, erect; interfemoral 

 membranes large ; point of tail free. 



Fig. 1. 



Macrotus californicus. 



Skull thin, light, tapering. The cranium inflated ; parietal 

 crest small. 



' 5 1 



Molars — . Canines — . Incisors 



6 14 



Dentition 

 4 



1 5 



Canines — . Molars — ^ 34 teeth. 

 1 6 



Upper Jaw. — The incisors disproportionate ; the central large 

 and chisel-shaped ; the lateral small, pointed, and converging. 

 Canines small, slightly concave on inner, convex on outer surface; 



