14 



NORTH AMERICAN BATS. 



List of Specimens. 



LASIURUS, Eaf. (?) 



Head depressed, lips slightly friug-ed ; nostrils ^vide apart ; 

 skull flat, massive ; occipital crest prominent. 



Fig. 12. 



Lasiurus noveboracensis. 



Skull broad, higli, sub-angular ; facial line abruptly elevated ; 

 marked depressions in the facial bones in the median line ; 

 zygomas complete. 



Drntilion. 



Molars A or A. Can. JL. Inc. —. Can. i_. Mol. — or 7L = 32 or 30 teeth. 

 5 5 1 G 1 5 5 



Superior incisors stout, placed close beside the canines. 



In the young animals the number of incisors in the upper 



jaw, four. 



The name, Lasiurus, it has been asserted, was first applied to 



