A R I Z O N 



^••Nogales. 



NORA 



^ermosillo 



MAP 



OF 



SUBORDINATE FAUNA L DISTRICTS 



LOWER CALIFORNIA 



E W.NELSON 



CabodeS Lucas 



Fig. 1. Map showing the subordinate faunal districts in Lower California, from 

 Nelson (1921, Plate xxxi). 



(516 



