MICRATHENE. 267 



United States (southern Arizona and southeastern California) and Lower 

 California, south to southern Mexico (Puebla and Guanajuato). 



381. M. whitneyi (COOPER). Elf OwL 



a 2 . Prevailing tint deep brownish, the spots and bands more decidedly rusty ; bands 

 on tail broader, not interrupted on middle feathers; wing 4.05-4.25, tail 

 1.90-2.20. Hob. Socorro Island, western Mexico. 



M. graysoni KIDGW. Socorro Elf Owl. 1 



1 Micrathene graysoni RIDGW., Auk, iii. July, 1886, 333. 



