MICRATHEXE. 2G7 



United States (southern Arizona and southeastern California) and Lower 

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



381. M. whitneyi (Cooi-er). Elf Owl. 

 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. JIab. Socorro Island, western Mexico. 



M. graysoni Ridgw. Socorro Elf Owl.' 



• Mlcrathcne grayaoni RiDOW., Auk, iii. July, 1886, 333. 



