1920] 



Swarth: Revision of Avian Gemis Passerella 



171 



Fie BB Map showing summer habitat of Passerella iUaca fulva^ P. j. mun- 

 posae^'p. i. monoeixsis, P. i. stephensi, and P. i. hrevicauda. The symbols indicate 

 the location of breeding stations, as established by specimens examined by the 

 author. 



