1920] 



Swarth: Revision of Avian Genus Passerella 



109 



Table 1 . — Manner of occurence in winter of the subspecies of Passerella iliaca in the different faunal areas of California. 

 Specimens listed were taken between October 15 and March 15. The figures in the body of the table indicate 

 the number of each subspecies in each faunal area. Column at extreme right indicates total number of specimens 

 of each subspecies. Bottom row of figures indicates number of specimens of all subspecies from each faunal area. 



Table 2. — Manner of occurrence in winter of the subspecies of Passerella iliaca in the different faunal areas of California; 

 based upon the same specimens as those listed in Table 1. The figures indicate the percentage of the Passerella 

 population of each faunal area that is formed by the indicated subspecies. 



