1920] 



Swarth: Revision of Avian Genus Passerella 



115 



tho duller dorsal coloration of the California bii'd. The dorsal streakings are less 

 ruddy than in eastern specinaens, and less sharply defined. Top of head is gray, 

 washed with brownish, as in many eastern birds, and the sides of neck are as clear 

 gray as is seen in other winter collected specimens of iliaca. Ventrally it is 

 indistinguishable from typical iliaca. "Wing bars faintly indicated. 



o Passerella iliaca iliaca 



Fig. J. Map showing stations of occurrence in California of Passerella iliaca 

 iliaca, as established by specimens examined by the author. 



No. 30445, Mus. Vert. Zool. ; male adult; Seaside, Monterey County; Decem- 

 ber 26, 1918; collected by H. G. White. Differs from average eastern birds mainly 

 in somewhat darker coloration. Dorsal streaking and wing bars not so strongly 

 indicated as in eastern collected specimens. 



No. 3233, collection of J. Grinnell; male; Mount Wilson, Los Angeles County; 

 October 31, 1897; collected by J. Grinnell. (See Grinnell, 1915, p. 130.) This 

 bird, together with the rest of the specimens here listed, is suggestive of iliaca 



