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University of California Puhlications in Zoology [Vol.21 



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as seen at Alton Jnnction (near Eureka), Humboldt County, in late 

 October (Ferry, 1908, p. 43), but in the absence of specimens there is 

 no certainty as to the subspecies actually encountered. 



O Passerella iliaca viariposae 

 + Passerella iliaca megarhynchus 

 ± Passerella iliaca fulva 



Fig. Z. Map showing winter occurrence of Passerella iliaca mariposae, P. i. 

 megarhynchus, and P. i. fulva in California, as established by specimens examined 

 by the author. The region enclosed Avithin the dotted outline is believed to be the 

 main winter habitat of megarhynchus. The locality stations of mariposae and 

 fulva denote the capture of but a single specimen at each point, apparently strag- 

 glers from the still unknown center of winter abundance. 



Along the line of the Sierra Nevada, among the scores of fox 

 sparrows collected, there are but two examples of megarhynchus. 

 One is from Blue Canon, Placer County, taken on October 19, the 

 other from El Portal, Mariposa County, on November 28. The sub- 

 species is evidently rare in these mountains, but may be assumed 



