The Birds of Wyoming.. 131 



560 a. Spizella socialis arizonas CouEs. 

 Western Chipping Sparrow. 

 Summer resident; common. Breeds rather abundantly 

 over the entire state. Arrives on the Laramie plains early 

 in May. Wood took a specimen on Pole creek, 1856; Drexel 

 reports them from Fort Bridger, 1858; Coues reports it from 

 Green river, Little Sandy and one generaL reference ; Grinnell 

 reports them from the Yellowstone park ; Jesurun reports them 

 common at Douglas; Bond states that they are common at 

 Cheyenne. There are seven specimens in the University col- 

 lection that have been taken in Carbon and Albany counties. 



561. Spizella pallida (Swains.). 



Clay-colored Sparrow. 

 Summer resident; rather common. Williston notes that 

 it was first seen at Lake Como May 12 ; Wood records a speci- 

 men taken on Pole creek, Aug. ist, 1856; Bond reports them 

 from Cheyenne and Jesurun from Douglas. West of Buffalo 

 has sent one skin to the University. The National Museum re- 

 ports No. 88063 taken at Fort Laramie. 



562. Spizella breweri Cass. 



Brewer's Sparrow. , 



Summer resident and abundant. They arrive on the Lara- 

 mie plains from the loth to the 20th of May and have been taken 

 as late as Oct. 21st. Drexel found this species at Fort Bridger, 

 1858; Coues reports it from Bitter Cottonwood, Fort Fetter- 

 man, Big Sandy and Green river; Jesurun states that they are 

 common about Douglas ; Bond finds them common at Chey- 

 enne. There are seven skins in the University ' collection that 

 have been taken in Albany and Carbon counties. 



566. Juncd aikeni RiCdw. 

 White-winged Junco. 

 Summer resident, and rather common in the northern 

 mountains during the summer. It is very desirous that we 



