1914 BIRDS OF ARIZONA 71 



315. Geothlypis trichas scirpicola Grinnell. 



Tule Yellow throat. 



Synonyms — Geothlypis trichas, part ; Geothlypis trichas occidentalism part. 



Status — Breeds in the valleys of extreme southern Arizona and along the 

 lower Colorado River, but from the generally unfavorable nature of the"«regioti 

 outside of the latter district, it occurs in but small numbers, and at widely scat- 

 tered intervals. Found in summer in the vicinity of Tucson (Scott, 1888, p. 35), 

 on the San Pedro River (Swarth, 1904b. p. 56), and on the lower Colorado Riv- 

 er (Mus. Vert. Zool.). For the use of the name scirpicola for the breeding yel- 

 lowthroat of southern Arizona, see Swarth, 19T2, p. 71. 



316. Icteria virens longicauda Lawrence. 



Long-tailed Chat. 



Synonyms — Icteria viridis; Icteria longicauda. 



Status — Abundant summer visitant in the Lower Sonoran river valleys, and 

 through the Upper Sonoran zone in the lower canons of the mountain ranges. 

 Found in summer at Fort Mohave, Fort Whipple, Fort Grant, Tucson, Fort 

 Apache, Huachuca Mountains, etc. 



317. Wilsonia pusilla pileolata < Pallas). 



Pii-Eoi.ated Warbler. 



Synonyms — Myiodioctes pusillus; Myiodioctes pus ill us pilcolatus. part: My- 

 iodioctes pilcolatus; Syfvania pusilla pileolata; Sylvania pusilla, part. 



Status — The only breeding record for Arizona is that of Coues (1866a, p. 71) 

 who reported the species as a common summer visitant about Fort Whipple, where 

 he found it from May to September. Tt is an exceedingly common migrant in all 

 parts of the state, and one that is found at all altitudes. 



318. Wilsonia pusilla chryseola Ridgway. 



Golden Pileolated Warbler. 



Synonyms — Myiodioctes pusillus pilcolatus, part; Sylvania pusilla. part. 



Status — Occurs "during migration southward and eastward to . 

 Arizona (Pinal County, September. October; Lowell. April; Fort Verde. Ma) ; 

 San Francisco Mountains, August 31; Cienega ; Tucson)'" (Ridgway. 1902, p. 

 714). Observed as a common migrant in the Colorado Valley, between Cheme- 

 huevis Valley and Potholes in the spring of 19:0 (Mus. Vert. Zool.). 



319. Setophaga ruticilla (Linnaeus). 



American Redstart. 

 Status — Its occurrence in Arizona is based upon the record by Scott (1888. 

 p. 36), of two specimens, an adult male taken by himself in the Santa Catalina 

 Mountains, 4500 feet elevation. August 12, 1884. and another taken by Herbert 

 Brown at Tucson 



