386 University of California Publications in Zoology IT 01 -- 12 



Salmon River, head of Grizzly Creek, and head of Rush Creek 

 (in June and July), and Castle Lake (August 20). 



Vermivora celata lutescens (Ridgway). Lutescent Warbler. 

 Pour skins, nos. 19326-19329, from head of Grizzly Creek (July 23), 

 head of Rush Creek (July 29), head of Bear Creek (August 11), 

 and Castle Lake (August 21). 



Dendroica aestiva brewsteri Grinned. California Yellow Warbler. 

 Seven skins, nos. 19330-19336, from Scott River, June 8-13. 



Dendroica auduboni auduboni (Townsend). Audubon Warbler. 

 Thirteen skins, nos. 19337-19349, from Jackson Lake (June 17-25), 

 South Fork of Salmon River (July 14), head of Grizzly Creek 

 (July 22 and 23), head of Bear Creek (August 12 and 15). 



Dendroica nigrescens (Townsend). Black-throated Gray Warbler. 

 Three skins, nos. 19350-19352, from Scott River (June 11), and 

 Summerville (immatures, July 18 and 19). 



Dendroica townsendi (Townsend). Townsend Warbler. One 

 immature male, in full fall plumage, no. 19353, from head of 

 Bear Creek, August 10. Probably a migrant. 



Dendroica occidentals (Townsend). Hermit Warbler. Three 

 immatures, nos. 19354-19356, from head of Grizzly Creek (July 23), 

 head of Rush Creek (July 28), head of Bear Creek (August 13). 



Gcothlypis trichas occidentalis Brewster. Western Yellowthroat. 

 Four breeding adults, nos. 19357-19360, from Mayten and Scott 

 River, June 4-11. Common on the more or less marshy ground 

 around the ''Big Spring" at Mayten. Nest with four eggs found 

 there in bunch of dry tules, June 5. Nest with four eggs found 

 near the ground in a cornus bush, June 11, at Scott River. 



Icteria vir< us longicauda Lawrence. Long-tailed Chat. Four 

 skins, nos. 19361-19364, from Scott River, June 12 and 13. Here 

 the bushes along the creek seemed alive with different birds, largely 

 because of the chat's voluble imitations of his various neighbors. 



Wilsonia pusilla chryseola Ridgway. Golden Pileolated Warbler. 

 Nine skins, nos. 19365-19373, from Jackson Lake (June 16-18), 

 head of Grizzly Creek (July 21), and head of Bear Creek 

 (August 6-16). 



Cinclus mexicanus unicolor Bonaparte. American Dipper. One 

 juvenile, no. 19374, North Fork of Coffee Creek, July 5. 



