GENERAL REMARKS ON THE BASIN AVIFAUNA. 385 



4. Nephcecetes borealis. Summer resident. 



5. Cliaetura vauxi. Summer resident. 



G. Solasi)horus rufus. August; excessively abundant. 

 7. Steyanopus wilsoni. May ; rare. 



West Humboldt Mountaim. 



1. PsaUriparus plumbeus. September-October. 



2. Lanivireo cassiui. September 9-25. 



3. Lanivireo solitarius. September. 



4. Melospiza guttata. One specimen; Octobers. 



5. Zonotricbia coroiiata. One specimen ; October 7. 



6. Cyauocitta woodbousii. September-October. 



7. Ectopistes migratoria. One specimen; September 10. 



8. Colaptes auratus. ? One specimen; October. 



Soda Lake, Carson Desert. 

 1. ? PhiEnopepla niteus. June 27 ; rare. 



Toyabe Mountains (near Austin). 



1. Panyptila sasatilis. July 4; one specimen. 



Ruby Mountains [eastern slope). 



1. PsaUriparus melanotis. ! One specimen; August 4. 



2. Dendroeca uigrescens. Summer resident. 



3. Helmintiiopbaga virginise. Summer resident. 



4. Lanivireo plumbeus. Summer resident. 



5. Loxia leucoptera. One specimen ; August 12. 



6. Selasi>borus platycercus. Summer resident. 



7. Stellula calliope. Summer resident. 



East Humboldt Mountains (eastern slope). 



1. Turdus swainsoni. September 1-11. 



2. Dendroeca townsendi. September 8-24. 



3. Dendroeca occidentalis. August 29. 



4. Helmiutbopbaga ruficapilla. September G. 



5. Empidonax bammoudi. September 5-8. [Also foand on eastern slope 



of tbe Sierra Nevada.] 



Here were seen the most eastern individuals of SelaspJiorus rufus, n 

 pair having been observed, and the male secured, September 8. 

 Ruby Valley (icest side, near Franklin Lake). 



1. Doliclionyx oryzivorus. August and SejJtember. 



2. Falcincllus guarauna. August and September. 



From here northward, Lepus callotis was found to be replaced by L. 



canipestris. 

 25 p R 



