384 oPiNiTnoLOOY. 



Species. Range within the Basin. 



4. Helmintliophaga celata Eastern side. 



5. Setopbaga ruticilla Eastern side. 



G. Lauivireo solitarius Entirely across. 



7. Zonotricbia leucopbrys Eastern side. 



8. Dolicbonyx oryzi vorns Eastern side. 



9. Tyranuns carolinensis Entirely across. 



10. Melanerpes erythrocephalus Eastern side. 



11. Ectopistes inigratoria West Humboldt Mts.; straggler. 



12. Actiturus bartramius Eastern side. 



13. Querquedula discors Entirely across. 



LOCALITIES WHERE CERTAIN SPECIES WERE FIRST MET WITH IN JOURNEYING 

 EASTWARD. 



JEa'sterii slope of Sierra Nevada. 



1. Oreoscoptes montanus. July. 



2. Sialia arctica. December-April 25. 



3. Oarpodacus cassini. March 21-April 4. 



4. Sali)inctes obsoletus. Summer resident. 



5. Catherpes conspersus. Constant resident. 

 G. Ampbispiza nevadensis. Constant resident. 



7. Ampbispiza bilineata. Summer resident. 



8. Spizella monticola. Winter resident. 



9. Passerella megarbyucba. From April 25 tbrougb summer. 



10. Passerella scbistacea. February and March; scarce. 



11. Pipilo chlorurus. Summer resident. 



12. Scolecopbagus cyanocepbalus. Winter resident in valleys, breeding on 



mountains. 



13. Gymnokitta cyanocephala. Constant resident. 



14. Pica hudsonica. Constant resident. 



15. Sayornis sayus. Summer resident. 



1(J. Empidonax obscurus. Summer resident. 



17. Antrostomus nuttalli. Summer resident. 



18. Cbordeiles henryi. Summer resident. 



19. Picoides arcticus. Winter resident; rare. 



20. Spbyrapicus thyroideus. Constant resident. 



21. Spbyrapicus nuchalis. Casual (April 4). 



22. Falco polyagrus. Constant resident. 



23. Canace obscura. Constant resident. 



24. Centrocercus uropbasianus. 



, Truckee Valley [below Virginia Mountains). 



1. Troglodytes hyemalis. December. 



2. Tachycineta thalassina. Summer resident. 



3. Tyraunus carolinensis. Summer resident. 



