20 



b. Species breeding on Toyabe Mountains, at an altitude of about 

 6,500-7,000 feet (Austin, July 2-4, 1868). 



1. Oreoscoptes montanus. Rare. 



2. Turdus migratorius. Common. 



3. Pipilo chlorurus. Very abundant. 



4. Empidonax obscurus. Abundant. 



5. Eremophila alpestris (leucolaeraa?) CominTm. 



6. Spizella Breweri. Abundant. 



7. Cyanospiza amoena. Common. 



8. Poocsetes gramineus conflnis. Common. 



9. Panyptila saxatilis. Rare. 



c. Eastern slope of Ruby Mountains (July 13-Sept. 1). 



1. Turdus migratorius. Common. 



2. Oreoscoptes montanus. Rare. 



3. Sialia arctica. Abundant. 



4. Parus montanus. Rare. 



a 5. Psaltriparus minimus plumbeus. Rare. 



6. Salpinctes obsoletus. Common 



7. Catherpes Mexicanus conspersus. Rare. 



8. Troglodytes ae'don Parkmanni. Common. 



9. Eremophila alpestris (chrysolsema?) Common. 



10. Helminthophaga Virginias. Common. 



11. Dendroica sestiva. Abundant. 



12. D. nigrescens. Common. 



13. Geothlypis Macgillivrayi. Common. 



14. Icteria virens longicauda. Rare. 



15. Myiodioctes pusillus. Rare. 



16. Pyranga Ludoviciana. Common. 



17. Tachycineta thalassina. Abundant. 



18. Hirundo horreorum. Common. 



19. Petrochelidon lunifrons. Very abundant. 

 20 Vireo solitarius plumbeus. Common. 



21. Vireosylvia gilva Svvainsoni. Abundant. 



22. Collurio Ludovicianus excubitoroides. Common. 



23. Carpodacus Cassiui. Very abundant. 



24. Loxia leucoptera. One specimen. 

 26. Chrysomitris pinus. Very abundant. 



26. C. tristis. Rare. 



27. Poocsetes gramineus conflnis. Common. 



28. Melospiza melodia fallax. Common. 



1 What was taken to be P. melanotit, a North Mexican species, was teen here. 



