172 



47. Chaulelasmus streperus. Abundant. 



48. Querquedula cyanoptera. Abundant. 



49. Aythya sp? Abundant. 



50. Larus sp? Abundant. 



51. Sterna Forsteri? Abundant. 



52. Hydrochelidou fissipes. Very abundant. 



6. List of species observed among the oaks of the plains 



between Sacramento City and the foot-hills of the 



Sierra Nevada, June and July, 1867. 



1. Parus atricapillus occidentals ? Common. 



2. Troglodytes aedou Parkmanni. Common. 



3. Eremophila alpestris chrysolsema. Abundant. 



4. Pica melauoleuca Nuttalli. Very abundant. 



5. Corvus Americanus. Very abundant. 



6. Myiarchus criuitus cinerascens. Common. 



7. Picus Nuttalli. Common. 



8. Melanerpes formicivorus. Abundant. 



9. M. torquatus. Abundant. 



10. Strix flammea pratincola. Common. 



11. Scops asio. Common. 



12. Buteo lineatus elegans. Common. 



13. Rhinogryphus aura. Pare. 



II. SIKRRA NEVADA. 



a. Species seen among the western foot-hills, July, 18G7. 



1. Polioptila ccerulea? Abundant. 



2. Psaltriparus minimus. Abundant. 



3. Certhia familiaris fusca. Common. 



4. Troglodytes aedon Parkmanni. Common. 



5. Dendroica a3Stiva. Abundant. 



6. Chrysomitris Lawrencii. Common. 



7. Pipilo fusca crissalis. Common. 



8. Cyanocitta Floridana Californlca. Common. 



9. Lophortyx Californicus. Common. 



h. Species found in the pine forests of the western slope of the 

 Sierra Nevada, at an altitude of 5,000 feet, in July, 18G7. 



1. Tardus migratorlus. Common. 



2. T. Swalnsoni astulatus. Abundant. 



3. Sialia Mexlcana. Common. 



