17 



List of species observed in the Lower Truckee Valley in 

 May and not at other times. 



1. Nephcecetes niger borealis. Bare. 



2. Chaetura Vauxi. Common. 



3. Trochilus Alexandri. Common. 



4. Turdus Svvainsoni ustulatus. Rare. 

 6. Carpodacus frontalis. Abundant. 

 6. Molothrus pecoris. Rare. 



Species seen only in July and August. 



1. Selasphorus rufus. Very abundant. 



2. Tyrannus Caroliuensis. Several pairs. 



3. Myiodioctes pusillus. Rare. 



Species seen only in December. 



1. Regulus calendula. Very abundant. 



2. Anthus Ludovicianus. Very abundant. 



3. Dendroica Auduboni. Very abundant. 



4. Sialia arctica. Rare. 



5. Troglodytes parvulus hyemalis. Rare. 



6. Certhia familiaris fusca. Rare. 



7. Zonotrichia leucophrys intermedia. Very abundant. 



8. Junco hyemalis Oregonus. Very abundant. 



9. Spizella monticola. Common. 



SPRING ARRIVAL OF BIRDS IN WESTERN NEVADA IN 1868. 



a. Carson City. . 



1. Sayornis Say us March 12. 



2. Salpinctes obsoletus "20. 



3. Oreoscoptes montauus "24. 



4. Tachycineta bicolor ....... "25. 



5. Poocsetes gramineus confinis . . . April 1. 



6. Rhinogryphus aura " 2. 



7. Hirundo horreorum ........ " 8. 



8. Spizella Breweri . : . . t . . . " 9. 



9. Stelgidopteryx serripennis .... " 15. 

 10. Empidonax obscurus " 21. 



11. Tyrannus verticalis " 22. 



12. Progne subis " 23. 



13. Zenaidura Carolinensis " 23. 



14. Pipilo chlorurus " 25. 



ESSEX INST. BULLETIN. vit 2 



