MUSEUM OF COMPARATIVE ZOOLOGY. 167 



20. Dendrceca aestiva. Common. 



21. Wilsonia pusilla. Common. 



22. Setophaga ruticilla. One seen September 8th. 



HURUNDINID.SJ. 



23. Hirundo horreorum. Common. 



24. Hirundo lunifrons. But few were seen, owing probably to the 

 lateness of the season. Their nests were very numerous on the cliffs of 

 Weber and Echo Canons. 



25. Hirundo thalassina. A few seen September 11th. 



26. Cotyle serripennis. Moderately common. 



VIREONID-SJ. 



27. Vireo olivaceus. More or less common. 



28. Vireo gilvus. Rather common. 



29. Vireo solitarius. Rather frequent. Somewhat paler colored than 



in the Eastern States, but much brighter than those obtained in July in 



Colorado. 



AMPELIDjE. 



30. Ampelis cedrorum. Rather common. 



LANIIDJE. 



31. Collurio ludovicianus. Quite common. Said to breed. 



TANAGRID.E. 



32. Pyranga ludoviciana. Frequent. 



ALAUDID^. 



33. Eremophila alpestris. Common. 



FRINGILLIDJE. 



34. Carpodacus purpureus. Not numerous. 



35. Chrysomitris tristis. Abundant. 



36. Chrysomitris psaltria. Apparently common, associating with the 

 preceding. 



37. Passer domesticus. Recently introduced and apparently flour- 

 ishing. 



38. Passerculus savanna. Common. 



39. Pocecetes gramineus. Abundant. 



40. Coturniculus passerinus. Common. 



41. Zonotrichia leucophrys, var. Gambeli. Abundant. Mainly of 

 the form called " Gambeli," but a typical leucophrys was also taken. 



42. Junco " oregonus." Common after about October 1st. The 

 specimens taken scarcely differ from fall specimens of J. lujemalis, except 

 in the rufous on the sides. 



