428 CALIFORNIA ACADEMY OF SCIENCES. 



25. Xanthocephalus xanthocephalus. 



Yellow- HEADED Blackbird. — Seen in small flocks. The 

 male has an odd way of throwing his head to one side when 

 singing. 



26. Agelaius gubernator. 

 BicoLORED Blackbird. — Common. 



27. Agelaius tricolor. 



Tricolored Blackbird. — Tolerably common. 



*28. Sturnella magna neglecta. 



Western Meadowlark. — Tolerably common. 



29. Icterus cucullatus nelsoni. 



Arizona Hooded Oriole. — Common. Nests in gum trees 

 were completed by the last of April. From the appearance 

 of specimens taken I should judge that it required from tAvo 

 to three years for the males to attain full plumage. 



30. Icterus bullocki. 



Bullock's Oriole. — Common. Not found near the vicin- 

 ity of the nesting places of the Hooded Oriole. 



31. Scolecophagus cyanocephalus. 



Brewer's Blackbird. — Very common. Nests in pepper 

 trees. One nest taken April 17th contained seven eggs. 



*32. Carpodacus frontalis rhodocolpus. 



Crimson House Finch. — Nest and fresh eggs taken April 

 18th. 



*33. Spinus psaltria. 



Arkansas Goldfinch. — Tolerably common. Fed on young 

 oak buds. 



