BIRDS OF THE PACIFIC DISTRICT. 201 



Camp Harney. Bendire. Seen on but two occasions, 

 in June, 1876. 



Henshaw, 1879. Numerous in the mountains near 

 Camp Bidwell. 



Ridgway. The habits and notes of the western birds 

 of this species are in all respects like those of the east- 

 ern ones. 



222. Vireo solitarius (Wils.) BLUE-HEADED VIREO. 

 Ridgway. Met with only during its autumnal migra- 

 tions, when it seemed to be not uncommon in the month 

 of September among the canon thickets of the western 

 slope of the Clover Mountains. A single specimen was 

 also shot 011 the eastern slope of the West Humboldt 

 Mountains in September of the preceding year (1867). 



British Columbia. John Fanniri. Summer resident; 

 not common. 



223. Vireo solitarius cassinii (Xantus). CASSIN'S VIREO. 

 Tia Juana. N. S. Goss. Fifteen miles south of San 



Diego, March 20. 



San Diego. L. B. April 20, 1884, first seen, one 

 male; in breeding season not seen at San Diego. 



Poway. F. E. Blaisdell. A specimen April 16, 1884. 



San Bernardino. F. Stephens. Very rare migrant 

 in the valley. Tolerably common summer resident of 

 the foothills and mountains. 



Agua Caliente. One seen April 7; three, April 12, 

 and one April 13, 1886. 



Henshaw, 1876. Fort Tejon, a single individual in 

 August. 



Contra Costa County. W. E. Bryant. Two speci- 

 mens taken in March. 



Central California. L. B. Rather rare during mi- 

 grations in the valleys and foothills, though an uncer- 



