1899.] VAN DENBURGII — BIRDS OF SANTA CLARA CO., CAL. 175 



brown. The number laid is ordinarily either three or four. A 

 caged male often sang until nine or ten o'clock at night during the 

 breeding season, though in the dark. 



Fira?iga ludoviciana. Louisiana Tanager. 



This beautiful bird occurs only as a migrant — during April and 

 May and again in August and September. At these times it is fairly 

 common. Last seen in spring, May 29 and 30, 1898. 



Progne subis hesperia. Western Martin. 



The martin breeds in some numbers on the Mount Hamilton range. 

 I have not noted it on the west side of the county. 



Petrochelidon lunifrons. Cliff Swallow. 



This is a very common summer resident, appearing at Palo Alto 

 about the middle of March (March 14, 1892), though it usually does 

 not reach Los Gatos much before April. It breeds in June. 



Hirundo erythrogaster. Barn Swallow. 

 For some years a colony nested at Alma. 



Tachycineta bicolor. Tree Swallow. 



Along the western side of the county this swallow breeds quite 

 abundantly in holes in white oaks. 



Tachycineta thalassina. Violet-green Swallow. 



This gorgeous bird is an irregular summer visitant, probably 

 from the redwood region nearer the coast. I have no knowledge 

 of its breeding in Santa Clara county. 



Stelgidopteryx serripennis. Rough-winged Swallow. 

 A number of these birds breed near San Jose. 



Ampelis cedrorum. Cedar Waxwing. 



This waxwing is an occasional winter visitant. I have seen none 

 for several years. 



Lanius ludovicianus gambeli. California Shrike. 



This is a common resident of the valley. I have not found 

 it breeding in the foothills west of Los Gatos, though it is fre- 

 quently seen there after the nesting season is over. On Septem- 

 ber 3, 1892, I observed one perched in the top of a cherry tree, 

 singing very sweetly and with much power. 



