96 CALIFORNIA ACADEMY OF SCIENCES. 



posed mostly of soap root fibres with the usual covering 

 of mud. L. B. 



Poway. F. E. Blaisdell. Breed. 



San Bernardino. F. Stephens. Tolerably common 

 resident of the valley. Agua Caliente, common; prob- 

 ably resident. March 18 to April 15, 1886, two or three 

 daily. 



Henshaw, 1876. Quite numerous in California in 

 the southern portion. 



Alameda and Contra Costa counties. W. E. Bryant. 

 Common resident. 



Xicasio. C. A. Allen. March 28, 1876, first. 



Newberry. Common in Northern California; speci- 

 mens obtained in Umpqua Valley, Oregon. 



Willamette Valley. 0. B. Johnson. A single ex- 

 ample July, 1879. 



Ridgway. Found only at Sacramento. 



Henshaw, 1879. Appears not to be present in this 

 region. [East slope.] 



Sierraville, Sierra Valley. June, 1885, a pair. L. B. 



Cooper, 1870. An abundant and resident species in 

 all the lower parts of California except the Colorado 

 valley where I saw none later than March 25, 1861, as 

 they had gone north. 



105. Contopus borealis (Swains.) OLIVE-SIDED FLY- 

 CATCHER. 



Not found in the Cape region, but winters entirely 

 south of California. Hansen's, 60 miles south of 

 Campo, May 10-12 (1884), at 6,000 feet altitude, com- 

 mon; Tia Juana, April 30, 1885, a single migrant shot; 

 a rare migrant through the low parts of California. 

 L. B. 



Agua Caliente. F. Stephens. One, April 7, 1886. 



Poway. F. E. Blaisdell. April 23, 1884, first; Vol- 

 ran Mountains, August. 



