248 CALIFORNIA ACADEMY OF SCIENCES. 



282. Polioptila cserulea obscura Ridgw. WESTERN GNAT- 



CATCHER. 



San Diego. L. B. Tolerably common in winter; 

 nest and four fresh eggs at Campo, May 14, 1884; nest 

 and one egg, Stockton, May 7, 1879; two nests at Mur- 

 phys May 28, 1880, one containing four, the other five 

 eggs; all nearly fresh. 



Poway. F. E. Blaisdell. Breeds here, Santa Ana 

 Plains, December 10, 1884, -very plentiful; Santa Ana 

 River December 14 and later, not common. 



Julian. N. S. Goss. April 2, 1884. 



San Bernardino. F. Stephens. Common summer 

 resident; common at Agua Caliente March 25 and 28, 

 1884. Almost every day from March 19 to April 15, 

 1886. P. melanura is probably the summer form at Agua 

 Caliente. 



Henshaw, 1876. Fort Tejon, particularly numerous 

 July 27, August 8. Neither here nor elsewhere was the 

 closely allied " P. 'melanura" detected. 



Contra Costa County. W. E. Bryant. Tolerably 

 common summer resident. 



Central California. L. B. Rather rare summer resi- 

 dent up to 2,500 feet altitude. My earliest Stockton 

 record is March 12; my latest, November 22, when I 

 saw two birds and shot one in cold weather. 



Cooper, 1870. I found them at Fort Mojave, March 

 20. 



283. Polioptila plumbea Baird. PLUMBEOUS GNAT- 

 CATCHER. 



Habitat. Southwestern border of the United States, 

 from southern Texas to lower Colorado Valley, and 

 thence south to Cape St. Lucas; northern Mexico (Ridg- 

 way's Manual). 



I have no other authority for giving this a place here 



