GREEN, GREENISH GRAY, AND OLIVE 457 



next day. Another nest in the locality, half a mile from 

 the first, contained four fresh eggs. This was a foot 

 from the ground, in a bush, and, but for the unmistak- 

 able identification, would never have been placed in the 

 same list as the first nest, for there was not a spear of 

 moss in it and it was lined entirely with rootlets. After 

 accidental discovery it was found to be in plain sight 

 from the path. 



646 b. DUSKY WARBLER. — J'ermivora celata 

 sordida. 



Family : The Wood Warblers. 



.Length: 4.70. 



AdvJts: Similar to the lutescent warbler, but colors much darker. 

 Geographical Distribution: Santa Barbara Islands, California, and the 



mainland after the breeding season. 

 California Breeding Range: San Clemente, Santa Catalina, and other 



Santa Barbara Islands. 

 Breeding Season : About June 1. 

 A T est and Eggs : Similar to those of the lutescent warbler. 



The Dusty Warbler seems to be an island form of the 

 lutescent warbler. It is a common resident of Santa 

 Catalina Island and others of the Santa Barbara group, 

 breeding in the sparse growth of brush on the steep sides 

 of the mountains. On Santa Catalina the nests are com- 

 monly on the ground at the foot of a weed stalk, but one 

 was found in a crevice of the cavity left by a small land- 

 slide of the preceding winter. They are especially abun- 

 dant in the vicinity of the Isthmus. Early in the fall 

 flocks of these Warblers fly eastward to the mainland, 

 striking it a little south of San Pedro and continuing 



