ORNITHOLOGY OF SAN DIEGO COUNTY. 431 



""56. Chamaea fasciata. 

 Wren-tit. — Tolerably common. 



57. Psaltriparus minimus californicus. 



Californian Bush-Tit. — Found a nest with young, April 

 23d. 



58. Hegulus calendula. 



KuBY-CROWNED KiNGLET. — A male was seen April 27tli. 



59. Polioptila caerulea. 



Blue-gray Gnatcatcher. — Rare. Two males were taken 

 in January. 



60. Turdus aonalaschkae. 



Dwarf Hermit Thrush. — Tolerably common in January. 

 Fed upon the berries of the pepper tree. 



*61. Merula migratoria propinqua. 



Western Eobin. — Was seen in the valley April 28th. 



62. Sialia mexicana. 



Western Bluebird. — Very common among the pepper 

 trees during my visit in January. 



63. Sialia arctica. 



Mountain Bluebird. — A few seen about a plowed field in 

 January. I was told that it was the first time that they had 

 been seen in the valley. 



