158 NORTH AMERICAN FAUNA. [No. 7.. 



134. Turdus ustulatus. Russet-backed Thrush. 



One seen at Olaneha about the middle of May. 



135. Turdus aonalaschkw auduboni, Audubon's Hermit Thrush, 



Breeds on Independence and Bishop creeks. 



136. Merula migratoria propinqua. Western Robin. 



Common summer resident along the eastern slope of the Sierra Nevada. 



137. Sialia arctica. Mountain Bluebird. 



Commoin along the eastern slope of the Sierra Nevada. 



