308 BULLETIN UNIVERSITY OF MONTANA. 



120. Troglodytes aedon aztecus. Western House Wren. Common, 

 breeds. 



121. Troglodytes hlemalis pacificus. Western Winter Wren. Com- 

 mon. 



122. Clstothorus palustris plesius. Western Marsh Wren. Noted 

 only at the head of Swan lake, 1902. 



123. Certhia familiaris montanus. Rocky Mountain Creeper. Com- 

 mon. 



124. Sitta carolinensis aculeata. Slender-billed Nuthatch. Common. 



125. Sitta canadensis. Red-breasted Nuthatch. Common. 



126. Parus atricapillus septentrionalis. Long-tailed Chickadee. Com- 

 mon, breeds. 



127. Parus gambeli. Mountain Chickadee. One specimen noted on 

 McDougal Peak. Breeds at Bigfork. 



128. Regulus satrapa. Golden-crowned Kinglet. Common. 



129. Regulus calendula. Ruby-crowned Kinglet. Common, breeds. 



130. Myadestes townsendii. Townsend's Solitaire. Common, breeds. 



131. Hylocichla fuscescens salicicola. Willow Thrush. Not uncom- 

 mon, breeds. 



132. Hylocichla ustulatus swainsonii. Olive-backed Thrush. Abund- 

 ant, breeds. 



133. Merula migratoria propinqua. Western Robin. Abundant, 

 breeds. 



134. Ixoreus naevius. Varied Thrush. Common at the head of Swan 

 lake, breeds. 



135. Sialia arctica. Mountain Bluebird. Common. 



136. Recurvirostra americana. American Avocet. Only one speci- 

 men observed, Flathead river, 1903. 



137. Seiurus noveboracensis notabilis. Grinnell's Water-Thrush. 

 Common, in swampy woods. Breeds. 



