l^l-^l GrinneU: Mammals and Birds of the Colorado Valley 113 



120. Dendroica aestiva brewsteri GriDnell 



121. Dendroica aestiva rubiginosa (Pallas) 



122. Dendroica auduboni auduboni (Townsend) 



123. Dendroica nigrescens (Townsend) 



124. Dendroica townsendi (Townsend) 

 12-5. Dendroica oecidentalis (Townsend) 



126. Oporomis tolmiei (Townsend) 



127. Geothlypis trichas scirpicola Grinnell 



128. Geothlypis trichas oecidentalis Brewster 



129. Icteria virens longicauda Lawrence 



130. Wilsonia pusilla pileolata (Pallas) 



131. Wilsonia pusilla chryseola Ridgway 



132. Anthus rubescens (Tunstall) 



133. Oreoscoptes montanus (Townsend) 



134. Mimus polyglottos leucopterus (Vigors) 

 13-5. Toxostoma crissale Henry 



136. Heleodytes brunneicapiUus couesi (Sharpe) 



137. Salpinctes obsoletus obsoletus (Say) 



138. Catherpes mexicanus conspersus Ridgway 



139. Thryomanes bewicki eremophilus Oberholser 



140. Troglodytes aedon parkmani Audubon 



141. Telmatodj-tes palustris plesius (Oberholser; 



142. Auriparus flaviceps flaviceps (Sundevall) 



143. Regulus calendula cineraceus Grinnell 



144. Polioptila caemlea obseura Ridgway 

 14-5. PolioptUa plnmbea (Baird) 



146. Hylocichla ustnlata ustulata (NuttaU) 



147. Hylocichla guttata guttata (Pallas) 



148. Hylocichla guttata nanus (.\udubon) 



149. Planesticus migratorius propinquus (Ridgway) 

 1.50. Sialia mexicana oecidentalis Townsend 



GENERAL ACCOUNTS OF THE BIRDS : 



RECORD OF SPECBIEXS. DISTRIBUTION. VARIATION, 



BIOGRAPHICAL NOTES 



Gavia immer (Briinnieh) 



Common Loon 



There i.s in the Museum an adult-plumaged female specimen (no. 

 64:03) of thus species taken f probably by W. W. Holder) at "Mineral 

 City in Colorado River" (^Ehrenberg) April 4, 1864. 



