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152 The Western Bluebird, Sialia mexicana occidentalis . 774 
153 The Mountain Bluebird, Sialia currucoides . 781 
154 The Townsend Solitaire, Myadestes townsendi . 785 
Family Sylviidce —Kinglets, Gnatcatchers. 
155 The Western Golden-crowned Kinglet, Regains regains oliva- 
ceus . 796 
156 The Ruby-crowned Kinglets, Corihylio calendula . 801 
157 The Western Gnatcatcher, Polioptila ccendea obscura . 809 
158 The Plumbeous Gnatcatcher, Polioptila plumbea . 815 
159 The Black-tailed Gnatcatcher, Polioptila calif or nica . 819 
Family Chamceidce —Wren-Tits. 
160 The Wren-Tits , Chamcea fasciata . 822 
Family Motacillidce —Pipits. 
161 The American Pipit, Anthus spinoletta rubescens . 831 
Family Alaudidce —Larks. 
162 The Horned Larks, Otocoris alpestris . 837 
Family Tyrannidce —Tyrant-bircls, American Flycatchers. 
163 The Scissor-tailed Flycatcher, Muscivora forficata . 847 
164 The Kingbird, Tyrannus tyrannus . 849 
165 The Western Kingbird, Tyrannus verticalis . 851 
166 The Cassin Kingbird, Tyrannus vociferans . 858 
167 The Arizona Crested Flycatcher, Myiarchits magister magis- 
ter . 861 
168 The Ash-throated Flycatcher, Myiarchus cinerascens cineras- 
cens . 862 
169 The Phoebe, Sayornis phoebe . 867 
170 The Black Phoebe, Sayornis nigricans . 868 
171 The Say Phoebe, Sayornis say us . 873 
172 The Western Flycatcher, Empidonax difficilis difficilis . 878 
173 The Brewster Flycatcher, Empidonax trailli brewsteri . 884 
174 The Hammond Flycatcher, Empidonax hammondi . 886 
175 The Wright Flycatcher, Empidonax wrighti . 889 
176 The Gray Flycatcher, Empidonax griseus . 896 
177 The Olive-sided Flycatcher, Nuttallornis borealis . 901 
IX 
