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178 The Western Wood Pewee, Myiochanes richardsoni richard- 
soni . 905 
179 The Vermilion Flycatcher, Pyrocephalus rubinus mexicanus.. . 911 
Order Trochiliformes —Hummingbirds. 
Family Trochilidce — Hummers. 
180 The Calliope Hummer, Stellida calliope . 915 
181 The Broad-tailed Hummer, Selasphorus platycercus . 922 
182 The Allan Hummer, Selasphorus alleni . 924 
183 The Rufous Hummer, Selasphorus rujus . 930 
184 The Anna Hummer, Calypte anna . 935 
185 The Costa Hummer, Calypte costce . 946 
186 The Black-chinned Hummer, Archilochus alexandri . 954 
Order Cypseliformes —Swifts. 
Family Cypselidce —Swifts. 
187 The White-throated Swift, Aeronautes saxatalis . 960 
188 The Northern Black Swift, Nephcecetes niger borealis . 971 
189 The Vaux Swift, Chcetura vauxi . 982 
Order Piciformes —Woodpecker-like Birds. 
Family Picidce —Woodpeckers. 
190 The Hairy Woodpeckers, Dryobates villosus . 987 
191 The Downy Woodpeckers, Dryobates pubescens . 992 
192 The Cactus Woodpecker, Dryobates scalaris cactophilus . 997 
193 The Nuttall Woodpecker, Dryobates nuttalli . 999 
194 The White-headed Woodpeckers, Xenopicus albolarvatus . 1003 
195 The Arctic Three-toed Woodpecker, Picoides arcticus . 1006 
196 The Red-naped Sapsucker, Sphyrapicus varius nuchalis . 1008 
197 The Red-breasted Sapsuckers, Sphyrapicus ruber . 1011 
198 The Williamson Sapsucker, Sphyrapicus thyroideus . 1016 
199 The Western Pileated Woodpecker, Phlceotomus pileatus pici- 
nus . 1020 
200 The California Woodpecker, Balanosphyra formicivorus bairdi 1023 
201 The Lewis Woodpecker, Asyndesmus lewisi . 1030 
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