INTRODUCTION lix 



Asio accipitrinus : Short-eared Owl, — Rare ^v inter visitant to the low- 

 lands. 



Syrnium occidentale : Spotted Owl. — Resident of the mountains ; perhaps 

 fairly common, though not often met with. 



Megascops asio hendirei : California Screech Owl. — Common resident 

 everywhere. 



Bubo virginianus pacijicus : Pacific Horned Owl. — Fairly common resident 

 in the oak region. 



Speotyto cunicularia hypogcea : Burrowing- Owl. — Common resident of the 

 mesas and lowlands. 



Glaucidium gnoma : Pyg-my Owl. — Resident of the mountains ; perhaps 

 fairly common, thoug-h by nature of its habits not often seen. 



Geococcyx californianus : Road-runner. — Fairly common resident of the 

 mesas and foothills ; rapidly becoming scarce. 



Coccyzus americanus occidentalis : California Cuckoo. — Rare summer vis- 

 itant to the willow bottoms. 



Ceryle alcyon : Belted Kingfisher. — Common migrant, appearing at re- 

 servoirs and along' streams. 



iJryobates villosus hyloscopus : Cabanis Woodpecker. — Fairly common in 

 the mountains ; resident. 



Dryobates pubescens turati : Willow Woodpecker.^ — Fairly common in the 

 w illow regions ; resident. 



Dryobates nuttallii : Nuttall Woodpecker. — Common resident in the oak 

 and foothill regions ; visits the willow bottoms in fall and winter. 



Xenopicus albolarvatits : White-headed Woodpecker. — Fairly common re- 

 sident in the liigher mountains. 



Sphyrapicus variiis mtchalis : Red-naped Sapsucker. — Rare midwinter vis- 

 itant along the foothills. 



Sphyrapicus varius daggetti : - Sierra Sapsucker. — Common winter visitant, 

 often about orchards and on pepper-trees along the city streets. 



Sphyrapicus thyroideus : Williamson Sapsucker. — Rare w'inter visitant on 

 the mountains. 



Melanerpes formicivorus bairdi : Californian Woodpecker. — Common resi- 

 dent of the oak regions. 



Melanerpes torquatus : Lewis Woodpecker. — Fairly common winter vis- 

 itant to the oak regions. 



Colaptes cafer coUaris : Red-shafted Flicker. — Common resident of both 

 the mountains and lowlands. 



PhaUvnoptilus nuttallii californicns : Duskv Poor-will. — Common resident 

 of the foothills. 



Chordeiles acutipennis texensis : Texas Nighthawk. — Common summer vis- 

 itant, chiefly on the dry mesas. 



Chcptura vauxii : Vaux Swift. — Comnum migrant along the foothills. 



Aeronautes melanoleucus : White-throated Swift. — Fairly common, except 

 in midwinter, along the foothills and in the mountains. 



Trorhiliis (dex(nidri : Black-cliinncd lluiumingbird. — Common sunnner 

 visit.'int along the foothills and in the luoiintain canyons. 



Calypte cost(e : Cost.-i Hummingbird. — Common summer visitant to the 

 dry mesas. 



C(dypte anna : Anna Hummingbird. — Common resident anywhere. 



Selas/>horns rufus: Rufous Hummingbird. — Common migrant every- 

 where. 



Selasphorus idteni : Allen nuniniiugbiid. — Fairly common s])ring migrant 

 along the fot)thills. 



' Not yet acted on hy A. (). U. conimittcf. (K. Al. 1!) i S. nibrr of tl^e Clio.k-List. 



