INTRODUCTION Ixxiii 



Tachycineta bicolor : White-bellied Swallow. Not very common. 

 Siparia riparia : Bank Swallow. Tolerably common. 

 Stelgidopteryx serripennis : Rough-winged Swallow. Tolerably common. 

 Ampelis garruhis : Bohemian Wax wing. Rare. 

 . 1 mpelis cedrorum : Cedar Waxwing. Rare. 

 Lanius borfalis : Northern Shrike. -- Regular winter visitor. 

 Lanitis Indovicianus excubitorides : White-rumped Shrike. Common sum- 

 mer resident. 



Vireo olivaceus : Red-eyed Vireo. Not common. 

 Vireo gilvus swainsoni : 1 Western Warbling- Vireo. Common. 

 Helminthophila celata : Orange-crowned Warbler. Common migrant. 

 Helmintkophila peregrina : Tennessee Warbler. Rare. 

 Compsothlypis amf-rimna nxitt-u : Northern Parula Warbler. Rare. 

 Dendroica (estiva : Yellow Warbler. Common summer resident. 

 Dendroica coronal a : Yellow-rumped Warbler. Common migrant. 

 Dendroica audnboni : Audubon Warbler. Common migrant. 

 Datdmicd striata : Black-poll Warbler. Tolerably common migrant. 

 Seiurus novflr<n-< axis notabilig : Grinnell Water-Thrush. Rare visitor. 

 Gmthhipis tolinid : Macgillivray Warbler. Common migrant. 

 Geothlypis trichas occidenttdis. Western Yellow-throat. Common mi- 



grant. 



Setophaga rut if- ilia : Medsrarf. Tolerably common migrant. 



Anthus sprat/Hen : Spragne Pipit. -- Common migrant. 



Cinclux ntc.rininits : Dipper.-- Mare visitor. 



Oroscoptfs wontanus: Sage Thrasher. Common migrant. 



Mint us polytilutttix It-m-optt ru* : Western Mockingbird. --Regular summer 

 resident; a few pairs breed. 



(lalfoxi-npttx (-(irolincnsix : Catbird. Tolerably common migrant, 



Toxostoma rufnm : Brown Tlirasher. Common ; breeds. 



^(i/jtinctf-s obxolctnx : Mock Wren. Common migrant. 



Troglodytes ai'don aztecus : Western House Wren.- -Tolerably common 

 migrant. 



Certhia familiaris /n<it<in<t : Mocky Mountain Creeper. Casual visitor. 



.S///// (-(trolinenxix andcata : Slender-billed Nuthatch. Rare visitor. 



Sitta cuacidi >t*ix : Med-breasted Nuthatch. Occasional visitor. 



Sitta pygmcea : Pygmy Nuthatch. -- Rare visitor. 



J \n-KK gambeli : Mountain Chickadee. A flock occasionally visits the 

 city. 



Reyulus calendula : Ruby-crowned Kinglet. - Tolerably regular spring- 

 migrant. 



Myadestes townsendii : Townsend Solitaire. - - Regular migrant ; tolerably 

 common. 



Hylocichla ustulata swainsoni : Olive-backed Thrush. Common migrant. 



^[truia migrati'iria : Mobin. Tolerably common summer resident. 



Mn-ula migratoria propinqua : Western Robin. -- Frequently winters. 



Sialia nitdi* : Bluebird. Occasionally seen both in winter and in midsum- 

 mer ; may breed. 



tiialia arctica : Mountain Bluebird. Abundant breeder for species. 



i V. gih'its of Check-List, (F. M. B.) 



