INTRODUCTION Iv 



Zamelodia melanocephala : Black-headed Grosbeak. — Abundant spring- 

 and summer visitant ; departs after nesting-. 



Cyanospiza a)iuena : Lazuli Bunting. — A common summer visitant during- 

 nesting- season. 



Piranya ludoviciana: Louisiana Tanager. — Occurs in Santa Cruz Moun- 

 tains during migrations. 



Progne subis hesperia : Western Martin. — Reported from Mount Hamilton 

 range. 



Petrochelidon luni/rons : Cliff Swallow. — Common summer visitant. 



Hirundo erythrogastra : Barn Swallow. — Summer resident. 



Tachycineta bicolor : Tree Swallow. — Abundant in spring and summer ; 

 rare in winter. 



Tachycineta thalassina lepida : Northern Violet-green Swallow. — Common 

 summer visitant. 



Stelgidopteryx serripennis : Rough-winged Swallow. — Reported as breed- 

 ing- at San Jos^ (J. Van Denburgh) ; migrant at Palo Alto. 



Ampelis cedroruin : Cedar Waxwing. — Irregular winter visitant. 



Phainopepla nitens : Phainopepla. — IJecorded from near Sau Jos^. 



Lanius ludovicianiis gambeli : California Shrike. — Abundant resident in 

 valley. 



Vireo gilvus : Warbling Vireo. — Common summer visitant. 



Vireo huttoni : Hutton Vireo. — Abundant resident in Santa Cruz Moun- 

 tains ; common summer visitant in valley. 



Vireo solitarius cassinii : Cassin Vireo. — Summer visitant in Santa Cruz 

 Mountains. 



Helminthophila celata lutescens : Luteseent Warbler. — Summer visitant on 

 chaparral slopes of Santa Cruz Mountains. 



Dendroica cestiva : Yellow Warbler. — Abundant sunmier resident. 



Detidroica auduboni : Audubon Warbler. — Abundant winter visitant. 



Dendroica coronata : Myrtle Warbler. — Rather common winter visitant. 



Dendroica nigrescens : Black-throated Gray Warbler. — Reported from 

 Mount Hamilton Range. 



Dendroica toicnsendi : Townsend Warbler. — Common winter visitant in 

 Santa Cruz Mountains and about Monterey Bay. 



Dendroica occidentalis : Hermit Warbler. — Occurs rarely during migra- 

 tions. 



Geothlypis tolmiei : Tolmie Warbler. — Recorded from Los Gatos ; rare. 



Geothlypis trichas sinnosa : ^ Western Yellow-throat. — Breeds about edges 

 of marshes of S;iu Francisco Bav. 



Icteria virens longirauda : Long-tailed Chat. — Summer visitant along water- 

 courses. 



Wilsonia pusilla pileolata : Pileolated Warbler. — Common in copses and 

 willow thickets. 



Anthus pensilvanicus : American Pipit. — Abundant during winter months. 



Cinrlus infjriranus : Water Ouzel. — Permanent resident on streams in 

 Santa Cruz Mountains. 



Mimus j)(>lyglof(os leurojjdrits : Western Mockingbird. — Occasional visitant 

 at Stanford University. 



Toxostoniaredirivnm : Californian Thrasher. — Common resident in thickets. 



Salpinctes ohsoletus : liock Wren. — Peruianent resident in c.-istern ;ind 

 sontliern valley foothills, in dry. rocky j)laces. 



Cat/ierpes inejricanns jjiiiitlnlatiis : Dotted Canyon Wren. — Breeds in loot- 

 hills east of San Jos^. 



' Occidmtalui of authors. This form ha.s not been acted upon by the A. O. l^ coni- 

 niittee. It is nearer ari.:iUi tliau ovcidtnlalis. 



