INTRODUCTION Ixi 



Loocia curvirostra bendirei : ^ Sierra Crossbill. — Rare and irregiJar winter 

 visitant. 



Astragalinus tristis salicamans : Willow Goldfinch. — Common resident of 

 the lowlands. 



Astragalinus psaltria : Arkansas Goldfinch. — Abundant resident of the 

 valley. 



Astragalinus lanrencei : Lawrence Goldfinch. — Fairly common spring and 

 summer visitant to the mountains and mesas. 



Spinus pinus : Pine Siskin. — Irregular winter visitant anywhere. 



Pooecetes yramineus conjinis : Western Vesper Sparrow. — Fairly common 

 winter visitant on the mesas. 



Pooecetes gramineus affinis : Oregon Vesper Sparrow. — Fairly common 

 winter visitant to the valley. 



Ammodramus sandicichensis alaudinus: Western Savanna Sparrow. — 

 Abundant winter visitant to the lowland plains. 



Ammodramus savannaruui himacidatus : Western Grasshopper Sparrow. — 

 Rare winter visitant to the valley. 



Chondestes grammacus strigatus : Western Lark Sparrow. — Common resi- 

 dent of the valley. 



Zonotrichia leucophrys gamhelii : Intermediate Sparrow. — Abundant winter 

 visitant to the valley. 



Zonotrichia coronata : Golden-crowned Sparrow. — Common winter visitant 

 to the foothill regions. 



Spizella socialis arizome : Western Chipping Sparrow. — Common summer 

 visitant everywhere ; less common dui*iug the winter on the mesas only. 



Spizella breweri : Brewer Sparrow. — Rare migrant along the foothills. 



Spizella atrogularis: Black-chinned Sparrow. — Rare summer visitant on 

 the mountain slopes. 



Junco hi/emalis : Slate-colored Junco. — Rare winter visitant to the valley. 



Junco hyemalis thurberi : Sierra Junco. — Common midwinter visitant to 

 the valley ; resident in the mountains. 



Amphispiza belli : Bell Sjjarrow. — Fairly common resident on the mesas. 



Aimophila rujiceps : Rufous-crowned Sparrow. — Rare resident of the 

 foothills. 



Melospiza cinerea cooperi: ^ San Diego Song Sparrow. — Common resident 

 of the lowlands. 



Melospiza lincolnii : Lincoln Sparrow. — Fairly common migrant and winter 

 visitant in the valley. 



Passerella iliaca insularis : Kadiak Fox Sparrow. ^ — Common winter vis- 

 itant on the mountains. 



Passerella iliaca megarhyncha : Thick-billed Fox Sparrow. — Fairly com- 

 mon winter visitant on the mountains. 



Pipilo maculatus megalonyx : Spurred Towhee. — Common resident of 

 brushlands everywhere. 



Pipilo fuscus senicula: Anthony Towhee. — Abundant resident of the val- 

 ley. 



Oreospiza chlorura : Green-tailed Towhee. — Rare migrant along the foot- 

 hills. 



Zamelodia melanocephala : Black-headed Grosbeak. — Common summer 

 visitant to the valley. 



Gnirara rarnlca lazula : Western Blue Grosbeak. — Rare summer visitant 

 on th»( mesas. 



Ci/(uwsj)iza aiiinna: Lazuli Bunting. — Common summer visitant to the 

 foothills and mesas. 



' Not yet acted on by A. O. U. committee. (F. M. B.) 



