INTRODUCTION lxi 
Loxia curvirostra bendirei: 1 Sierra Crossbill. — Rare and irregular winter 
visitant. 
Astragalinus tristis salicatnans: Willow Goldfinch. — Common resident of 
the lowlands. 
Astragalinus psaltria: Arkansas Goldfinch. — Abundant resident of the 
valley. 
Astragalinus lawrencei: Lawrence Goldfinch. — Fairly common spring and 
summer visitant to the mountains and mesas. 
Spinus pinus : Pine Siskin. —Irregular winter visitant anywhere. 
Pooecetes yramineus con/inis: Western Vesper Sparrow. — Fairly common 
winter visitant on the mesas. 
Pooecetes gramineus affinis: Oregon Vesper Sparrow. — Fairly common 
winter visitant to the valley. 
Ammodramus sandwichensis alaudinus: Western Savanna Sparrow.— 
Abundant winter visitant to the lowland plains. 
Ammodramus savannarum bimaculatus : Western Grasshopper Sparrow. — 
Rare winter visitant to the valley. 
Chondestes grammacus strigatus: Western Lark Sparrow. — Common resi¬ 
dent of the valley. 
Zonotrichia leucophrys gambelii: Intermediate Sparrow. — Abundant winter 
visitant to the valley. 
Zonotrichia coronata: Golden-crowned Sparrow. — Common winter visitant 
to the foothill regions. 
Spizella socialis arizonce: Western Chipping Sparrow. — Common summer 
visitant everywhere; less common during 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 hyemalis : 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 Sparrow. — Fairly common resident on the mesas. 
Aimophila rujiceps: Rufous-crowned Sparrow. — Rare resident of the 
foothills. 
Melospiza cinerea cooperi: 1 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. 1 — 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. 
Guiraca ccerulea lazula : Western Blue Grosbeak. — Rare summer visitant 
on the mesas. 
Cyanospiza amoena: Lazuli Bunting. — Common summer visitant to the 
foothills and mesas. 
1 Not yet acted on by A. 0. U. committee. (F. M. B.) 
