Nov.,. 1921 
201 
INDEX TO VOLUME XXIII 
A 
Accipiter cooperi, 130 
velox, 20 
Acridotheres cristatellus, 170 
Aegialitis semipalmata, 32 
Aethiopsar cristatellus, 170 
Agelaius gubernator, 130 
gubernator californicus, 67 
phoeniceus californicus, 67 
phoeniceus neutralis, 67 
Agriocharis, 130 
Ajaia, 130 
Albatross, Light-mantled Sooty, 172 
Royal, 172 
Sooty, 171 
Allen, Amelia S., 
wrens, 166 
Allen, J. A., death notice, 170 
Aluco pratincola, 167 
Ammodramus, 17 
bairdi, 140 
savannarum bimaculatus, 169 
Anas, 17 
fulvigula, 28 
fulvigula fulvigula, 29 
fulvigula maculosa, 29 
platyrhynchos, 28 
rubripes, 29 
Anthus, 129 
rubescens, 163 
Aphelocoma californica, 35 
californica oocleptica, 66 
woodhousei, 60 
Aphriza virgata, 158 
Archibuteo lagopus sancti-johannis, 32 
Arenaria melanocephala, 158 
Arquatella maritima couesi, 94, 158 
ptilocnemis, 50, 57, 94 
Astragalinus psaltria hesperophilus, 33, 62 
Asyndesmus lewisi, 60 
Auklet, Cassin, 96 
Rhinoceros, 96 
food of western house 
Baeolophus inornatus griseus, 61 
inornatus inornatus, 33 
Balanosphyra formicivora aculeata, 61 
Baldpate, 92 
Basilinna leucotis, 99 
Bassett, Frank N., the nuptial flight of the 
Allen hummingbird, 37; the speed of 
a flying dove, 190 
Bent, A. C., the probable status of the Paci- 
fic coast skuas, 78 
Bicknell, Mrs. F. T., the Sabine gull in 
southern California, 193 
Bird, Red-billed Tropic, 195 
Bittern, 157 
Blackbird, Bicolored, 67 
Brewer, 58, 90, 99 
California Brewer, 196 
Red-winged, 66, 99 
Rusty, 159 
San Diego Redwing, 67 
San Francisco Bay Redwing, 67 
Sonoran Red-winged, 168 
Yellow-headed, 99 
Bluebill, 85 
Blue-bird, Chestnut-backed, 64 
HKastern, 140 
Mountain, 64 
Western, 138, 140 
Bob-white, 90 
Bombycilla cedrorum, 58, 159 
' garrula, 35, 159 
Bonnot, Paul, sparrow hawk captures swal- 
low, 136 
Botaurus lentiginosus, 130, 157 
Brachyramphus hypoleucus, 96 
Brant, Black, 92 
Branta canadensis, 129 
canadensis canadensis, 92, 100 
nigricans, 92 
Brooks, Allan, a twelvemonth with the 
shorebirds, 151; mews note regard- 
ing, 197 
Bryant, Harold C., a California woodpecker 
steals eggs of wood pewee, 33; the 
harlequin duck in the Yosemite val- 
ley, 35; red-bellied hawk eats cater- 
pillars, 65 
Bubo virginianus occidentalis, 136, 196 
virginianus pacificus, 136 
virginianus pallescens, 136 
Bufflehead, 85, 157, 165, 192 
Bunting, Lazuli, 90, 163 ; 
Burnett, W. L., a new bird for Larimer 
County, Colorado, 167 
Bush-tit, 184 
California, 35 
Coast, 121 
Buteo, 129 
borealis calurus, 60 
lineatus elegans, 65 
Cc 
Calidris canutus rufus, 172 
Calypte costae, 49 
Canutus, 172 
Canvas-back, 85 
Caracara, Audubon, 195 
Cardinal, Arizona, 95 
Carpodacus cassini, 61, 163, 165 
mexicanus frontalis, 62, 163 
Catbird, 90 
