heir eggs are slightly larger than those of
the other Bluebirds and have a slight greenish tint; size .85 x .64.

[Illustration 452: Bluish white.]
[Illustration: Bluebird.]
[Illustration: left hand margin.]

Page 451

INDEX

Acanthis hornemanni, 328
" exilipes, 328
linaria, 329
" holboeli, 329
" rostrata, 329

Acanthopneuste borealis, 430

Accipiter cooperi, 205
velox, 204

Actitis macularia, 158

AEchmophorus occidentalis, 11

AEegialitis dubia, 166
hiaticula, 166
meloda, 166
mongola, 167
nivosa, 167
semipalmata, 165

Aeronautes melanoleucus, 270

AEstrelata fisheri, 67
hasitata, 67
scalaris, 67

Aethia cristatella, 25
" pygmaea, 25
" pusilla, 26

Agelaius gubernator californicus, 317
phoeniceus, 316
" bryanti, 316
" caurinus, 316
" floridanus, 316
" fortis, 316
" neutralis, 316
" sonoriensis, 316
tricolor, 317

Aimophila carpalis, 353
ruficeps, 353
" eremoeca, 353
" scotti, 353
" sororia, 353

Aix sponsa, 95

Ajaja ajaja, 115

Alauda arvensis, 297

Alaudidae, 297

Albatross, Black-footed, 59
Laysan, 60
Short-tailed, 59
Sooty, 60
Yellow-nosed, 60

Alca torda, 31

Alcedinidae, 247

Alcidae, 21

Alle alle, 34

Aluconidae, 227

Alucopratincola, 227

Amzillis cerviniventris chalconota, 279
tzacatl, 278

Ammodramus bairdi, 338
savannarum australis, 338
" bimaculatus, 338
" floridanus, 340

Amphispiza belli, 351
nevadensis cinerea, 352
" nevadensis, 352
bilineata bilineata, 351
" deserticola, 351

Anas platyrhynchos, 88
fulvigula fulvigula, 90
" maculosa, 91
rubripes, 90

Anatidae, 87

Anhinga, 77
anhinga, 77

Anhingidae, 77

Ani, 241
Grove-billed, 243

Anous stolidus, 57

Anser albifrons albifrons, 108
" gambeli, 108
fabalis, 108

Anseres, 87

Anthus cervinus, 419
pratensis, 418
rubescens, 418
spraguei, 419

Antrostomus carolinensis, 263
vociferus vociferus, 263
" macromystax, 264

Aphelocoma californica californica, 307

Aphelocoma californica hypoleuca, 307
" obscura, 307
cyanea, 306
cyanotis, 307
insularis, 307
sieberi arizonae, 307
" couchi, 308
texana, 307
woodhousei, 306

Aphriza virgata, 169

Aphrizidae, 169