Nov., 1921 
birds of Montana’, 139; Cassin king- 
bird in Montana, 166 
Progne subis subis, 58, 63 
Psaltriparus minimus californicus, 35 
minimus minimus, 122, 184 
plumbeus, 61 
Ptilopus, 17 
Ptychoramphus aleuticus, 96 
Puffinus griseus, 91 
opisthomelas, 96 
tenuirostris, 91 
Pyrocephalus rubinus mexicanus, 166 
Pyrrhuloxia sinuata sinuata, 95 
Q 
Quail, California Valley, 167, 184 
Querquedula cyanoptera, 140, 194 
R 
Rail, Virginia, 92 
Rallus virginianus, 92 
Raven, 72, 133 
Ray, Milton §S., the black-throated gray 
warbler in Santa Cruz County, Cali- 
fornia, in summer, 65; on the occur- 
rence of the buffle-head at Hagle 
Lake, 192 
Record of birds banded, 197 
Redhead, 85, 90 
Redstart, 90 
American, 58 
Redwing, San Diego, 90 
Regulus calendula calendula,. 61 
Rhothonia, 172 
Rice, Margaret, on the flocking of black- 
birds, 99 
Riparia riparia, 57 
Rissa tridactyla pollicaris, 156 
Ritter, William E., acorn-storing by the Cal- 
ifornia woodpecker, 3 
Robertson, John McB., southern California 
screech owl in western Orange Coun- 
ty, 97; white-throated sparrow in Or- 
ange County, 138 
Robin, 145 
Western, 64, 88, 90, 169 
Rough-leg, Ferruginous, 134 
S 
Salpinctes obsoletus obsoletus, 63, 97, 163 
Sanderling, 151, 153, 154 
Sandpiper, Aleutian, 55, 94, 151, 152, 158 
Baird, 95, 152, 153, 154 
Least, 95, 151, 153, 154, 155 
Pectoral, 32, 57, 95, 152, 153, 154, 155 
Pribilof, 50-57 
Purple, 55, 56 
Red-backed, 155 
Semipalmated, 153, 154 
_ Sharp-tailed, 57, 94, 95 
Spotted, 152, 154, 155 
Stilt, 154 
INDEX TO VOLUME XXIII 207 
Western, 32, 92, 151, 152, 153, 154, 155 
Western Solitary, 152 
Saunders, Aretas A.., photograph, 70; review 
of his “a distributional list of the 
birds of Montana’, 139 
Sayornis nigricans, 35 
phoebe, 57 
Sayus, 97, 169 
Scotiaptex nebulosa nebulosa, 158 
Selasphorus alleni, 37, 160 
platycercus, 61 
rufus, 61, 160 
Serpentarius, 130 
Setophaga ruticilla, 58 
Shearwater, Black-vented, 96 
Fleshy-footed, 171 
Slender-billed, 91 
Sooty, 91 
Shrike, Eversmann, 93 
Northern, 159 
White-rumped, 35 
Sialia currucoides, 64, 140 
mexicana bairdi, 64 
mexicana occidentalis, 138 
Sialis sialis, 140 
Sitta canadensis, 58, 163 
carolinensis nelsoni, 64 
pusilla, 131 
pygmaea pygmaea, 64 
Skinner, M. P., notes on the Rocky Moun- 
tain jay in the Yellowstone National 
Park, 147 
Snipe, Wilson, 93, 151, 152, 154, 158 
Solitaire, Townsend, 159 
Sparrow, Black-chinned, 58 
Bryant Marsh, 164 
Cassin, 57 
Dwarf Marsh, 164 
Dwarf -Savannah, 196 
English, 35, 58, 62, 127, 184 
Fox, 40 
Golden-crowned, 68, 136, 138 
Intermediate, 97, 138 
Merrill Song, 90 
San Clemente Song, 97 
Santa Cruz Song, 33 
Slate-colored Fox, 90 
Sooty Fox, 180, 182 
Stephens Fox, 80 
Townsend Fox, 36 
Valdez Fox, 180 
Warner Mountains: Fox, 196 
Western Chipping, 62, 88, 90 
Western Lark, 62, 134 
White Mountains Fox, 196 
White-throated, 68, 138 
Yakutat Fox, 180, 182 
Yolla Bolly Fox, 178 
Yosemite Fox, 73, 196 
Sphyrapicus thyroideus, 60 
varius nuchalis, 60 
