No%^, 1911 
INDEX TO VOLUMP: XIII 
>\1 
Buteo borealis alascensis, 21.3 
borealis cahirus, 66, 7.3, 1,31, 1,3.5, 205 
lineatris elegans, 161 
swainsoni, 162, 209 
Butorides viresceiis aiUhoiiyi, ,35, 160 
Blizzard, 44, 45 
c 
Calaiiiospiza nielanocor 3 's, 95 
Calypte anna, 74, 1,32 
Canvasback, 122, 1,30, 191, 192, 194, 195 
Carpodaciis cassini, 204, 205 
niexicanus cleiiieiitis, 32, 210 
niexicaniis frontalis, 68, 74, 82, 108, 132, 
152, 162, 181 
purpiireus californiciis, 120 
Carriger, II. W. [with Ray, IM. S.], an April 
day list of Calaveras Valle}' birds, 7.3 
Catbird, 69, 108 
Cathartes aura septentrionalis, 66, 131, 1,35, 
152, 204 
Catliartornis gracilis, 79 
Catherpes inexicanns punctulatns. 111 
Catoptrophonrs seinipalniatns inornatns, 152 
Cedarbird, 107 
Centrocercns nropliasianns, 65 
Cepphus colnniba, 174 
Ceryle alcyon, 152, 204 
Chaeniepelia passerina pallescens, 54 
Chaetura vanxi, 211 
Chaffinch, 84 
Chamaea fasciata henshawi, 30, 121, 15,3 
fasciata intermedia, 74 
Charitonetta albeola, 1,30, 134 
Chat, Long-tailed, 69, 74, 102 
Chen hyperboreus, 10,3 
Chewink, 101 
Chickadee, Chestnut-backed, 121 
Long-tailed, 69 
Mountain, 205 
Santa Crnz, 21 1 
Chondestes grainmacus strigatus, 68, 74, 95, 
1,3,3 
Chordeiles acntipennis texensis, 135, 160 
virginianus, 101 
virginianirs henryi, 67 
virginianus hesperis, 205 
Ciconia maltha, 79 
Cinclus niexicanus unicolor, 205 
Circus hudsonius, 66, 103, 131, 166 
Clangula clangula americana, 22 
islandica, 50 
Clay, C. I., some diving notes on cormorants, 
138; the spotted owl in northern Califor- 
nia, 75 
Coccyzus americanus, 97 
americanns occidentalis, 66, 69 
Coeligena clemenciae, 47 
Colaptes anratus luteus, 209 
Colaptes cafer collaris, 67, 74, 119, 132, 135, 
163, 203, 204, 205, 209 
Colinus virginianus, 65, 104 
Colymbus nigricollis californiciis, 134, 157 
Condor, Andean, 79 
California, 39, 79 
Cooper Club Directory of Memliers, 14,3 
Coot, 65, 152, 160 
American, 1.31 
Cormorant, Baird, 138, 178 
Brandt, ,32, 138, 178 
LMrallon, 129, 1,30, 1.34, 177, 179 
Corviis brachyrhynchos hesperis, 67, 74, 132 
corax sinnatus, 67, 132, 135, 152, 162, 167, 
181, 210 
Coturnicops noveboracensis, 108 
Cowbird, 68, 95, 101, 103, 107, 181 
Dwarf, 1.32, 135, 152, 161 
Crane, Little Brown, 50 
vSandhill, 103, 129, 1.30, 134 
Crossbill, IMexican, 210 
Red, 108 
White-winged, 100 
Crow, Blue, 44, 93 
Clarke, 93 
Western, 67, 74, 132 
Cuckoo, California, 19, 66, 69 
Yellow-billed, 97 
Curlew, 103 
Hudsonian, 211 
Long-billed, 152, 211 
Cyanocephalus cyanocephalus, 75 
Cyanocitta cristata, 104 
stelleri carbonacea, 74 
stelleri diademata, 35 
stelleri frontalis, 119, 163, 203, 204, 205, 
208 
Cyphornis magnus, 117 
Cypseloides niger borealis, 160 
D 
Dafila acuta, 103, 1,30, 134, 152, 158, 186 
Dawson, W. L., two species new to California, 
167; another fortnight on the Farallones, 
171 
Dendragapus obscurns fuliginosns, 119 
Dendrocygna bicolor, 158 
Dendroica aestiva aestiva, 69, 107 
aestiva Imewsteri, 15.3, 205 
aestiva rubiginosa, 182 
auduboni auduboni, 37, 74, 13.3, 137, 210 
auduboni nigrifrons, .37 
coronata hooveri, 21.3 
magnolia, 182 
nigrescens, 137, 153 
townsendi, 182 
Virens, 168, 182 
Dickcissel, 100, 101 
Diomedea nigripes, 151 
Dipper, 205 
Dolichonyx oryzivorus, 67, 75, 109, 211 
