1919 
COLAPTES 
Hybrid, XX, 142”; miscl., XVI, 56°. 
chrysoides mearnsi (*Mearns Gilded 
Flicker, *chrysoides), Ariz., XIV, 57°, 59- 
60°; XVII, 158", 160; XVIII, 212; XX, 169°; 
Calif., XVII, 233.—Nest, XIV, 57°; XVII, 
160; photo., XVII, 161, 162; miscl., XI, 
147-148", 201°. 
Colburn, Albert Ernest: XVII, dwarf cow- 
bird on the Coronado Islands, 165. 
XIX, the goshawk in southern California 
and Arizona, 185. 
Colinus graysoni nigripectus, Morelos, XI, 
64. 
ridgwayi (Masked Bob-white), Ariz., XV, 
186. 
virginianus texanus (*Texas Bob-white), 
Tex., XII, 95; XV, 182-186"; XxX, 39.— 
Nest, XX, 39. 
virginianus virginanus (*Bob-white), 
Ark., XVII, 42; Colo., XI, 116; Idaho, XVII, 
123; Kan., XI, 155, 157; Mon., XIV, 24; 
Ore. XIII, 65; S. Dak., XIII, 104: Tex., 
XVIII, 1548; Wash., XVI, 253-254.—Miscl., 
XIV, 136°; XV, 190°; XVI, 27°; XIX, 128°. 
Collyriocichla harmonica (Gray _ Shrike- 
thrush), Aust., XIV, 46—Food, XIV, 46. 
Color standards and nomenclature: 
Dawson, W. L., XV, 211, 212. 
Colorado: 
Bent, A. C., XVII, 130. 
Bradbury, W. C., XVII, 214; XIX, 143, 149; 
NEXENTOS) Lot, LOK. 
Burnett, W. L., XVII, 148. 
Cooke, W. W., XIV, 147; XV, 104. 
Felger, A. H., XI, 68. 
Figgins, J. D., XV, 158. 
Frey, J. W., XI, 70. 
Henderson, J., XVIII, 36; XIX, 141. 
Hersey, J. C., XIII, 109. 
Hersey, L. J., XI, 109; XIV, 108, 154; XV, 
93. 
Richards, G., XI, 101, 165. 
Rockwell, R. B., XI, 24, 33, 90, 106, 109; 
iio 64) Ss XG ib, 12d) 186; 
SVG Li. 
Sclater, W. L., XIV, 226. 
Sloanaker, J. L., XVII, 60. 
Smith, H. G., XII, 133. 
Warren, HE. R., XI, 11; XII, 28, 79; XIII, 
153; XIV, 81; XV, 110; XVII, 90. 
Columba fasciata fasciata (*Band-tailed 
Pigeon), Ariz., XV, 41; XVI, 259; XVIII, 
fii Be Gy ev, 213 Calif, Xa 445 Xavi, 
174, 194; XV, 26, 94, 129, 151, 227; XVI 
Somes 1450 200. xXeval, 1928) 1933) XsVInT 
169, 232; XX, 15, 45; Ore., XVIII, 75; XIX, 
98": Tex., XIX, 162; Wash., XVIII, 8°.— 
Bibliography, XV, 38; discv., XVIII, 6°; 
distb., with map, XV, 26"; food, XV, 28°; 
XVIII, 75; hbt., XIX, 98"; 1. hist., XV, 25; 
nest, XIV, 194; XV, 30%, 41, 129, 227; XVI, 
259; XVII, 193; XVIII, 110; photo., XVII, 
111; prot., XIV, 108, 112%, 229-230°; XV, 25- 
40", 1278; miscl., XIV, 200°; XV, 133%, 186"; 
SECOND TEN YEAR iNDEX 27 
CONURUS 
XVIII, 170°. 
fasciata vioscae (Viosca Pigeon), L. 
Calif., XI, 11, 143.—Nest, XI, 11, 143. 
flavirostris (Red-billed Pigeon), Tepic, 
XII, 78. 
Columbigallina, see Chaemepelia. 
Colymbus auritus (*Horned Grebe), Alas- 
ka, XIX, 15; Calif., XVII, 204; Colo., XI, 
110; Idaho, XIX, 30; N. Dak., XVIII, 17- 
18"; Ore., XVI, 109; Yukon, XI, 203.— 
Eggs, XVI, 170, 172. 
dominicus brachypterus (*Mexican or 
San Domingo Grebe), Tepic, XII, 76; Tex., 
XVIII, 218", 221; XX, 38.—Hegegs, XVI, 174; 
nest, XVILE, 221. XX 88: photo: XVE 
173. 
dominicus dominicus, eggs, XVI, 174. 
holboelli (*Holboell Grebe), Alaska, 
OVO DeLee Op, NON 84a Calite. 
XX, 93; Mon., XVI, 127; N. Dak., XVIII, 
16-18"; XX, 171°, 175°; Yukon, XI, 203.— 
Eggs, XVI, 172; photo., XVI, 171. 
nigricollis californicus (*American 
Eared Grebe), Calif., XIII, 134, 157; XIV, 
33; XV, 119, 155-156*; XVII, 168; XVIII, 
1008, We7"; 77, 194, 195; 2225 Tee brs: 
XX, 16, 18, 147°, 1968; Colo., XI, 13, 110; 
XII, 28, 188; XIV, 88; Idaho, XV, 41; XVII, 
121; L. Calif., XV, 20; Mon., XIV, 23; XVI, 
127; XVIII, 114; N. Dak., XVIII, 17-183; 
ROR S ORs Moxes OVAL Sits) 228) NENG OS 
Utah, XVIII, 1148.—Alb., XX, 196"; destr., 
XX, 1479: eggs, MIL 167; XVI, 170-174; 
nest, XI, 110; XII, 188; XIV, 88; XVIII, 
178, 167%, 177, 195, 221°; XX, 38; photo, 
NIG: 1885 189s Xv 2 emiscl el, 
199"; XIII, 40°. 
nigricollis nigricollis, eggs, XVI, 172. 
torquatus, miscl., XVI, 169. 
Compsothlypis americana ramalinae 
(*Western Parula Warbler), Kan., XI, 155, 
156s G2 MexcexoViLLI wba: 
americana usneae (Northern Parula 
Warbler), Ark., XVII, 53; Colo., XIV, 152. 
pitiayumi nigrilora (Sennett Warbler), 
Me xe Nl ek Ole 
Concealing and revealing coloration: 
Henderson, J., XV, 8. 
Condor, Andean, see Sarcorhamphus gry- 
phus. 
California, see Gymnogyps  californi- 
anus. 
Conservation and protection of birds: 
Arnold, W. W., XVIII, 190. 
Gifford, H., XIX, 73. 
Grinnell, J., XV, 25. 
Taylor, W. P., XV, 45, 125; XVIII, 132. 
Conurus aeruginosus tortugensis, Leeward 
Islands, XII, 49. 
aztec (Aztec Paroquet), Honduras, XII, 
55. 
canicularis (Red and Blue-headed Par- 
rot), Tepic, XII, 76. 
neoxenus, Leeward Islands, XII, 49. 
