1919 
OCEANODROMA 
31-34; XVII, 76.—Nest, XI, 136; XIII, 34; 
XVII, 76; photo., XVII, 77; miscl., XVII, 
74°. 
Ochthodromus wilsonius wilsonius (*Wilson 
Plover, ’Aegialitis), Calif., XX, 187; L. 
Calif., XI, 11°—Eggs, XV, 147, 150; nest, 
XI, 11°; XX, 187; photo., XV, 147; miscl., 
XVI. 25%, 27°. 
Oidemia americana (*American  Scoter), 
Alaska, XVI, 77; XX, 85; Calif., XIV, 41; 
XVIII, 39°, 83, 108, 203; Colo., XI, 113. 
deglandi (* White-winged Scoter, "dix- 
oni), Alaska, XVI, 77; XVII, 29°; XVIII, 
Zone) Iss G+ BSC.) Rex, 185s (Calif, Xi, 
193; XII, 173, 204%; XV, 156%; XVIII, 1083, 
223; Colo., XI, 113; Idaho, XVII, 122; L. 
Calif., XIII, 151; Mon., XVII, 114; N. Dak., 
XVII, 228%; XVIII, 55-56"; XX, 25, 132-133", 
175*; Ore., XVI, 112; XVIII, 35; Wash., 
XI, 33.—Hbt., XX, 26°. 
perspicillata (*Surf Scoter), Alaska, 
XVI, 78; XIX, 16; Calif., XI,-65°, 193; XII, 
173; XV, 156%; XVIII, 45%, 108-110", 223; 
Colo., XI, 113; Idaho, XV, 41; XVII, 122; 
L. Calif., XV, 21; Mon., XVII, 114; Ore., 
XVI, 113; Wash., XI, 33.—Nest, XVI, 78. 
Oklahoma: 
Bunker, C. D., XII, 70. 
Old-squaw, see Harelda hyemalis. 
Olor buccinator (*Trumpeter Swan), Colo., 
XI, 114; Idaho, XVII, 128; XIX, 32; Mon., 
XVII, 115; Wash., XVIII, 171.—Miscl., 
XVII, 1362; XVIII, 228%; XIX, 176°. 
columbianus ("Whistling Swan), Alas- 
Rae OVA Sse ATIZ.,) SUD pos ATK NOVEL. 
42) Calif., XVIII, 392; XX, 93; Colo., XI, 
pila eeon, | eXVe, 233 SSVI, 126%) 9129) 
Wash., XVIII, 171.—Discv., XVIII, 5%; 
miscl., XVIII, 228°. 
eygnus (*Whooping Swan), miscl., 
XVIII, 228°. 
Oncostoma cinereigulare, Honduras, XII, 57. 
Onychorhynchus mexicanus mexicanus 
(*Royal Flyatcher), Honduras, XII, 56°. 
Oology: - 
Dawson, W. L., XVIII, 68. 
Ingersoll, A. M., XII, 15. 
Kennedy, C. H., XVII, 65. 
Massey, H., XV, 193. 
Peyton, S. B., XIX, 103. 
Ray, M. S., XII, 19. 
Richards, T. W., XVI, 161. 
Rockwell, R. B., XI. 34. 
Shepardson, D. I., XVIII, 35. 
Shufeldt, R. W., XIV, 209; XV, 138; 
XVI, 169. 
Wetmore, A., XIX, 65. 
Willard, F. C., XVII, 97; XX, 167. 
Opisthocomus hoazin (*Hoatzin), hbt., XII, 
82". 
Oporornis agilis (Connecticut Warbler), 
Kan., XI, 156, 162. 
formosa (Kentucky Warbler), Ark., 
SECOND TEN YEAR INDEX 59 
OREOSPIZA 
XVII, 54; Tex., XX, 43:—Nest, XX, 43. 
philadelphia (Mourning Warbler), Ark., 
eee 54; Tex., XII, 102.—Miscl., XVIII, 
tolmiei (*"Tolmie Warbler, ’Macgillivray 
Warbler, ‘Geothlypis), B. C., XIV, 21; 
Calif., XI, 65°; XV, 85; XVI, 29", 38, 70; 
XVII, 88, 102, 165, 199; XVIII, 123-127; 
OG Wye 1k? (Oty 235 aA Say BEI ocdinye 
1025) KVIT, Ubi; Idaho, XiVIT, W28i) Gx 
41; Mon., XIV, 30; XVI, 142; Morelos, XI, 
63°; N. Mex., XIV, 116; Ore., XVIII, 79; 
XIX, 139; Wash., XII, 168°.—Disev., XVIII, 
9°; nest, XI, 65%; XIV, 116; XV, 85; XVI, 
70; XVIII, 124; photo., XI, 653. 
Oregon: 
Bailey, F. M., XIX, 8, 46, 95. 
Bowles, C. W., XII, 204; XIV, 196. 
Bryant, HH. Cl Xo 27. 
Dawson, W. L., XVI, 41. 
Jewett, S. G., XI, 138; XV, 226, 229; 
XVI, 93, 107; XVIII, 21, 74. 
Murie, O. J., XV, 176. 
Peck, M. E., XIII, 63, 75. 
Shelton, A., XVII, 60. 
Stannard, E., XI, 68. 
Telford, H., XVIII, 35. : 
Walker, A., XVI, 94, 183; XIX, 131; XX, 
44. 
Oreocichla mollissima, eggs, XVI, 167. 
Oreortyx picta picta ("Mountain Quail, 
’Painted Quail, ‘plumifera), Calif., XIII, 
1D) eXeVIT 9225 OSS -exeVITT 39°" 5 Ores 
XI, 1398; XVIII, 74; XIX, 134. 
picta plumifera (*"Plumed Quail, "Moun- 
tain Quail, ‘confinis), Calif., XI, 84%, 170; 
XIII, 205; XV, 83, 203; XVI, 59, 145; XVII, 
163; XVIII, 34, 173; XIX, 169, 186, 187°; 
XX, 56°.—Disease, XIV, 136°; XX, 61°; 
food, XIII, 204; fos., XIV, 44°; hybrid, 
XIII, 149; migr., XX, 61;.nest, XV, 83; 
XVI, 59; XVIII, 173; syn., XVI, 97°; miscl., 
ol, 48; els 1=142""" XT 5 0Ps Xe 1325 
DAMN PRAT EE 
Oreoscoptes montanus (*Sage Thrasher, 
>Mountain Mockingbird, ‘Oroscoptes), 
Ariz., XI, 50°; Calif., XI, 174°; XII, 108°; 
XIII, 129°, 187, 161; XVII, 234; XVIII, 29, 
194, 198; XIX, 148; Colo.; XI, 17°; XII, 26- 
278, 38°; XIV, 86%, 102; Idaho, XVI, 120°, 
1PM S<ib:¢, Cale oN DANY, Wily CAleR ORD 
XIII, 69; XIX, 133, 140; Tex., XV, 183; 
Wash., XVI, 251%, 254"—Discv., XVIII, 9°; 
nest, XII, 38°; photo., XIX, 35°; miscl., 
XVIII, 92°. 
Oreospiza chlorura (*Green-tailed Towhee), 
Ariz., XIII, 37°; Calif., XII, 131; XIII, 108, 
205: XIV, 174%, 177%; XV, 84, 203; XVI, 
210: XVII, 165; XVIII, 194, 198; XIX, 
He OsmeNeXOML be W735 ees LCOlO., NW, UGS 708 
120; XII, 37; XIV, 100; XVII, 150; Idaho, 
XIX, 41; Mon., XIV, 29; N. Mex., XIV, 
114"; Tex., XII, 100; XVIII, 129.—Food, 
XIII, 203", 204%, 206"; nest, XIV, 174°, 177°; 
