t 
é 
416 
obscura, Polioptila czrulea, 358. 
obscurus, Dendragapus, 138. 
obscurus, Molothrus ater, 232. 
obscurus, Regulus, 357. 
obscurus, Perisoreus, 227. 
obscurus, Vireo huttoni, 303. 
obsoletus, Faleo rusticolus, 164. 
obsoletus, Rallus, 102. 
obsoletus, Salpinctes, 336. 
occidentalis, Aichmophorus, 21. 
occidentalis, Ardea, 95. 
occidentalis, Branta canadensis, 86. 
occidentalis, Catharista, 389. 
occidentalis, Certhia familiaris, 344. 
occidentalis, Coccyzus americanus, 
182. 
occidentalis, Dendroica, 317. 
occidentalis, Geothlypis trichas, 322. 
occidentalis, Larus, 38. 
occidentalis, Otocoris alpestris, 221. 
occidentalis, Passerherbulus henslowi, 
258. 
occidentalis, Pelecanus, 65. 
occidentalis, Penthestes atricapillus, 
349. 
occidentalis, Sialia, 367. 
occidentalis, Strix, 170. 
oceanicus, Oceanites, 58. 
Oceanites, 58. 
Oceanitine, 58. 
Oceanodrama, 56. 
ochracea, Spizella monticola, 363. 
ochrophus, Helodromas, 121. 
Ochthodromus, 130. 
Odontoglosse, 90, 383. 
Odontolesx, 377. 
Odontophoride, 134. 
Odontorme, 375. 
cenanthe, Saxicola, 365, 366. 
Oidemia, 80. 
Old-squaw, 77. 
olivacea, Vireosylva, 298. 
olivacens, Myiarchus lawrencei, 211. 
olivaceus, Peucedramus, 310. 
olivaceus, Regulus satrapa, 356. 
Olor, 89, 382. 
INDEX. 
Onychoprion, 46. 
opisthomelas, Puffinus, 53. 
Oporornis 320. 
oreganus, Junco, 266. 
oregonus, Larus, 380. 
oregonus, Pipilo maculatus, 280. 
Orecrtyx, 135. 
Oreoscoptes, 330. 
Oreospiza, 282. 
~Oriole, Arizona, 237. 
Audubon’s, 236. 
Baltimore, 238. 
Bullock’s, 238. 
Orchard, 237. 
Scott’s, 236. 
Sennett’s, 237. 
ornatus, Calcarius, 252. 
Ornithopappi, 375. 
Ornithure, 375. 
. Ortalis, 146. 
oryzivorus, Dolichonyx, 231. 
osborni, Creccoides, 385. 
Oscines, 218. 
osceola, Meleagris gallopavo, 146. 
osgoodi, Canachites canadensis, 139. 
Osprey, 168. 
ossifragus, Corvus, 229. 
ostralegus, Hzmatopus, 132. 
Otocoris, 219. 
~Ocusyli2: 
Oven-bird, 319. _ 
, Owl, Aiken’s Screech, 173. 
Arctic Horned, 175. 
Barn, 168. 
Barred, 170. 
Burrowing, 177. 
California Pygmy, 178. 
California Screech, 173. 
Dusky Horned, 175. 
Dwarf Horned, 175. 
Dwarf Screech, 174. 
Elf, 178. 
European Hawk, 176. 
Ferruginous Pygmy, 178. 
Flammulated Screech, 174. 
Florida Barred, 170. 
