810 INDEX. 
Numenius hudsonicus, 204-207. | 
longirostris, 203. 
occidentalis, 203. 
rufus, 203. 
Nuthatch, Brown-headed, 755-756. 
Canada, 688. 
Carolina, 683. 
Common, 683. 
Red-bellied, 688. 
Red-breasted, 688-692. 
White-bellied, 683. d 
White-breasted, 683-687. 
Nuthatches, Key to species, 683. ie 
Nuttall’s Pewee, 399. 
Nuttallornis borealis, 399-400. 
Nyctale acadica, 319. 
albifrons, 319. 
richardsoni, 314. 
tengmalmi var. richardsoni,'314. 
Nyctanassa violacea, 742. 
Nyctea nyctea, 331-333. 
scandiaca var. arctica, 331. 
Nyctiardea gardeni, 146. 
grisea var. nevia, 146. 
Nycticorax nycticorax nevius, 146-147. 
O. 
Odontophoride, 220. 
(Edemia americana, 106. 
Oidemia americana, 106. 
bimaculata, 106. 
deglandi, 106-107. 
perspicillata, 107-108. 
Olbiorchilus hiemalis, 675. 
Old Field Lark, 443. 
Old-squaw, 102-103. 
Old-wife, 102. 
Olive-backed Thrush, 715-718. 
Olive-sided Flycatcher, 399-400. 
Olor buccinator, 122-123. 
colunmbianus, 121-122. 
Oporornis agilis, 635. 
formosus, 633-635. 
philadelphia, 636-638. 
Orange-crown, 587. 
Orange-crowned Warbler, 587-588. 
Orchard Oriole, 448-449. 
Oriole, Baltimore, 450-452. 
Basket, 448. 
Brown, 448. 
Orchard, 448-449. 
Orioles and Blackbirds, Key to species,429. 
Oriolus ater, 434. 
mutatus, 448. 
pheeniceus, 439. 
spurius, 448. 
Orpheus carolinensis, 658. 
rufus, 661. 
Ortolan, 155. 
Ortygometra carolina, 155. 
noveboracensis, 159. 
Ortyx virginiana, 220. 
Oscines, 406. 
Osprey, 295-297. 
Otocoris alpestris alpestris, 407-408. 
Otocoris. alpestris hoyti, 410. 
alpestris praticola, 408-410. 
Otus americanus, 300. 
asio asio, 320-324. 
brachyotus, 302. 
vulgaris, 300. 
vulgaris var. wilsonianus,’ 300. 
wilsonianus, 300. 
Ovenbird, 627-629. 
Owl, Acadian, 319-320. 
Arctic, 331. 
Arctic Saw-whet,' 314. 
Barn, 298-300, 735. 
Barred, 306-310. 
Big Hoot, 324. 
Canadian, 333. 
Cat, 324. 
Day, 333. 
Ermine, 331. 
Gray, 320. 
Great Gray, 310-313. 
Great Horned, 324-330. 
Hawk, 333-334. 
Hoot, 306. 
Hudsonian, 333. 
Kirtland’s, 319. 
Lesser Horned, 300. 
Little Horned, 320. 
Long-eared, 300-302. 
Marsh, 302. 
Monkey, 298. 
Monkey-faced, 298. 
Mottled, 320. 
Prairie, 302. 
Rain, 306. 
Red, 320. 
Richardson’s, 314-315. 
Saw-whet, 319. 
Screech, 320-324. 
Short-eared, 302-306. 
Snowy, 331-333. 
Sparrow, 314, 319. 
Spectral, 310. 
Swamp, 302. 
Virginia Horned, 324. 
Western Horned, 330-331. 
White, 298, 331. 
White-fronted, 319 
Wood, 306. 
Oxyechus vociferus, 213-214. 
P. 
Painted Duck, 740. 
Painted Longspur, 751-752. 
Palm Warbler, 625-626 
Paludicole, 148. 
Pandion americanus,‘ 295. 
carolinensis, 295. ~ 
haliaetus, 295. 
haliaetus carolinensis, 295-297. 
Pandionide, 295. 
Parasitic Jeger, 48-49. 
Paridx, 692. 
Paroquet, Carolina, 749. 
Partridge, 224. 
