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The A. O. U. Check-List: Its History and Its Future
Volume 20, Page 1
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Birds of Porto Rico (Concluded)
Volume 20, Page 10
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Migration of Richardson's Grouse
Volume 20, Page 24
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An Ornithological Visit to Los Coronados Islands, Lower California
Volume 20, Page 27
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The Vernacular Names of Birds
Volume 20, Page 38
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Arizona Bird Notes
Volume 20, Page 43
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Notes concerning Certain Birds of Long Island, N. Y
Volume 20, Page 50
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The Diary of a Cardinal's Nest
Volume 20, Page 54
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An Epidemic of Roup in the Canandaigua Crow Roost
Volume 20, Page 57
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Twentieth Congress of the American Ornithologists' Union
Volume 20, Page 59
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Breeding Grounds of the Black and Socorro Petrels. A Correction
Volume 20, Page 63
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A Hybrid Duck
Volume 20, Page 64
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Massachusetts Breeding Dates for Bartramia longicauda
Volume 20, Page 65
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Recent Records of the Wild Pigeon
Volume 20, Page 66
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Richardson's Merlin (Falco columbarius richardsonii) on the Coast of South Carolina
Volume 20, Page 67
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Breeding of the Alder Flycatcher (Empidonax traillii alnorum) near Plainfield, New Jersey
Volume 20, Page 68
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Another Record of phryothorus ludovicianus in Massachusetts
Volume 20, Page 69
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Ohio Notes
Volume 20, Page 70
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Ridgway's 'Birds of North and Middle America.' Part II
Volume 20, Page 73
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Mrs. Bailey's 'Handbook of Birds of the Western United-States'
Volume 20, Page 76
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Brewster's 'Birds of the Cape Region of Lower California'
Volume 20, Page 78
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Snodgrass and Heller on the Birds of Clipperton and Cocos Islands
Volume 20, Page 81
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Knight's 'The Birds of Wyoming'
Volume 20, Page 82
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Henninger's List of the Birds of Middle Southern Ohio
Volume 20, Page 83
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Burroughs's 'John James Audubon'
Volume 20, Page 85
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Strong on the Development of Color in Feathers
Volume 20, Page 86
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Publications Received
Volume 20, Page 89
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Notes and News
Volume 20, Page 90
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Report of the A. O. U. Committee on the Protection of North American Birds
Volume 20, Page 101
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The Domestic Affairs of Bob-White
Volume 20, Page 161
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Occurrence of the Emperor Goose in Hawaii
Volume 20, Page 164
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Preserving Equilibrium by the Use of One Wing
Volume 20, Page 167
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Bird Migration at Some of the Bahama Lighthouses
Volume 20, Page 169
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A List of the Land Birds of Lake Valley, Central Sierra Nevada Mountains, California
Volume 20, Page 180
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Food Habits of Some West Indian Birds
Volume 20, Page 193
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A Review of the Genus Catherpes
Volume 20, Page 196
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A Synopsis of the Genus Psaltriparus
Volume 20, Page 198
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A List of Land Birds from Central Washington
Volume 20, Page 202
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A Hybrid Duck, Anas boschas × Nettion carolinensis
Volume 20, Page 209
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Woodcock Notes
Volume 20, Page 210
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Nesting of the Goshawk in Southern New Hampshire
Volume 20, Page 211
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The Short-Eared Owl (Asio accipitrinus) Taken Far out at Sea
Volume 20, Page 212
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Breeding of the Evening Grosbeak in Captivity
Volume 20, Page 213
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A Further Note on the Subspecies of Passerculus sandwichensis Inhabiting Labrador
Volume 20, Page 215
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Note on Sylvia cærulea Wilson
Volume 20, Page 216
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A Case of Mistaken Diagnosis
Volume 20, Page 218
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Ornithological Magazines. 'The Condor'
Volume 20, Page 219
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Jacobs's 'The Story of a Martin Colony'
Volume 20, Page 226
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Pycraft on 'The Significance of the Condition of Young Birds at Birth'
Volume 20, Page 227
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Strong on a Case of Abnormal Plumage
Volume 20, Page 228
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Richmond on Birds from the Andaman and Nicobar Islands
Volume 20, Page 229
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Fisher on a New Tern from Necker Island
Volume 20, Page 230
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Proceedings of the Delaware Valley Ornithological Club
Volume 20, Page 231
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Publications Received
Volume 20, Page 232
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Some Suggestions
Volume 20, Page 234
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Vernacular Names of Birds
Volume 20, Page 236
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Notes and News
Volume 20, Page 242
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Notes on the Ornithological Observations of Peter Kalm
Volume 20, Page 249
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Notes on the Birds of Madison County, New York, with Especial Reference to Embody's Recent List
Volume 20, Page 262
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Notes on Winter Crow Life in the Delaware Valley
Volume 20, Page 267
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On the Generic Names of the North American Owls
Volume 20, Page 272
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Notes on the Birds of the Cariboo District, British Columbia
Volume 20, Page 277
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Notes on the Habits of Certain Venezuelan Birds
Volume 20, Page 285
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Recognition of Geographic Variation in Nomenclature
Volume 20, Page 294
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The California Meeting of the American Ornithologists' Union
Volume 20, Page 299
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Additional Records of the European Widgeon (Mareca penelope) in Indiana
Volume 20, Page 303
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Nesting of the Red-Bellied Woodpecker in Harford County, Maryland
Volume 20, Page 305
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A Much Mated House Sparrow
Volume 20, Page 306
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Lophophanes vs. Bæolophus
Volume 20, Page 308
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Ohio Notes
Volume 20, Page 309
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Mudge on the Tongue Muscles of Parrots
Volume 20, Page 310
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Winkenwerder on the Migration of Birds
Volume 20, Page 311
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North American Water-Fowl
Volume 20, Page 313
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The 'New' Edition of Nuttall
Volume 20, Page 314
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Scott's 'The Story of a Bird Lover'
Volume 20, Page 315
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Mrs. Bignell's 'My Woodland Intimates'
Volume 20, Page 316
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Proceedings of the Nebraska Ornithologists' Union
Volume 20, Page 317
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Stone on a Collection of Birds from Sumatra
Volume 20, Page 318
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McGregor on Birds from Norton Sound
Volume 20, Page 319
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Bangs on New Subspecies of American Birds
Volume 20, Page 320
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North's Nests and Eggs of Australian Birds
Volume 20, Page 321
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Seth-Smith's Handbook of Parrakeets
Volume 20, Page 322
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Shufeldt on the Classification of Certain Groups of Birds
Volume 20, Page 323
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Publications Received
Volume 20, Page 324
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Notes and News
Volume 20, Page 326
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Twelfth Supplement to the American Ornithologists' Union Check-List of North American Birds
Volume 20, Page 331
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Further Notes on the Philadelphia Vireo, with Description of the Nest and Eggs
Volume 20, Page 369
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Auduboniana
Volume 20, Page 377
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Notes on the Birds Peculiar to Laysan Island, Hawaiian Group
Volume 20, Page 384
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The Black-Winged Palm Tanager
Volume 20, Page 398
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Notes on the Anatomy of Geospiza, Cocornis, and Certhidia
Volume 20, Page 402
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A Contribution to the Life History of the Herring Gull (Larus argentatus) in the United States
Volume 20, Page 417
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A New Subspecies of Nighthawk from the Bahama Islands
Volume 20, Page 431
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Nighthawk Migration in New Hampshire
Volume 20, Page 434
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Nests and Eggs of Cœligena clemenciæ
Volume 20, Page 435
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Sand Swallows (Riparia riparia) Nesting in Sawdust
Volume 20, Page 436
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An Interesting Solitary Vireo (Vireo solitarius)
Volume 20, Page 437
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Bell's Vireo (Vireo bellii) in Colorado
Volume 20, Page 438
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Some New Records for Nova Scotia
Volume 20, Page 439
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Formalin Fails as an Insecticide for Dermestes
Volume 20, Page 440
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Dresser's 'A Manual of Palæarctic Birds'
Volume 20, Page 441
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Huntington's 'Our Feathered Game'
Volume 20, Page 443
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Degen on the "Perennial Moult" in the Australian Piping Crow
Volume 20, Page 444
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Howe and Sturtevant's Revised List of the Birds of Rhode Island
Volume 20, Page 446
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Bonhote's List of Birds Collected in the Bahamas
Volume 20, Page 447
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Sherborn's 'Index Animalium'
Volume 20, Page 448
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Chapman's 'The Economic Value of Birds to the State'
Volume 20, Page 453
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Publications Received
Volume 20, Page 454
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The Use of Trinomials
Volume 20, Page 456
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Notes and News
Volume 20, Page 457