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Some Impressions of the Commoner Winter Birds of Southern Arizona
Vol 40, Iss 1, Page 17
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Are Birds Decreasing in Numbers?
Vol 40, Iss 1, Page 29
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Birds of Eastern McKenzie County, North Dakota
Vol 40, Iss 1, Page 39
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Editorial
Vol 40, Iss 1, Page 49
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Notes on Some Iowa and South Dakota Birds
Vol 40, Iss 1, Page 50
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Duck Banding in Lima Lake in 1927
Vol 40, Iss 1, Page 56
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Proceedings of the Wilson Ornithological Club
Vol 40, Iss 1, Page 60
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Communications
Vol 40, Iss 1, Page 72
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Notes on a Collection of Hawks from Schuylkill County, Pennsylvania
Vol 40, Iss 2, Page 84
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Individuality in Bird Song
Vol 40, Iss 2, Page 95
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Birds of Eastern McKenzie County, North Dakota
Vol 40, Iss 2, Page 100
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Editorial
Vol 40, Iss 2, Page 111
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Some Oregon Records
Vol 40, Iss 2, Page 112
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The Canada Goose in Yellowstone National Park
Vol 40, Iss 3, Page 139
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Bob-White and Scarcity of Potato Beetles
Vol 40, Iss 3, Page 149
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Chimney Swifts in November, 1925
Vol 40, Iss 3, Page 151
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How Does the Turkey Vulture Find Its Food?
Vol 40, Iss 3, Page 154
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Some Environmental Relations of the Birds in the Missouri River Region
Vol 40, Iss 3, Page 157
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Birds Observed in the Vicinity of Santiago De Cuba
Vol 40, Iss 3, Page 178
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Birds of Upper South Carolina: A Study in Geographical Distribution
Vol 40, Iss 3, Page 182
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Editorial
Vol 40, Iss 3, Page 192
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The Annual Meeting at Ann Arbor
Vol 40, Iss 3, Page 195
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The Golden Eagle in Indiana
Vol 40, Iss 3, Page 196
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Communications
Vol 40, Iss 3, Page 207
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Notes on the Nesting Habits and Songs of the Mockingbird
Vol 40, Iss 4, Page 209
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On the Status of Harlan's Hawk
Vol 40, Iss 4, Page 216
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Traill's Flycatcher in Southern Michigan
Vol 40, Iss 4, Page 218
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A Theory of How the Turkey Vulture Finds Its Food
Vol 40, Iss 4, Page 221
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A Southward Movement of Breeding Savannah Sparrows in Ohio?
Vol 40, Iss 4, Page 223
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Nesting Habits of the Seaside Sparrows in Florida
Vol 40, Iss 4, Page 225
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Birds of Upper South Carolina: A Study in Geographical Distribution (Concluded)
Vol 40, Iss 4, Page 238
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Editorial
Vol 40, Iss 4, Page 247
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Breeding of the Florida Gallinule in Lake County, Ohio
Vol 40, Iss 4, Page 248
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Birds of the Eurasian Tundra by Theodore Pleske
Vol 40, Iss 4, Page 256
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Communications
Vol 40, Iss 4, Page 263