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Appreciations
Vol 27, Page vii
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Alexander Wetmore and the Study of Fossil Birds
Vol 27, Page xi
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Index to Fossil Avian Taxa Described by Alexander Wetmore
Vol 27, Page xxv
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Publications in Avian Paleontology by Alexander Wetmore
Vol 27, Page xvii
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Some Hypothetical Anatomical Stages in the Evolution of Avian Flight
Vol 27, Page 1
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Evolutionary Significance of the Mesozoic Toothed Birds
Vol 27, Page 23
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The Skeleton of Baptornis advenus (Aves: Hesperornithiformes)
Vol 27, Page 35
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Discovery of a Cretaceous Bird, Apparently Ancestral to the Orders Coraciiformes and Piciformes (Aves: Carinatae)
Vol 27, Page 67
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A Survey of the Paleogene Birds of Asia
Vol 27, Page 75
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The World’s Oldest Owl: A New Strigiform from the Paleocene of Southwestern Colorado
Vol 27, Page 87
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Neanis schucherti Restudied: Another Eocene Piciform Bird
Vol 27, Page 95
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The Eocene Zygodactyl Birds of North America (Aves: Piciformes)
Vol 27, Page 101
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Oligocene Fossils Bearing on the Origins of the Todidae and the Momotidae (Aves: Coraciiformes)
Vol 27, Page 111
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Two New Species of Aegialornis from France, with Comments on the Ordinal Affinities of the Aegialornithidae
Vol 27, Page 121
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A Review of the Lower Miocene Swifts (Aves: Apodidae)
Vol 27, Page 129
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A New Osprey from the Miocene of California (Falconiformes: Pandionidae)
Vol 27, Page 133
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A New Species of Flightless Auk from the Miocene of California (Alcidae: Mancallinae)
Vol 27, Page 141
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The Pleistocene Pied-billed Grebes (Aves: Podicipedidae)
Vol 27, Page 147
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The Late Pleistocene Avifauna of La Carolina, Southwestern Ecuador
Vol 27, Page 155
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The Great Predatory Birds of the Pleistocene of Cuba
Vol 27, Page 169
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The Species of Moas (Aves: Dinornithidae)
Vol 27, Page 189
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Evidence of the Survival to Recent Times of the Extinct Flightless Duck Chendytes lawi Miller
Vol 27, Page 207