The Pleistocene Of North...
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The Fossil Turtles of North...
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Contributions to the...
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Camels of the Fossil Genus...
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The Batrachians and Reptiles...
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The Pleistocene of North...
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The Fossil Turtles of North...
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Bibliography and Catalogue of...
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Notes on Some Fossil Horses,...
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The Batrachians and Reptiles...
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On the Manner of Locomotion...
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Descriptions of Two Extinct...
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Descriptions of Species of...
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The Extinct Bisons of North...
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Chondrocranium Amphibia: Misc...
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A Contribution to the...
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Camels of the Fossil Genus...
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On Some Collections of Fishes...
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The Pleistocene of the Middle...
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The Batrachians and Reptiles...
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The Fossil Turtles of North...
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Collected Papers, Volume 2...
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On the Structure and...
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On Certain Portions of the...
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