26.
The batrachians and reptiles of the state of Indiana
by Hay, Oliver Perry
ISBN: 9781117708287
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A Contribution To The Knowledge Of The Extinct Sirenian Desmostylus Hesperus Marsh (1915)
by Hay, Oliver Perry
ISBN: 9781120113832
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Camels Of The Fossil Genus Camelops (1913)
by Hay, Oliver Perry
ISBN: 9781120169723
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Descriptions Of Species Of Pleistocene Vertebrata, Types Or Specimens Of Most Of Which Are P...
by Hay, Oliver Perry
ISBN: 9781120188212
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Descriptions Of A New Species Of Mastodon, Gomphotherium Elegans: From The Pleistocene Of Ka...
by Hay, Oliver Perry
ISBN: 9781120187970
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On the Structure and Development of the Vertebral Column of Amia
by Hay, Oliver Perry
ISBN: 9781150896521
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A Contribution To The Knowledge Of The Genus Branchipus (1889)
by Hay, Oliver Perry, Hay, Wil...
ISBN: 9781166393175
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Descriptions Of A New Species Of Mastodon, Gomphotherium Elegans: From The Pleistocene Of Ka...
by Hay, Oliver Perry
ISBN: 9781166394608
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Chondrocranium, Amphibia - Miscellaneous Papers
by Fox, Henry, Hay, Oliver Per...
ISBN: 9781147803396
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Pleistocene of North America and Its Vertebrated Animals Form the States East of the Mississ...
by Hay, Oliver Perry
ISBN: 9781340386313
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Bibliography and Catalogue of the Fossil Vertebrata of North America (Classic Reprint)
by Hay, Oliver Perry
ISBN: 9781391762692
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Bibliography and Catalogue of the Fossil Vertebrata of North America (Classic Reprint)
by Hay, Oliver Perry
ISBN: 9781390778083
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Description of a New Species of Extinct Horse, Equus Lambei, from the Pleistocene of Yukon T...
by Hay, Oliver Perry
ISBN: 9781173049195
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Bibliography and Catalogue of the Fossil Vertebrata of North Americ
by Hay, Oliver Perry
ISBN: 9781177773652
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Contributions to the Knowledge of the Mammals of the Pleistocene of North America
by Hay, Oliver Perry
ISBN: 9781168953087
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Description of the Skull of an Extinct Horse, Found in Central Alaska With
by Hay, Oliver Perry
ISBN: 9781169463288
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Contribution to the Knowledge of the Extinct Sirenian Desmostylus Hesperus Marsh
by Hay, Oliver Perry
ISBN: 9781169477896
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Descriptions of Two Extinct Mammals of the Order Xenarthra from the Pleistocene of Texas
by Hay, Oliver Perry
ISBN: 9781169516106
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Batrachians and Reptiles of the State of Indian
by Hay, Oliver Perry
ISBN: 9781172023189
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On the Manner of Locomotion of the Dinosaurs, Especially Diplodocus, with Remarks on the Ori...
by Hay, Oliver Perry
ISBN: 9781177429559
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