Author: William Healey Dall
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 258

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Author: John Brooks Henderson
Publisher:
ISBN:
Category : Mollusks
Languages : en
Pages : 468

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Author: William Healey Dall
Publisher:
ISBN:
Category : Mollusks
Languages : en
Pages : 218

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To the preparation of this summary the author has brought the results of more than 50 years' study of the molluscan fauna of the northwest coast, his personal investigatons in the field having begun in 1865, when, under the auspices of the Smithsonian Institution, he visited the shores of the Pacific as a member of the scientific corps of the Western Union Telegraph Expedition. SInce that time a constant inflow of material from that region has enriched the collection of the United States National Museum until it has become unrivaled in this group of animals.

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: William Healey Dall
Publisher: Forgotten Books
ISBN: 9780666307873
Category : Science
Languages : en
Pages : 246

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Excerpt from Summary of the Marine Shellbearing Mollusks of the Northwest Coast of America: From San Diego, California, to the Polar Sea, Mostly Contained in the Collection of the United States National Museum, With Illustrations of Hitherto Unfigured Species Since that time a constant inflow of material from that region has enriched the collection of the United States National Museum until it has become unrivaled in this group of animals. Very few of the species described from the area between the southern boundary of the United States and the Polar Sea on the Pacific coast are absent from the series referred to. In a few cases where the writer has not been able to verify personally the names or the distribution from authentic specimens, the name of the authority upon whom the data rest has been added in parentheses. The distribution of the Mollusca on the west coast of America may be allotted to three grand divisions: the Arctic or Boreal, the Tem perate, and the Tropical faunas. The first, containing many Circumboreal species, extends from the Arctic or Polar Sea to the southern limit of drift ice in winter in Bering Sea. The Temperate division extends from this line southward on the west coast of America to Point Conception, California. The Tropic division extends from this point southward to Point Aguja on the coast of Peru. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Author: Javier H. Signorelli
Publisher: Springer Nature
ISBN: 3030290972
Category : Science
Languages : en
Pages : 156

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This book identifies all valid species belonging to the superfamily Mactroidea living in American waters, distributed across fourteen biogeographical provinces. It also provides an updated classification of the widely occurring Mactroidea superfamily, which comprises eight subfamilies grouped into four families: Mactridae (Lamarck, 1809); Anatinellidae (Deshayes, J.Gray 1853); Cardiliidae (Fischer, 1887) and Mesodesmatidae (J. Gray, 1840). The species included in this superfamily are known to have existed in North America since the Early Cretaceous.

Author: Katherine Van Winkle Palmer
Publisher: Geological Society of America
ISBN: 0813710766
Category : Mollusks
Languages : en
Pages : 420

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Author: William Healey Dall
Publisher: Palala Press
ISBN: 9781346914497
Category :
Languages : en
Pages : 252

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 762

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Author: Warren O. Addicott
Publisher:
ISBN:
Category : Gastropoda, Fossil
Languages : en
Pages : 240

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Additional title page description: Systematic description and stratigraphic distribution of 182 early and middle Miocene taxa.