Author: United States Fish Commission
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 450

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

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Author: United States Fish Commission
Publisher: Forgotten Books
ISBN: 9780260027849
Category : Science
Languages : en
Pages : 630

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Excerpt from Bulletin of the United States Fish Commission, Vol. 10: For 1890 Some unavoidable use of brass piping in the beginning demonstrated beyond any further need of experiment the necessity for the entire absence of metals from the tanks, reservoirs, and circulatory apparatus, and consequently the materials now used in their construction are glass, slate, hard and soft rubber, and wood, nothing being used which is oxidizable or capable of exciting galvanic or chemical action. 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: United States Fish Commission
Publisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 524

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 514

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Author: United States Fish Commission
Publisher: Rarebooksclub.com
ISBN: 9781230177168
Category :
Languages : en
Pages : 226

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1890 edition. Excerpt: ... species this prominence is about the center of each plate. The groups, Opisthocentres and Mesocentres, of Dumril are therefore founded upon more Bull. U. 8. F. C., 88 16 or less unreliable and transient characters, as is proved by the fact that upward of forty American species have been discovered by this reckless author amongst the materials preserved in the Museum d'Histoire Naturelle at Paris. The actual number of American species of sturgeons is seven, according to Jordan and Gilbert (Synopsis Fishes, N. Am., p. 85), and probably even less according to these authors. The fictitious species, A. oxyrhynchus, has clearly been based for the most part upon the young of A. sturio, as is shown by some of the reputed figures of the former. Referring to the original description by Mitchill of A. oxyrhynchus, it is clear from a letter which he quotes from a Mr. De Witt, that then, as now, it was supposed by some of the fishermen that the sharp-nosed, small sturgeons were a distinct species. This belief is widely prevalent amongst the sturgeon fishermen of the Delaware River, where the young animal is popularly known as the "Mamoose," probably an Indian name, as I hear from my friend Mr. John Ford. It argues very unfavorably for the sagacity of Mitchill that he should have omitted to note that in the young, sharp-nosed forms, the roe is never developed to maturity. Only one large exampleof the long-snouted form amongst hundreds of specimens of A. sturio has fallen under my observation, and this specimen did not appear to me to be essentially different from the usual blunt-nosed adult form, except in a proportionally longer snout. Further observation also showed that no two individuals presented exactly the same form and proportions of...

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 722

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Author: United States Fish Commission
Publisher: Arkose Press
ISBN: 9781345878431
Category :
Languages : en
Pages : 586

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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: United States Fish Commission
Publisher: Arkose Press
ISBN: 9781344919562
Category :
Languages : en
Pages : 674

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Book Description
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: United States Fish Commission
Publisher: Arkose Press
ISBN: 9781345463279
Category :
Languages : en
Pages : 618

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Book Description
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.