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Author: Charles S. Boyer
Publisher: DigiCat
ISBN:
Category : Fiction
Languages : en
Pages : 269
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Book Description
The Diatomaceæ of Philadelphia and Vicinity is a book by Charles Shimer Boyer. It presents the local flora of the Philadelphia region in Northern America, classified and meticulously analyzed in scientific manner.
Author: Charles S. Boyer
Publisher: DigiCat
ISBN:
Category : Fiction
Languages : en
Pages : 269
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Book Description
The Diatomaceæ of Philadelphia and Vicinity is a book by Charles Shimer Boyer. It presents the local flora of the Philadelphia region in Northern America, classified and meticulously analyzed in scientific manner.
Author: Charles S. Boyer
Publisher:
ISBN:
Category :
Languages : en
Pages : 143
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Book Description
Author: Charles Sumner Boyer
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 143
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Book Description
Author: Charles S. Boyer
Publisher:
ISBN:
Category : Botany Pennsylvania Philadelphia
Languages : en
Pages : 0
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Book Description
Author: Charles S 1856-1928 Boyer
Publisher: Palala Press
ISBN: 9781359210357
Category :
Languages : en
Pages :
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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: Charles S. Boyer
Publisher:
ISBN: 9781332300976
Category : Science
Languages : en
Pages : 230
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Book Description
Excerpt from The Diatomaceae of Philadelphia and Vicinity The present contribution to the local flora is intended as an introduction to more extended research. The study is of advantage in relation to the life history of aquatic animals, the determination of ocean currents, as proved by polar discoveries, the investigation of geological strata where other fossil forms are absent, and the analysis of water supply; and, when we consider the universal distribution of diatomaceae in the earth, the water and even in the air and the enormous deposits formed in past ages and still forming, we are able to realize the importance of a knowledge of these complicated forms and their function of purification. The absence of descriptive works of reference in available form in this country, the polyglot confusion of authorities abroad and the amount of time, patience and skill required in obtaining, preparing and examining specimens, render the study one of difficulty. The bibliography is omitted, as it is understood by those who possess the works of reference, and but few synonyms are given, having but little, except historical, value, especially when it is considered that modern investigators have no access to many of the earlier collections, when any of these exist. So far as the marine forms are concerned, it is probable that nearly all occurring north of Florida are here included, and the fresh-water species described represent a large proportion of those found east of the Alleghanies. All of the figures are drawn to the same scale, a magnification of eight hundred diameters, from specimens in my possession, nearly all of which were found in or near Philadelphia. If the work is of any value in inducing further investigation, I hope, in the words of Julien Deby, that "those who follow my advice will find in the study of these wonderful little organisms as much pleasure as I myself have found." 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: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 160
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Book Description
Author:
Publisher: Academy of Natural Sciences
ISBN: 9781437954890
Category :
Languages : en
Pages : 676
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Book Description
Author: Academy of Natural Sciences of Philadelphia
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 524
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Book Description
"Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794.
Author:
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 700
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Book Description
