Proceedings of the Academy of Natural Sciences of Philadelphia; Volume 21
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Book Overview
This is Volume 21 of the "Proceedings of the Academy of Natural Sciences of Philadelphia," documenting the scientific research and discoveries of the Academy. As a historical record, it provides insights into the state of scientific knowledge during the mid-19th century. The articles cover a range of topics within natural history, including zoology, botany, and geology.
Researchers and historians of science will find this volume a valuable resource for understanding the development of scientific thought and the contributions of the Academy to the broader scientific community.
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.
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