Proceedings of the Academy of Natural Sciences of Philadelphia Volumes 109-111

<p>This collection comprises Volumes 109-111 of the Proceedings of the Academy of Natural Sciences of Philadelphia originally published in 1861. A valuable resource for historians of science and naturalists these proceedings offer a detailed glimpse into the research discussions and discoveries of one of America's leading scientific institutions during a pivotal period. </p><p>Containing a wealth of observations and studies across various fields within natural history these volumes showcase the depth and breadth of scientific inquiry pursued by the Academy's members. They remain an important record of 19th-century scientific thought and practice.</p><p>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.</p><p>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.</p><p>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.</p>