From the mighty Mississippi to the gentle streams of the east coast, the United States is home to an incredible diversity of freshwater mollusks. In this comprehensive guide, T. A. Conrad provides detailed descriptions and stunning illustrations of hundreds of species, as well as fascinating insights into their biology and ecology. Whether you are a professional malacologist or a hobbyist collector, this volume is an essential resource for anyone seeking to explore the rich and varied world of American freshwater shells. 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 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. 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.