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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... Read Full Overview

This groundbreaking study from zoologist William Patten offers a detailed look at the embryonic development of the horseshoe crab Limulus polyphemus. Through careful observation and analysis, Patten identifies subtle variations in the developmental process that shed light... Read Full Overview