The Proceedings of the Biological Society of Washington is a book published by the Smithsonian Institution. This book contains a collection of scientific papers and research articles written by members of the Biological Society of Washington. The topics covered in this book include various aspects of biology, such as zoology, botany, ecology, and evolutionary biology. The articles included in this book are written in a technical and scientific language, and are intended for researchers, scientists, and students in the field of biology. The book provides a valuable resource for those interested in the latest research and developments in the field of biology.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.