Coxal Glands of the Arachnids (Classic Reprint)

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Excerpt from Coxal Glands of the Arachnids Limulus has probably in many respects the most primitive arrangement of the coxal glands among the arachnids. According to patten each gland consists of four lobes (saccules), one at the base of each appendage two to five. A short duct connects each lobe with the common duct (labyrinth), which after a series of com plicated twists and turns, finally ends in a straight dilated exit tubule or end sac with its outlet just posterior to the base of the coxal joint of the fifth appendage. In the embryo, lobes are also formed on the first and sixth appendages, but degenerate and disappear in the course of development. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.