Download or read book Monograph of the Land and Freshwater Mollusca of the British Isles (Classic Reprint) written by John William Taylor and published by Forgotten Books. This book was released on 2017-05-25 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Monograph of the Land and Freshwater Mollusca of the British Isles Internally, the animal displays the same general arrangements of organic structure as the typical Helices, a relationship shown also by the disposition of the retractor muscle of the right tentacle, which passes in its course between the male and female organs, this entanglement being indicative of a funda mental unity of plan, probably dating far back in the history of the group, and differentiating it from the genus Helicella and its allies. Fig. 2. - Terminal portion of the right tentacular retractors in Helix. 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.