Excerpt from Journal of the Royal Microscopical Society, 1883, Vol. 3: Containing Its Transactions and Proceedings, and a Summary of Current Researches Relating to Zoology and Botany (Principally Invertebrata and Cryptogamia), Microscopy, Part 2 N o competent zoologist has since then failed to make use of the weapon which the great Scandinavian naturalists put into our hands; the only possible difficulty, indeed, that presents itself to the mind is as to whether we are not here committing the same kind of error as that which has been seen in many other depart ments where too much stress has been laid on a single character or set of characters. 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.