Excerpt from d104-Book of Comparative Anatomy, Vol. 2 The following author's preface is a free translation of the Nachwort which appeared at the end of the fourth German part. In it the author answers the only serious charge against the work as a text-book which has been brought to our notice. It finds its most appropriate place as a preface to the second volume of the translation. 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.