Excerpt from Umwelt und Innenwelt der Tiere Die Frage, ob es einen Fortschritt in der Wissenschaft gibt, ist darum nicht ganz so leicht zu beantworten wie gemein hin angenommen wird. Wir hoffen wohl von gr beren zu feineren Irrt mern fortzuschreiten, ob wir uns aber wirklich auf dem guten Wege befinden, ist fiir die Biologie in hohem Grade zweifelhaft. 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.