Download or read book On the Principles of Classification in the Animal Kingdom: On the Structure of the Halcyonoid Polypi; On the Morphology of the Medusae (Classic Reprin written by Louis Agassiz and published by Forgotten Books. This book was released on 2018-02-16 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from On the Principles of Classification in the Animal Kingdom: On the Structure of the Halcyonoid Polypi; On the Morphology of the Medusae The time has, however, gone by, when the mere translation of family names, or of more general or minor divisions, into another language, could be presented as a new system, and the raising of a secondary division into the rank of a primary group, or the lowering of a primary division into a subordinate position, constituted an improvement in the knowledge of the natural relations of animals. Nothing short of a material addition to the information we possess respecting any group of animals, can now be considered as a real advance in Zoology. 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.