Animal Structures Author:David Starr Jordan Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: TWENTIETH CENTURY TEXT-BOOKS. TEXT-BOOKS OF ZOOLOGY. By David Starr Jordan, President of Leland Stanford Jr. University ; Vernon Lyman Kellogg, Professor o... more »f Entomology; and Harold Heath, Assistant Professor of Invertebrate Zoology in Leland Stanford Jr. University. Animal Studies. A compact but complete treatment of elementary zoology, especially prepared for institutions of learning that prefer to find in a single book an ecological as well as morphological survey of the animal world. I2mo. Cloth, $1.25. Animal Life. An elementary account of animal ecology—that is, of the relations of animals to their surroundings. It treats of animals from the standpoint of the observer, and shows why the present conditions and habits of animal life are as we find them. It explains how the infinite variety of form and nature is the inevitable outcome of the struggle for existence. I2mo. Cloth, $1.20. Animal Forms. This book deals in an elementary way with animal morphology. It describes the structure and life processes of animals, from the lowest, simplest, one-celled creations to the highest and most complex, discussing therewith the important subject of division of labor. I2mo. Cloth, $1.10. Animals. This consists of "Animal Life " and "Animal Forms " bound in one volume, and groups the entire body of material needed for an elementary course in zoology in a handy and compact volume. I2mo. Cloth, $1.80. Animal Structures. A laboratory guide in the teaching of elementary zoology. I2mo. Cloth, 75 cents. D. APPLETON AND COMPANY, NEW YORK. BOSTON. CHICAGO. LONDON. chapter{Section 4The Play of Man. By Karl Groos, Professor of Philosophy in the University of Basel. Translated, with the author's cooperation, by Elizabeth L. Baldwin, and edited, with a Prefa...« less