Outlines of biology / by P. Chalmers Mitchell.

Date:: 1894

Credit: Outlines of biology / by P. Chalmers Mitchell. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

Cover
Title Page
Preface
Table of Contents
Index
Table of Contents
Cover

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CHAPTER XII. HYDRA. PAGE The Two Great Divisions of the Animal Kingdom—The Structure of Hydra—Its Life-History, Physiology, and Development— The Characters of the Protozoa and Metazoa 112 CHAPTER XIII. THE GASTRULA, CCELENTERATA AND CCELO- MATA. The Gastrula and the Differentiation of the Ectoderm and Endo- derm—The Thickening of the Mesogloea—The Transition to Coelomata—The Coslome and Middle Layer of Cells—The Groups of Ccelomata 129 CHAPTER XIV. 777^ EARTHWORM. The English Species and Genera — Segmentation — External Characters of the Earthworm—Dissection—Preparation and Examination of Sections—Physiology and Reproduction ... 137 CHAPTER XV. VERTEBRATES A AD INVERTEBRATES. The Obvious Groups Among Animals—The Vertebrates Form One Group—The Invertebrates Form Many Groups—It is by their Lowest Forms that the Groups must be Com])ared—Seg- mentation and Condensation of Segmentation—Comparison of the Invertelsrate Group Represented by the Earthworm with Vertebrates—The Common Type of Ccelomates 168

Outlines of biology / by P. Chalmers Mitchell.

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