PREFACE. In the preparation of these pages, I lay claim to no originality, but have merely endeavoured to arrange and condense the leading features of Zoology and Comparative Anatomy for persons who may desire to obtain only a general knowledge of these subjects, but have not time to read the large standard works. M. A. WARD. 1, RATHMINES-ROAD, DUBLIN, October, 1874. Life, definition of, by Beclard, Protoplasm, "the physical basis of Life," Origin of Life, Mr. Darwin's theory, Regnum Prostiticum of Dr. Ernest Hæckel, Animal Kingdom sub-divided into Sub-kingdoms, General description of the Vertebrata, Definition of a Vertebra (Owen), |