C ONTENTS. 



. HAPTlnt PAGE 



I. \VMAT is LIFE ? 9 



II. LIVING MATTER 26 



III. PARENTAGE 40 



IV. TISSUE FORMATION 52 



V. TYPES OF CONSTRUCTION 72 



VI. PROTOPHYTES 84 



VII. THALLOGENS 98 



VIII. ACROGENS 109 



IX. ENDOGENS 122 



X. EXOGENS 137 



XI. PROTOZOA 161 



XII. RADIATA 170 



XIII. MOLLUSCA 192 



XIV. ARTICULATA 213 



XV. VERTEBRATA 239 



XVI. THE HUMAN TYPE . . .281 



