CONTENTS. 



INTRODUCTION. 



PAGE 



Impetus to study given by Darwin. Morphological Pedigrees. 

 Inheritance and Adaptation. General Sensibility of the Living 

 Cell. Morphological and Physiological Characters 1 



SECTION 1. 

 GEXFRA L PEEL 7J/7X4 R Y COXSIDERA TIOXS. 



CHAPTER I. 

 THE PHYSIOLOGY OF ORGANISMS. 



Morphology and Physiology. Topography of Organs. Scope of 



the Book. Division of the Subject 25 



SECTION II. 



THE IXFLUEXCE OF IXAXIMATE SURROUXDTXGS. 

 CHAPTER II. 



FOOD AND ITS INFLUENCE. 



The Equivalence of Food to Tissue. The Optimum of Food. Sti- 

 mulants. Monophagous and Polyphagous Animals. Modifica- 

 tions caused by Food and Change of Food. Changes in 

 Structure and in Colour 40 



