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. 

 GENERAL PRELIMINARY COKSIDERATIOKS. 



CHAPTER I. 



THE PHYSIOLOGY OF OEGANISMS. 



Morphology and Physiology. Topography of Organs. Scope of 



the Book. Division of the Subject 25 



SECTION II. 

 TBE INFLUENCE OF INANIMATE SURROUNDINGS. 



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 



