CONTENTS, 



Page 

 DEDICATION . . . . . . . iii 



PREFACE . . . . . . . v 



LIST OF WOODCUTS . . . . . . . . ix 



ENGLISH VALUES OF FRENCH WEIGHTS AND MEASURES . . xi 



LECT. I. Introduction . . . . . .17 



II. Molecular Attraction. Capillarity .Imbibition . . 29 



III. Endosmose ..... . 44 



IV. Absorption in Animals and Vegetables . . . 80 



V. Digestion .... . . .93 



VI. Respiration. Gaseous Endosmose . . . .117 



VII. Hoematosis. Nutrition. Animal Heat . . , .134 



VIII. Phosphorescence of Organized Beings . . . . . 154 



IX. The Muscular Electrical Current .... 176 



X. Electrical Fishes. Proper Current of the Frog . . 190 



XI. Physiological Action of Gravity, Light and Caloric . 212 



XII. and XIII. Physiological Action of the Electrical Current 224 



XIV. and XV. Nervous Force 254 



XVI. Muscular Contraction. Animal Mechanics , . 296 



XVII. Circulation of the Blood 309 



XVIII. Vocal Apparatus. Voice . . . . .332 



XIX. Hearing . . . . . . . 345 



XX. Vision. . . . ..,.' . .360 



