CONTENTS. 



CHAPTER PAGE 



I. THE ORGANIZATION OF MAN 7 



II. THE ESSENTIAL PHENOMENA OF RESPIRATION . 11 



III. THE ESSENTIAL PHENOMENA OF CIRCULATION 18 



IV. THE ESSENTIAL PHENOMENA OF DIGESTION . . 29 



V. FUNCTIONS OF RELATION NERVOUS SYSTEM . 48 



VI. ORGANS OF SENSE 53 



VII. FUNCTIONS OF LOCOMOTION ORGANS OF SPEECH 68 



VIII. THE DOG 87 



IX. THE CHICKEN 94 



X. THE LIZARD AND THE FROG 105 



XI. THE CARP 114 



XII. REVIEW OF THE DISTINGUISHING FEATURES OF 



THE FIVE CLASSES OF VERTEBRATES .... 123 



XIII. GENERALITIES CONCERNING THE ARTICULATES . 126 



XIV. THE CRAYFISH 131 



XV. THE BEETLE 138 



XVI. THE SPIDER 146 



XVII. WORMS PARASITES GENERAL CHARACTER OF 



ANARTHROPOD.E 154 



XVIII. GENERAL IDEAS CONCERNING MOLLUSKS . . . 162 



XIX. RADIATES 172 



XX. PROTOZOA INFUSORIA MICROBES 180 



XXI. PRINCIPAL ORDERS OF MAMMALS 188 



XXII. CHEIROPTERA INSECTIVORA 199 



XXIII. CARNIVORA 204 



XXIV. RODENTIA EDENTATA 221 



XXV. UNGULATA ARTIODACTYLA 233 



XXVI. PROBOSCIDIA PERISSODACTYLA 252 



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