TABLE OF CONTENTS. 



Preliminary Ideas . . . 



Division of Natural Bodies 

 into Three Kingdoms . 



Relations under which Liv- 

 ing Beings are Studied 



PAGE 

 1 



General Characters of Ani- 

 mals 



Organic Tissues and Organs 

 of Animals .... 



Classification of Functions . 



CONFORMATION AND CLASSIFICATION OF ANIMALS. 



Functions of Nutrition . . 11 



Absorption 12 



Digestion 17 



Blood 41 



Circulation 46 



Respiration 65 



Exhalation 76 



Secretions 77 



Nutritive Assimilation and 



Decomposition . . . 83 



Animal Heat. 87 



Functions of Relation . . 89 



Nervous System .... 92 



Sensibility 102 



Touch 103 



Taste 105 



Smell 106 



Hearing 108 



Sight 112 



Movements 120 



Voice 146 



Intelligence and Instinct . 151 



HISTORY OF THE PRINCIPAL PHYSIOLOGICAL FUNCTIONS. 



Considerations on the Gene- 

 ral Plan of the Organiza- 

 tion 179 



Zoological Classifications . 190 

 Division of the Animal 

 Kingdom into Primary 

 Divisions and into Classes 216 



Vertebrate Animals . . 220 



Mammals 222 



Birds 279 



Reptiles 313 



Batrachia 329 



Fishes 335 



Articulata . 365 



