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TABLE OF CONTENTS. 



Preliminary Ideas . . . 



Division of Natural Bodies 

 into Three Kingdoms . 



Relations under which Liv- 

 ing Beings are Studied 



PAGE 

 1 



PAGE 



General Characters of Ani- 

 mals 6 



Organic Tissues and Organs 

 of Animals .... 7 



Classification of Functions 9 



CONFORMATION AND CLASSIFICATION OF ANIMALS. 



Functions of Nutrition . 11 



Absorption ..... 12 



Digestion 18 



Blood 45 



Circulation 50 



Respiration 69 



Exhalation 80 



Secretions 81 



Nutritive Assimilation and 



Decomposition ... 87 



Animal Heat 92 



Functions of Relation . 94 

 Nervous System . .95 



Sensibility 107 



Touch 109 



Taste Ill 



Smell 112 



Hearing 113 



Sight 118 



Movements 127 



Voice 154 



Intelligence and Instinct . 159 



HISTORY OF THE PRINCIPAL PHYSIOLOGICAL FUNCTIONS. 



Consideration of the Gene- 

 ral Plan of the Organiza- 

 tion 189 



Zoological Classifications . 200 

 Division of the Animal 

 Kingdom into Primary 

 Divisions and into Classes 207 



Vertebrate Animals . . 231 



Mammals 233 



Birds 305 



Reptiles 348 



Batrachia 364 



Fishes 371 



Articulata 405 



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