CONTENTS. 



The Criterion of Mind 



The Structure and Functions of Nerve-Tissue 



The Physical Basis of Mind 



The Root-principles of Mind 



Explanation of the Diagram .. 



Consciousness .. 



Sensation 



Pleasures and Pains, Memory, ard Association 

 of Ideas 



Perception 



Imagination 



Instinct .. 



Instinct (continued). 



Origin and Development of Instincts 



Instinct (continued). 



Blended Origin, or Plasticity of Instinct. . 



Instinct (continued). 



Modes in which Intelligence determines the Varia- 

 tion of Instinct in Definite Lines .. 



Instinct (continued). 



Domestication . . . . ■ . . . • . 



Instinct (continued). 



Local and Specific Varieties of Instinct 



Instinct (continued). 



Examination of the Theories of other Writers on 

 the Evolution of Instinct, with a General Sum- 

 mary of the Theory here Set Forth 



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25a 



