ANALYSIS OF CONTENTS. x iii 



PAGE 



ing. Development of Glyphioceras . Development of 

 Schlcenbachia. 



X. THE EVOLUTION OF THE MIND . . >, , .... . 256 



Mind the sum total of psychic changes. Mind not con- 

 sciousness. Function precedes structure. Irritability 

 the basis of mind. The brain adequate for the mind. 

 The marvel of life. Activities of Protozoa. Sensation 

 related to action. Mind of the plant. Locomotion de- 

 mands sensation. Reflex action. The higher heredity. 

 Realities and* illusions. Selections of sensations. Ro- 

 bust men make history. Relation of the child to the 

 environment. The sensorium. Nature of instinct. In- 

 stinct of the fur seal. Nature of the intellect. Effect of 

 adversity on the intellect. Intellect of the monkey peo- 

 ple. Intellect the choice of responses. Intellect of the 

 fur seal. The " Clavier" theory of mind. Colonial con- 

 sciousness. " Cogito, ergo sum." Development of the 

 ego. The building of the self. Sensation without action. 

 Impulse and action. Degeneration. Power of attention. 

 Defects in mental operation. Phenomena of hysteria. 

 Effect of drugs. The mind of nations. 



XL DEGENERATION . . . . . . . .277 



Decline in range of activities. Quiescent animals. 

 Tunicates. Parasitic animals. Sacculina. Animal pau- 

 perism homologous with human pauperism. Law of 

 compensation. Degeneration of senility. Race de- 

 generation. Lineage of degeneracy short. Withered 

 branches. Degeneration through charity. The cretins 

 of Aosta. Degeneration in isolation. The Jukes. The 

 poor whites. Degeneration in slavery. Degeneration 

 in the slums. Degeneration in the tropics. Degenera- 

 tion in luxury. Mental dyspepsia. The higher foolish- 

 ness. Nordau on degeneration. The mattoid. The 

 normal man. Disease of the nerves not genius. De- 

 cadence for mercantile purposes. Causes of decadence. 

 The despondency of Europe. The wholesome world. 

 Degeneration under institutions. Mental pauperism. 

 Spiritual pauperism. 



