ANALYSIS OF CONTENTS. xill 
PAGE 
ing. Development of Glyphioceras. Development of 
Schlenbachia, 
X.—THE EVOLUTION OF THE MIND 5 : : . 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 
furseal. 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. 
XI.—DEGENERATION . ‘ P ‘ ‘ ‘ ei : 277 
Decline in range of activities. Quiescent animals. 
Tunicates. Parasiticanimals. 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. 
