Method of approach, 95.—Animal and man, 96.—Primitive man
and civilized man, 97.—Historical notes, 99.—Racial and
social problem, 101.
Mental characteristics of primitive man regardless of
race, 104.—Inhibition, 106.—Improvidence, 109.
Attention, 110.—Originality of thought,
111.—Quantitative character of racial differences,
114.—Differences between closely related groups of
people, 116.—Effects of malnutrition, 117.—Experimental
method, 117.
Influence of continued civilization, 118.—Relapse of
individuals into primitive life, 120.—Influence of
early habits, 121.—Summary, 122.