mathematics, 52; in physics, 53; in astronomy, 77; in geology, 110; in biology, 115; in psychology, 172; in ethies, 173.

Properties of aggregates determined by

properties of its units, 10, 71. Protestantism, 136. Proximate causes, 6. —— results, 6, 22. Psychological inquiries, need for, 308;

analysis, 503. Psychology, 47; preparation in, 53. Psychology, 208; preparation in, 324. Public affairs, better management of, 6;

conversation concerning, 114-120.

Q

Quaternions, 202; value of, 9.

R

Radicalism, 316.

Reign of Terror, 49, 136.

Religion, of amity, 183, 184; of enmity, 183, 184; of humanity, 215.

Religions, 248; antagonistic, 249-251; conflict between, 269.

Religious conception, 18-21.

—— sentiment, development of, 40, 114.

Representative faculty, 120.

Results proportional to appliances,

6; fallacy that, 14-17.

Revolution, French, 38-40, 166.

Rhone Hydraulic Company, 300.

Ribot, extract from, 308.

Roman Catholicism, 135.

S

Sacrifices, human, 121.Samoans, 413, 414. Sandwich-Islanders, friendly conduct of,

291. Sanitary arrangements, 6. Savages, as described by various writers,

41; morality of, 80; barbarity of, 160; kind treatment by 181. Science of life, related to the science of society, 9; importance of study of, 10,

12. Sciences, abstract, 49, abstract- concrete,

74. Scurvy, 217. Self-control, 81. —— depreciation, origin of, 123. —— regard, evils resulting from, 124,

228.

—— sacrifice, 514; untenability of the doctrine of, 516.

Sexes, mental differences, 111-117

.

Shakspeare, 45.

Slave-trade, 484.

Small-pox epidemic, 75.

Social actions, complexity of, 5, 6.

—— phenomena, relations of, 7; should be studied in conformity with methods employed in physical research, 8; false method of investigating, 9; prevision in, 10; ascertainable order of, 13; no absolute repetition of, 550; explanations of 14; two modes of interpreting, 15; perverted conceptions of, 16; origin in the phenomena of individual human nature, 19; factors involved in, 20, 21; imperviousness to, 24.

—— science, ideas alien to, 24-31; denial of, 40; positions taken by Mr. Froude regarding, 42; free-will incompatible with, 42; denial of a, 43; recognition of, 44; reply to criticisms concerning, 344, 45; nature of, 46, 47; definite conception of, 48; value of the study of, 49, 50; difficulties of them 52-54, 71; right thinking in, 73; political partisanship in the way of, 74; balances judgments in, 78; mental science necessary to, 80; conclusion regarding, 87; conception developed by, 88.

Social structures, development of, 82-84.

Society, multiplicity of factors involved, 6, 8; structure and growth as related in, 9-15; its physical quality lowered, 14-16; its intellectual and moral qualities lowered, 17-20; type modified, 21.

Sociology, necessity for the study of, 22-42; hindered by sentiments of loyalty, 49; class-bias opposed to right thinking in, 53; political bias opposed to, 74; a fit habit of thought important to the study of, 77 its dependence on biology, 296, 299; difficulties of, 80.

Solar spots, constitution of sun implied by, 10-12; Wilson’s hypothesis regarding, 43; counter-hypothesis, 208; Kirchhoff’s hypothesis, 429; hypothesis, reconciling facts, 545.

Spartans, 258, 265.

State agency, 5-15; confidence in, 19; education through, 20.

Statutes, penal, 220.

Stone age, 222.

Strategy of Providence, 39.

Structure and growth, 44-47; law in social organisms of, 46, 69.

Subjective difficulties, intellectual, 110-139, 159; emotional, 162-189,

186. Sun’s distance, error in estimating, 11. Supernatural genesis of phenomena,

36-38.

Superstitions, 104.

Survivals, of the fittest, 260, 175; of

primitive practices, 97-101.

Synthesis, practice of, 451. Syphillis, 76-82.

T

Tailor in heaven, story of, 180.

Tasmanian devil, 255 256.

Temperance societies, growth of, 109; results of, 115.

Tendency, destructive and constructive,

22.

Testimony, necessity for discounting, 111; personal interests affecting, 117; political influences affecting, 119.

Theological bias, leading to misinter-pretation of social facts, 266; effect of, 180; obscures sociological truth, 181; leads to erroneous estimates of societies and institutions, 230, 250.

Theory of Mr. Gladstone, 36.

Theory of light, 253.

Titles, 215.

Trade-unions, genesis of, 175; ideas of legislative action entertained by, 157; internal governments of, 224, 225; general policy of, 229.

Transitional periods, 249. Trinity, 180, Truth, taught by mental science, 13. Two-headed nightingale, 107.

U

United States, truth displayed in, 113.

Untrustworthy evidence, the result of, subjective states of the witnesses, 129-134 352; of personal interest, 74-82; of confounding observation with inference, 84-90; distribution in space, 90, 91; distribution of facts in time, 92-101.

V

Vagrancy act, 49. Veracity, habitual, 162.

W

Wallace, contradictory estimates of the character of, 289.

Walter-press, genesis of, 170-174.

, the means of consolidation, 20; of industrial habits, 38; of retrogression, 39; its effects on the moral nature, 46; general effects of, 74.

Women, mental characteristics of, 42; physical peculiarities of, 116; traits of intellect and feeling peculiar to, 119-121.