Introduction, 393. — I. Rae's theory, 395. — II. Application of Rae's theory, 402. — III. Conclusion, 405. <qd> “He formulated the economic theory of new countries.…” —R. Warren James1 </qd>

I. Economic movements and population movements: personal capital, 572; emigration and migration, 576; non-economic factors, 577; the time factor, 578; primitive cultures and the ancient world, 579. — II. Wealth per capita and population: time and space, 582; secular increase, 583; class rates of mortality and natality, 583; social and political institutions, 583. — III. Determinants of population growth: the genesic forces, 585; the non-genesic forces, 587; residues, 592. — IV. Malthus' theories, 593. — V. Demographic trends: long-run influences, 598; the future, 600.

VI. Opinion, law, and population movements, 107. — VII. Optima: indices, 111; ophelimity and utility, 112; group differences, 113; individual vs. collective point of view, 114; population growth, 115. — VIII. Heterogeneity and selection: income distribution, 116; natality and mortality, 119; eugenic selection, 120; residues, 122; class circulation, 125. — IX. Conclusion: points emphasized or passed over, 129.

Introduction, 460. — Birth registration introduced after 1850 but generally unsuccessful in the United States, 460. — Census and registration returns in New York, 465. — Birth registration in Indiana, 470. — Census and birth registration returns in Michigan, 472. — Conclusions, 482.

Introduction, 2. — Previous discussions, 2. — Fertility rates, 7. — Lack of adequate data makes it impossible to reach precise conclusions of New England dying out, 9. — But such data as are available support the contention that the natives of New England are not maintaining their numbers, 14. — Conclusions, 18.