Introduction.-I. Inception and early problems of industrial insurance.-II. First quarter century of industrial insurance in the United States.-III. Social economy of industrial insurance.-IV.Practice of industrial insurance.-V. Method of providing with certainty for dependent old age.-Vi. The problem of the uninsured.-VII. Life insurance as a career.-VIII. Taxation of life insurance in the United States.-IX. Regulation of insurance by Congress.-X. The commercial aspects of federal regulation of insurance.-XI. The American type of Isthmian canal.-XII. Abraham Lincoln and Alexander Hamilton.-Appendix.