By Clement Moore Lacey Sites, Ph.D. Price, $1.00.

VOLUME XI, 1899. 495 pp. Price, cloth, $4.00; paper covers, $3.50.

[29] The Growth of Cities.

By Adna Ferrin Weber, Ph.D.

VOLUME XII, 1899-1900. 586 pp. Price, cloth, $4.00.

1. [30] History and Functions of Central Labor Unions.

By William Maxwell Burke, Ph.D. Price, $1.00.

2. [31] Colonial Immigration Laws.

By Edward Emerson Proper, A.M. Price, 75 cents.

3. [32] History of Military Pension Legislation in the United States.