(16) Hibben, J. G. "The Philosophical Aspects of Evolution," Philosophical Review, XIX (1910), 113-36.
(17) Bagehot, Walter. Physics and Politics. Or thoughts on the application of the principles of "natural selection" and "inheritance" to political society. Chap. vi, "Verifiable Progress Politically Considered," pp. 205-24. New York, 1906.
(18) Crawley, A. E. "The Unconscious Reason in Social Evolution," Sociological Review, VI (1913), 236-41.
(19) Froude, James A. "Essay on Progress," Short Studies on Great Subjects. 2d Ser. II, 245-79, 4 vols. New York, 1888-91.
(20) Morley, John. "Some Thoughts on Progress," Educational Review, XXIX (1905), 1-17.
III. EVOLUTION AND PROGRESS
(1) Spencer, Herbert. "Progress, Its Law and Cause," Westminster Review, LXVII (1857), 445-85. [Reprinted in Everyman's edition of his Essays, pp. 153-97. New York, 1866.]
(2) Federici, Romolo. Les Lois du Progrès. II, 32-35, 44, 127, 136, 146-47, 158 ff., 223, etc. 2 vols. Paris, 1888-91.
(3) Baldwin, James Mark. Development and Evolution. Including psychophysical evolution, evolution by orthoplasy, and the theory of genetic modes. New York, 1902.
(4) Adams, Brooks. The Law of Civilization and Decay. An essay on history. New York and London, 1903.