[30] Life and Letters, ii, p. 301.
[31] Science Progress, New Series, Vol. 1. 1897. "A Remarkable Anticipation of Modern Views on Evolution." See also Chap. vi. in Essays on Evolution, Oxford, 1908.
[32] See Prof. Patrick Geddes's article "Variation and Selection," Encyclopaedia Britannica (9th edit.) 1888.
II
THE SELECTION THEORY
By August Weismann