[66:A] "Development of Kinship and Marriage." Page 264.
[67:A] "Researches into the Early History of Mankind." Page 292.
[71:A] Cope's "Origin of the Fittest." (Redway, London. 1889.) Page 407.
[72:A] "Organic Evolution." Translated by J. T. Cunningham, M. A. (London, Macmillan & Co., 1890.) Page 86.
[73:A] "Examination of Weismannism." The Open Court Publishing Co., Chicago. 1893.
[77:A] The Contemporary Review, September, 1893.
[79:A] "Organic Evolution." Translated by J. T. Cunningham, M. A. Page 13.
[80:A] "Organic Evolution," page 176.
[84:A] "Organic Evolution," page 211.
[84:B] Op. cit., page 201.