[745] Francis Galton, “Eugenics: its Definition, Scope, and Aims” (Sociological Society Papers, vols. i. and ii.), 1905; comments on this work by A. Ploetz, published in the Archives for Racial and Social Biology, 1905, vol. ii., pp. 812-829; also W. Schallmayer, “Marriage, Inheritance, and the Ethics of Reproduction,” published in “The Book of the Child,” edited by Adele Schreiber, vol. i., pp. ix-xx (Leipzig and Berlin, 1907); Alfred Grotjahn, “Social Hygiene and the Problem of Degeneration” (Jena, 1904).
[746] Havelock Ellis, “Studies in the Psychology of Sex,” vol. iv.: “Selection in Man.”
[747] Regarding marriage prohibitions, cf. P. Näcke, “Marriage Prohibitions,” published in the Archives for Criminal Anthropology, 1906, vol. xxii.; M. Marcuse, “Legislative Marriage Prohibitions for Persons who are Diseased or Deficient Mentally or Physically,” published in Sociale Medizin und Hygiene, 1907, Nos. 2 and 3. It is said that in Dakota medical examination of those who wish to marry is legally prescribed (Archives for Criminal Anthropology, 1903, vol. xi., pp. 266, 267).
[748] See especially the excellent treatise of A. Leppmann, “Alcoholism, Morphinism, and Marriage,” published in Senator-Kaminer, “Health and Disease in Relation to Marriage and the Married State,” p. 1057 et seq. (London, Rebman Limited, 1906). See also, regarding alcohol as a “Racial Destroyer,” the fundamental study by Alfred Ploetz, “The Significance of Alcohol in Relation to the Life and Development of the Race,” published in the Archives for Racial and Social Biology, 1904, vol. i., pp. 229-253. [English readers should consult the works of Archdall Reid, “The Present Evolution of Man,” “Alcoholism, a Study in Heredity,” and “The Principles of Heredity.”—Translator.]
[749] See also R. Ledermann, “Syphilis and Marriage,” published in Senator-Kaminer, “Health and Disease in Relation to Marriage and the Married State,” p. 561 (London, Rebman Limited); Alfred Fournier, “Syphilis and Marriage.”
[750] E. Heddaeus, “The Breeding of Healthy Human Beings,” published in the Allgemeine Medizinische Zentral-Zeitung, 1901, No. 6.
[751] A. Wassermann and F. Plaut, “The Occurrence of Syphilitic Antibodies in the Cerebrospinal Fluid of General Paralytics,” published in the Deutsche Medizinische Wochenschrift, 1906, No. 44.
[752] A. Blaschko, “The Influence of Syphilis upon the Duration of Life,” published in the “Transactions of the Fourth International Congress of Medical Examiners in Life Insurance,” pp. 95-149 (Berlin, 1906).
[753] Hans Tilesius, “Syphilis in Relation to Life Insurance,” op. cit., pp. 201-213.
[754] In the great work of Senator-Kaminer (“Health and Disease in Relation to Marriage and the Married State,” London, Rebman Limited, 1906) we find a detailed account of the circumstances and possibilities which have here to be considered.