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Consanguineous Marriages in the American Population by George B. Louis Arner
page 40 of 115 (34%)
[Footnote 40: Bemiss, _Report on Influence of Marriages of
Consanguinity_, pp. 420-423.]

In the "Marriage of Near Kin," Mr. Huth gives a list of cases of
consanguineous marriage collected by various persons from all over
Europe.[41] He is free to say that they are worse than useless for the
purpose for which they were collected, that of determining whether or
not such marriages produce degeneracy, but in so far as the sex of the
children is concerned they would not be biassed.

TABLE XV.
-----------------------------------------------------
|Sex of Children.|
|----------------|
Marriage. | Male.| Female. | Masculinity.
-----------------------------------------------------
1st cousins and nearer| 165 | 164 | 100
More distant cousins | 95 | 73 | 131
-----------------------------------------------------

[Footnote 41: Huth, _Marriage of Near Kin. Appendix._]

The unusual ratios are of course due principally to a "run of luck,"
and this table only shows that if consanguinity is a determining
factor in sex, its influence is negligible when a small number of
cases is considered. It is interesting accordingly to note that of 100
children of incestuous unions and from uncle-niece and aunt-nephew
marriages from Bemiss, Huth and other sources, the sex distribution
was 48 males and 52 females, giving a negative masculinity of 92.

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