[36]

Masculinity, Twelfth Census, Vital Statistics, Pt. 1. Per cent of cousin marriage, estimated.

[37]

Duesing, op. cit., p. 24.

[38]

Massachusetts Census, 103.1; Reg. 1891-1900, 105.6. Vermont Census, 108.1; Reg. 1890-1896, 105.9. Connecticut Census, 103.9; Reg. 1887-1891, 107.2. Rhode Island Census, 103.8; Reg. 1854-1901, 104.9.