. Memoir upon the formation of a deaf variety of the human race [microform]. Genetics; Heredity, Human; Human genetics; Génétique; Hérédité humaine; Génétique humaine. TIIK FORMATION OF A 13KAF VARIETY OF THE HUMAN RACK 17 may be able to approxiiimto to tlie onler of the innrriageH by claMHifyiiig the pupils acconling to their |H!ri«Ml of birth. Altlioiiffh 1 have not attempted a minute elasHilication, excepting iu the caaen «howii in the Appendix, it isconipanitively easy to arrange all the married pupils referred to above into four classes: (I) those born before 1810; (2) those Iwrn iu the p
. Memoir upon the formation of a deaf variety of the human race [microform]. Genetics; Heredity, Human; Human genetics; Génétique; Hérédité humaine; Génétique humaine. TIIK FORMATION OF A 13KAF VARIETY OF THE HUMAN RACK 17 may be able to approxiiimto to tlie onler of the innrriageH by claMHifyiiig the pupils acconling to their |H!ri«Ml of birth. Altlioiiffh 1 have not attempted a minute elasHilication, excepting iu the caaen «howii in the Appendix, it isconipanitively easy to arrange all the married pupils referred to above into four classes: (I) those born before 1810; (2) those Iwrn iu the period 1810-1839; (3) those born in the iH3riod 1840-1860; (4) those born since the commencement of 18(M). The results are shown in the following table: Table XX I. I'urind iif birth. Ilpfiir.' IHiOI.) 18:i9 .. lH4<(to 185!« .. lri(i77 •j:w Utti 84. t 12 u The number married who were born since 1850 is too small to be relied upon for a percentage. It is only to be hoped that the percentage given above is excessive. The indications are very clear, however, that of the deaf and dumh ir/io marry, the proportion who marry deaf-mutes ha* steadily increaned. This conclusion is strengthened when we find that the above result, which has been deduced from a summation of all the cases recorded in the reports of the American Asylum, New York, Indiana, Ohio, and Illinois institutions, is also true of the cases recorded in each report taken separately. This will be obvious from the following table: Table XXII. Is >n le of he ;C8 we we ; ill Name of inHtitutioii, with (Into of opening jigjj,„i „|- |,jf,|, and of report. Total recorded to have ninr- ried. I Total recorded to have mar- ried deaf- mutes. IVrcent- nge. Ainericnn AHvlnm Before IHIO Date of opening, 1617. Date of report, 1810 to 18:J9 l«77. 1840 to 18,M> I New York Institution Before 1810 Date of opening, 1818. Date of report, 1810 to 18;»9 1854. t Ohio Institution 1810 to 1832 Date of c
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherslsn, bookyear1884
