An introduction to the study of social evolution; the prehistoric period . at all comparable with the known influences ofheredity. ^^ This investigation also appears to havebeen undertaken with an open mind. Finally, the con-troversial Study of the Influence of Parental Alcoholismon the Physique and Ability of the Offspring, ap-peared to show that there was no marked relation be-tween intelligence, physique or disease of the offspringand parental alcoholism in any of the categories investi-gated. For example, the study showed that the averageweight and height of the children of alcoholic paren
An introduction to the study of social evolution; the prehistoric period . at all comparable with the known influences ofheredity. ^^ This investigation also appears to havebeen undertaken with an open mind. Finally, the con-troversial Study of the Influence of Parental Alcoholismon the Physique and Ability of the Offspring, ap-peared to show that there was no marked relation be-tween intelligence, physique or disease of the offspringand parental alcoholism in any of the categories investi-gated. For example, the study showed that the averageweight and height of the children of alcoholic parentswas slightly in excess of that of children of sober parents;the general health of the children of alcoholic parents ap-peared to be slightly better than the health of children ofsober parents. However completely subsequent investi-gations may correct or confirm the conclusions of theLondon eugenists, certain it is that in the present stageof our knowledge we can make no dogmatic statements 10 Eugenics Laboratory Memoirs, VIII, p. 60. 11 Eugenics Laboratory Memoirs, INFLUENCES OF ENVIRONMENT 129 as to the absolute effect of euviroiimeiit, and until we havemade more comprehensive investigations it is best toleave the matter open. A study of the direct influence of environment uponthe bodily form of man was made in 1908 and 1909 byProfessor Boas.^- Four groups of people were investi-gated; the south Italians, representing the Mediterra-nean type of Europe, characterized by short stature,elongated head, dark complexion and hair; the centralEuropean type, characterized by medium stature, shorthead, light hair and lighter complexion; the northwestEuropean type, characterized by tall stature, elongatedhead, light complexion, and blond hair; and in addition,an extended series of east European Hebrews, who re-semble in some respects the central European traits selected for examination were head measure-ment, stature, weight, and hair-color. The result of theinquiry was t
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