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A DIFFERENCE IN THE METABOLISM OF THE SEXES 63
largely developed in connection with the destructive activities of man, and the transfer of man's technological aptitude to the constructive side of life represented primarily by woman was the beginning of the indefinite extension of invention and the useful arts. 1
WILLIAM I. THOMAS. THE UNIVERSITY OF CHICAGO.
1 A series of papers will follow this on the social psychology of sex, with especial reference to early association and social organization.
