London: Kegan Paul, Trench, Trubner & Co., Ltd.
New York: Moffat, Yard & Co.

1921







DEDICATED TO
OUR FRIEND AND TEACHER,
FRANK HAMILTON HANKINS




PREFACE


Scientific discovery, especially in biology, during the past two decades
has made necessary an entire restatement of the sociological problem of
sex. Ward's so-called "gynæcocentric" theory, as sketched in Chapter 14
of his _Pure Sociology_, has been almost a bible on the sex problem to
sociologists, in spite of the fact that modern laboratory
experimentation has disproved it in almost every detail. While a
comparatively small number of people read this theory from the original
source, it is still being scattered far and wide in the form of
quotations, paraphrases, and interpretations by more popular writers. It