CONTENTS.
Project Gutenberg EPUB3 edition
Kellogg, John Harvey
INTRODUCTION
SEX IN LIVING FORMS.
Living beings
Animals and vegetables
Life force
Reproduction
Spontaneous generation
Simplest form of generation
Hermaphrodism
Sex in plants
Sex in animals
Other sexual differences
Men and women differ in form
Modern mania for female pedestrianism
3,000 quarter miles in 3,000 quarter hours
A female walking-match
The male and female brain
Vital organs of man and woman
Woman less muscular, more enduring
A pathological difference
Why a woman does not breathe like a man