BY WILLIAM PLATT BALL
PREFACE.
CONTENTS.
IMPORTANCE AND BEARING OF THE INQUIRY.
SPENCER'S EXAMPLES AND ARGUMENTS. DIMINUTION OF THE JAWS IN CIVILIZED RACES.
DARWIN'S EXAMPLES.
INHERITED INJURIES. INHERITED MUTILATIONS.
MISCELLANEOUS CONSIDERATIONS. TRUE RELATION OF PARENTS AND OFFSPRING.
CONCLUSIONS. USE-INHERITANCE DISCREDITED AS UNNECESSARY, UNPROVEN, AND IMPROBABLE.
