Introductory material
Reading edition
The nature of the problem—Necessity of comprehending the gang spirit—Illustration from fighting and by an incident of real life—Difference between boys and girls—Boys’ motor-mindedness—Practical hints—Importance of using natural groups—Illustrated by gymnastics—By nature study—By work in practical arithmetic—By other coöperative efforts—By pupil self-government—The important matter is to utilize the great passions of boyhood.