The facts, so clearly shown in the present volume, that the life of sex begins long before its obvious manifestation it puberty, and that the direction of its vaguer and less diferenciated habits in these earlier years. In this book, the origin and development, in childhoo and youth, of the acts and feelings due to sex; to explain the forces by which sex-responce are directed and misdirected; and to judge the wisdom of exiting and proposed methods of preventing the degredation of a people's sexual life.