62) recommends that children should be sent to spend some of their time upon a farm, so that they may not only become acquainted with the general facts of the natural world, but also with the sexual lives of animals, learning things which it is difficult to teach verbally.

Karina Karin ("Wie erzieht man ein Kind zuer wissenden Keuschheit ?" _Geschlecht und Gesellschaft_, Jahrgang I, Heft 4), reproducing some of her talks with her nine-year old son, from the time that he first asked her where children came from, shows how she began with telling him about flowers, to pass on to fish and birds, and finally to the facts of human pregnancy, showing him pictures from an obstetrical manual of the child in its mother's body.

It may be added that the advisability of beginning the sex teaching of children with the facts of botany was repeatedly emphasized by various speakers at the special meeting of the German Congress for Combating Venereal Disease devoted to the subject of sexual instruction (_Sexualpaedagogik_, especially pp.

36, 47, 76).
The transition from botany to the elementary zooelogy of the lower animals, to human anatomy and physiology, and to the science of anthropology based on these, is simple and natural.

It is not likely to be taken in detail until the age of puberty.