a reverent, open-eyed, conscientious spirit, as one who wishes, above
everything else, to know the honest truth in these most essential
matters that pertain to human life. Get into this frame of mind, and
_keep in it_, and what is here written will be read with both pleasure
and profit.

Once more, for we must make haste slowly in these delicate affairs, if
the reader should find himself or herself unduly excited, or perhaps
shocked, while reading some parts of what is here written, so that the
heart beats too fast, or the hand trembles, it may be well to suspend
the reading for a time, divert the mind into other channels for a
while, and resume the reading after one has regained poise and mastery
of one's self. That is, "_keep your head_" while you read these
lessons, and you will be all right.




IV

THE SEX ORGANS


And now, having given these cautionary directions, the way is clear
for the making of definite statements and the giving of positive
instruction.

Here, then, is a brief description of the sex organs in man and woman.
At first, only the names of the parts will be given, with such slight
comments and explanations as are necessary for making this part of the