prostate fluid, in which they can move about freely, and by means of
which they can be carried wherever this fluid goes. The combination of
prostate fluid and spermatozoa is called "semen."

Seen under a microscope, a single drop of semen reveals a multitude of
spermatozoa swimming about in the prostate-carrying medium. It is in
this form that the vitalizing male element meets the female infertile
ovum. This mass of live and moving germs is poured all around and
about the region in which the ovum lies waiting to be fertilized, and
every one of them seems to be "rushing about like mad" to find what it
is sent to do, namely, to meet and fertilize the ovum. The manner of
depositing the semen where it can come in contact with the ovum is as
follows:

In order that this mingling of the male and female sources of life may
be possible, it is necessary that there be a union of the male and the
female generative organs. For such meeting, the penis is filled with
blood, all its blood vessels being distended to their utmost capacity,
till the organ becomes stout and hard, and several times its dormant
size, as has been already told. In this condition it is able to
penetrate, to its utmost depths, the vaginal passage of the female,
which is of a nature to perfectly contain the male organ in this
enlarged and rigid condition. Under such conditions, the penis
is inserted into the widened and distended vaginal passage. Once
together, a mutual back and forth, or partly in and out movement, of
the organs is begun and carried on by the man and woman, which action
further enlarges the parts and raises them to a still higher degree
of tension and excitement. It is supposed by some that this frictional
movement of the parts develops an electrical current, which increases
in tension as the act is continued; and that it is the mission of the