or three hours are generally not so fatiguing that they must be
prohibited, provided the individual is perfectly well. Traveling by
boat is less tiresome than traveling by rail and, if equally
convenient, the boat should be given the preference. Long automobile
tours are attended with considerable risk of miscarriage and,
therefore, are forbidden.

MENTAL DIVERSION.--As a rule good health prevails throughout
pregnancy; it would be enjoyed even more frequently if many
prospective mothers did not think so much about the fact that they
are pregnant. For this deplorable self-consciousness the spirit of
the age is in part to blame; there never was a time, in all
probability, when people took such a keen interest in all matters
pertaining to health. It is also true, however, that fuller
instruction is needed now because the temptations to depart from a
regular, temperate way of living have notably increased.

At all events the point has now been reached where the average man or
woman knows something of anatomy, physiology, and the laws of
hygiene. Such knowledge should be helpful, and generally is, but if
it causes anyone to think incessantly about the workings of the body,
to that person it is detrimental. We all know such individuals. They
are made miserable because they scrutinize functions, like the
beating of the heart, that go on automatically and should be left
unobserved, or they minutely analyze their feelings and misinterpret
normal sensations as the evidence of disease.

The tendency to be introspective is especially pronounced in women
who are pregnant, and this is readily explained by the reciprocal
relations between the mind and the body. If the prospective mother