2. Through often evacuation there is little seed left, and
therefore no delight. 3. Because such, instead of seed there is cast out
blood, undigested and raw, or some other watery substance, which is not
hot, and therefore affords no delight.
_Of the Seed of Man and Beasts._
Q. How, and of what cometh the seed of man? A. Some philosophers and
physicians say, it is superfluous humours; others say, that the seed is
pure blood, flowing from the brain, concocted and whitened in the
testicles; but sweat, urine, spittle, phlegm, choler, and the like, and
blood dispersed throughout the whole body, come chiefly from the heart,
liver and brain, because those parts are greatly weakened by casting
seed; and therefore it appears that frequent carnal copulation is not
good.
Q. Why is a man's seed white, and a woman's red? A. It is white in men
by reason of great heat and quick digestion, because it is rarefied in
the testicles; but a woman's is red, because her terms corrupt the
undigested blood, and it hath its colour.
Q. How come females to have monthly courses? A. Because they are cold in
respect of men, and because all their nourishment cannot be converted
into blood, a great part of which turns to menses, which are monthly
expelled.
Q. For what reason do the menses not come down in females before the age
of thirteen? A.
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