etory ducts the other terminations of those glands in the capillary
arteries have been excited into increased action by the mutual association
of the ends of canals; and at the same time the pleasurable ideas, or
sensual motions, of the sense of smell and of sight have accompanied this
increased secretion of saliva. Hence this chain of motions becomes
associated with those visual or olfactory ideas, or with the pleasure,
which produces or attends them.

6. _Tensio mamularum viso puerulo._ The nipples of lactescent women are
liable to become turgid at the sight of their young offspring. The nipple
has generally been rendered turgid by the titillation of the lips or gums
of the child in giving suck; the visible idea of the child has thus
frequently accompanied this pleasurable sensation of parting with the milk,
and turgescence of the tubes, which constitute the nipple. Hence the visual
idea of the child, and the pleasure which attends it, become associated
with those increased arterial actions, which swell the cells of the mamula,
and extend its tubes; which is very similar to the tensio phalli visa
muliere nuda etiam in insomnio.

7. _Tensio penis in hydrophobia._ An erection of the penis occurs in the
hydrophobia, and is a troublesome symptom, as observed by Coelius
Aurelianus, Fothergill, and Vaughn, and would seem to be produced by an
unexplained sympathy between the sensations about the fauces and the penis.
In men the hair grows about both these parts, the voice changes, and the
neck thickens at puberty. In the mumps, when the swellings about the throat
subsides, the testicles are liable to swell. Venereal infection received by
the penis is very liable to affect the throat with ulcers. Violent coughs,
with soreness or rawness about the fauces are often attended with erection
of the penis; which is also said to happen to male animals, that are
hanged; which last circumstance has generally been ascribed to the
obstruction of the circulation of the blood, but is more probably
occasioned by the stimulus of the cord in compressing the throat; since if
it was owing to impeded circulation it ought equally to occur in drowning
animals.

In men the throat becomes so thickened at the time of puberty, that a
measure of this is used to ascertain the payment of a poll-tax on males in
some of the islands of the Mediterranean, which commences at puberty; a
string is wrapped twice round the thinnest part of the neck, the ends of