Aquae Rosae 5jj

Hydrargyri Sulphuretti Rubri Jj,
Olei Essentialis Bergamotae ^ss,
Sul phuris-sublimati,
Adipis Suillae a a ^ix. Misce secundum artem.
i854 PUSTULiE :

R Pulveris radicis Veratri albi ^8s>
Hydrargyri prsecipitati albi 2o,
Olei Citri Limonis f Jj,
Adipis 5xiv.
Tere ut fiat Unguentum, bis die utendum :

or in that of decoction. In the latter form I have
generally found it advisable to employ a stronger
decoction than that which is recommended in the
Pharmacopoeia of the College. Potass, in a state
of deliquescence, was a favourite addition to these
applications with Willis and his predecessors ; and
Muriate of Ammonia, and some other saline stimu-
lants, have been more recently used, and not without
benefit. * The strong Sulphuric Acid, which was long
ago recommended by CroUius, mixed with lard, in
the proportion of fsss. to %j of lard, and applied by
external friction, has also been employed t; and it
certainly possesses the recommendations of being in-
odorous and comparatively cleanly. But independ-
ently of its corrosive action on the patient's clothing,
it has appeared to me to be very uncertain in its
effects. The Muriate of Mercury, and the white
precipitated oxide, are very old remedies, and both
possessed of considerable efficacy in the relief of Sca-
bies. The testimonies in favour of the latter are
very numerous, t It seems particularly well adapted



* This salt, together with Hellebore, is said to constitute a part of a
celebrated nostrum for Scabies, called the Edinburgh Ointment.
