(seq. 257)

248

Materia Medica

Tonics

the administration of the bark in the cure of intermittants.

Old Ulcers. Assuming carious appearance the oxide of arsenic
has been used with advantage and we are informed by
experiments of Dr Sternson that such ulcers after the failure of
arsenic have been successfully healed or cured by the application of
roasted onions. Dr Maguir asserts that the oxide of arsenic
predisposes to pulmonary consumption, but I have never heard an
instance of this in this country = I think I have known it
to remove a predisposition to this disease. I know not whether
arsenic has ever been used by any person except myself to
prevent the recurrence of hectic fever = which is generally ushered
in by a cold fit, in a case that came under my notice where
the patient was labouring under hectic fever and with a
distressing cough; the bark nauseating her, I consequently
exhibitted the arsenic the consequence was that my patient in a short
time was so much better of her indisposition that she was
able to go out, and long after she relapsed and the fever was
so much more severe and accidentally of the hectic kind
with Phthisis to which she was predisposed I exhibitted the
arsenic again and with the best effects, after being several