"Take of the bark of cinchona lancifolia, reduced to a coarse powder, one ounce; bruised calumba root, three drachms; bruised cloves, two drachms; iron filings, half an ounce. Digest in a close vessel for three days, agitating frequently with as much peppermint-water as will yield twelve ounces of strained fluid; then add, of compound tincture of cardamoms, three ounces; and tincture of orange-peel, three drachms."

1 This name is certainly improper; but it is not easy to invent one which would be descriptive of the compound, and yet be sufficiently concise : mistura subcar-bonatisferri cum myrrha would have been less objectionable.

If the iron is of any value here, it must exist in the state of a gallate and kinate. The mixture was originally employed under the name of Heberden's Ink, Atramentum Heberdenii. It appears to me to be a very unnecessary admixture of bitters