part ii. Materia Medica. — Hgdrargyr

urn.

335

shall be mentioned when its preparations are described: it isonly necessary to observe further in this place, that althoughmen of the first medical talents have occasionally declaimedagainst its use ', and although much mischief may have of lateyears arisen from its indiscriminate employment by the specula-tive and the ignorant; yet, in the hands of judicious and cautiouspractitioners, it will continue to rank as one of the most usefulof the articles of the materia medica.

Officinal preparations. -I. By distillation to purify the metal.

1. Hydrargyrum purificatum, L. E. D.

II. By trituration ; (suboxidized.)

a. With animal fat.

2. Unguentum Hydrargyrifortius, L. Ung. Hydrargyri, D.3. ---------------- Hydrargyri, E.

4.--------------------------------- mitius, L. D.

5. Linimentum Hydrargyri, L.

6. Emplastrum Ammoniaci cum Hydrargyro, L. D.---------------- Hydrargyri, L. E.

b. With saccharine substances.

7. Pilulce Hydrargyri, L.E.D.

c. With carbonate of lime.

S. Hydrargyritm cum Creta, L. D.

d. With carbonate of magnesia.

9. Hydrargyrum cum Magnesia, D.

III. By the action of heat and air; [oxidized.)

10. Hydrargyri Oxydum rubrum, L. Oxydum Hydrargyri, D.

IV. By the action of acids.

a. With sulphuric acid ; (suboxidized.)

11. Subsulphas Hydrargyri jlavus, E. Oxydum Hydrargyri sul-phuricum, D.

b. With nitric acid; (suboxidized.)

12. Unguentum Hydrargyri nitratis, L. E.nitratis Hydrargyri, D. M^^^^^^^^^^^^^

13. Unguentum Nitratis Hydrargyri mitius, E.---------- _: ----------------- (oxidized.)

14. Hydrargyri Nitrico-oxydum, L. Oxydum Hydrargyri ru-brum per Acidum nitricum, E. Oxydum Hydrargyri nitri-cum, D.

15. Unguentum Hydrargyri nitrico-oxydi, L. Unguentum OxidiHydrargyri rubri, E. Unguentum Subnitratis Hydrargyri, D.

c. With muriatic acid.

f sublimated; (oxidized.)

16. Hydrargyri Submurias,!-: Submurias Hydrargyri mitis,Yj.Siibmurias Hydrargyri sublimatum, D.

17. Pilulce Hydrargyri submuriatis, L.-------------:------------■— (oxidized and acidified.)

1 Saunders — Observations on the Hepatitis of India, &c.

2 In forming this table, we have been much assisted by the excellent table drawnup by Dr. Duncan, jun. in the Edinburgh New Dispensatory; and we trust ouralterations will render it more practically useful.

Unguentum Super