metimes, as in Persia and the country of the Kalmucks, it is found as hard as stone. It is met with of different colours, as grey, black, green, and red, in the neighbourhood of volcanoes, in the caverns or grottoes of Puzzuoli, and in the mineral lakes of Tuscany, as well as in some mountains of Tartary and Tibet. At Solfaterra, near Naples, it is found in the crevices, of a yellowish colour, like common sal-ammoniac more than once sublimed. For common sal-ammoniac, see Chemistry-Index at Ammoniac and Ammoniacal Salt.

SAL Fixed. See Chemistry no 1016.

SAL Glauber's secret. See Chemistry-Index at Glauber.

SAL Nitrous. See Chemistry, no 292, &c.

SAL Vegetable. See Chemistry-Index at Salts, &c.

SAL Volatile. See Chemistry-Index at Volatile.

SAL Digestive, Sylvii. See Chemistry, no 379, 421, 794.

SAL Diureticus. See Chemistry, no 868.

SAL Microcosmicus. See Chemistry, no 606, and 905.

SAL Prunella. See Chemistry, no 744.

SAL Sedative. See Chemistry-Index at Borax.

SAL Volatile Oleofum. See Chemistry, no 1036.a famous sultan of Egypt, equally renowned as a warrior and legislator. He supported himself by his valour, and the influence of his amiable character, against the united efforts of the chief Christian potentates of Europe, who carried on the most unjust wars against him, under the false appellation of Holy Wars. - See the articles Egypt and Croisade.