[ i7 ] tained a great quantity of filver, but has ftot yet been tried for any thing elfe. Page 175, line 6, after cent. Sometimes a mark, i. e. half a pound of filver. It is likewife found lometimes td contain a very trifle of filver only. Page 176, line 8, Note. At prefent they know nothing of globular blend, and globular ore there. In Bohemia, near Joachimfthal, there is a Black blend, which is very heavy, and whofe furface is elevated, like fomfc kinds of haematites j but they have not been able to get any filver out of it. After line 8 from the bottom, The Hungarian gilf, which contains gold and filver, will doubtleis be found to contain fome iron, though its conftituent parts are not yet luffi- ciently examined. 11. With fulphurated and arfenical cobalt. Ar gentum cobalto fulpburato (A arfenicato mirte- ralifatum. Is found at Morgenftern, near Freyberg and Annaberg. Sometimes there are dendrites irt the l’tone. Thefe kinds generally wither in the air, and lofe the filver they contain. In water they keep very well. Page 177, after-line 7, It is fometimes found in fnowy cubic cryftals, of which the academy at Freyberg have a fine fpecimen. In 1747, they have found many pieces of it at Ober-Schbna. Line 14, after I omit them here j, Note. Our author doubts whether filver is ever found mi neralized with cobalt and bifmuth ; but the ores from bfhneeberg C and