70 
1258. 
1259. 
1260. 
1261. 
1262. 
1263. 
1264. 
1265. 
1266. 
Mineralogical Cabinet. 
one hand to mica, and on the other to talc. L. Bland- 
ford, Massachusetts. 
Brittle Talc-Mica. L. Blandford, Massachusetts. 
Dysluite, or Manganesian Spinelle, in octahedral crystals 
in calcareous-spar. L. Sparta, New-Jersey. 
. Deweyite. A siliceous hydrate of magnesia. L. Middle- 
field, Massachusetts. 
.* * * * * Not yet examined. L. Blandford, Massa- 
chusetts. 
CLASS II. 
ORDER I. RESIN. 
Genus I. Meticurone-Resu. 
Sp.1. Pyrimidal Melichrone-Resin. Triv. Mellite. 
L. Thuringia. In loose octahedra. 
Genus JJ. Muinenat-Resin. 
Sp. 1. Yellow Mineral-Resin. 'Triv. Amber. 
L. Coasts of the Baltic. 
L. do. Polished. 
Sp. 2. Black Mineral-Resin. 'Triv. Mineral Oil. Bi- 
tumen. 
L. New-York. Naptha from the distillation of mineral 
oil. 
. Barbadoes. Var. Barbadoes tar. 
. Derbyshire. Var. Elastic bitumen. 
. France? Compact mineral pitch. 
. Trinidad. Var. Asphalt. 
. Unkown. Slaty mineral pitch. 
| ea ell oa 
