C 38 ] 
Spurious filtering Hone. 
Sand-ftone. 
Common argill. 
A few breccix. 
A few lavae. 
Of filiceous and muria- 
tic earths. 
Almond-ftone. 
Ophites. 
A few brecciae. 
A few laya;. 
Of filiceous and calcare- 
ous earths. 
Almond-ftone in a cal- 
reous nucleus. 
Lapis laxuli. 
Pitch-ftone. 
Of aluminar and muri- 
atic earths. 
Peperino. 
Cement. 
Puzzolane earth. 
A few lavae. 
Of aluminous and calca- 
reous earths. 
Ponderous fpar. 
Marl. 
Impure ardefia. 
Of muriatic calcareous 
earths. - IV. 
Afchengebirge. 
Salz-ftcin. 
Tophs of warm fprings 
Of filiceous aluminous if 
muriatic earths. 
Pafalt. 
A few fchilts. 
A few brccciEc, 
Of filiceous aluminous id 
calcarious earths. 
Z eolith. 
Mineral fluor. 
A few breccix. 
Common mud. 
Of filiceous muriatic id 
calcareous earths. 
Peperino di Marino. 
Grunfttin. 
Rock cinereous breccia. 
A few fchifts. 
Of aluminous muriatic 
and calcareous earths. 
Trap. 
Sand-ftone. 
Ancient fchift. 
A few breccite. 
Of fliceous, aluminouSy 
muriatic and calcare- 
ous earths. 
Porphyrel, 
Metalliferous rock. 
A few brecciae. 
Soil. 
INFLAMMABLES. 
I. Sulphurs. 
a. Petreola, 
3, Ambers. 
4. Bitumens. 
