CONTENTS. 
A* Earthy changes 
1. Calcareous changes 
A, Loofe or friable 
B, Indurated 
2. Siliceous changes ? 
A, Indurated 5 
3. Argillaceous changes 
A, Loofe or friable C 
B, Indurated j 
B, Saline changes 
I. By the vitriol of iron 
Cn Phlogiftic changes 
1. By coal 
2. By rock-oil — 
3. By marcafite 
jD. Metallic changes • 
1. Byfilver 
2. — ^ copper — . 
3. — iron • 
E* Extraneous bodies in a ftate 
of deftru 61 :ion 
1, Animal mould 
2. Vegetable mould 
ill. NATURAL SLAGS — 
A. The Iceland agate - — r— 
Bi, The Rhenilh millftone — 
C, The pumice-ftone 
D, Pearl flag — 
E» Slag fand and afhes 
} 
} 
SECT* 
CCLXXXL 
CCLXXXIL 
CCLXXXIIL 
CCLXXXIVo 
CCLXXXV. 
CCLXXXVL 
CCLXXXVII. 
CCLXXXVIIL 
. CCLXXXIX. 
cexcL 
CCXCIIL 
— CCXCIVo 
. — CCXCV. 
CCXCVL 
— CCXCVIL 
CCXCVIIL 
CCXCIX. 
Defcription and Ufeof a Mineralogical Pocket Labora- 
tory. Page 2730 
Alphabetical Table of different Minerals^ with the 
Swedifh and German Names. p* 319. 
\ ' 
ERRATA, 
