CONTENTS. 



XXXV 



A. Earthy changes 



1. Calcareous changes 



A. Loofe or friable 



B. Indurated 



2. Siliceous changes 7 

 A. Indurated \ 



3. Argillaceous changes} 



A. Loofe or friable C 



B. Indurated J 



B. Saline changes 

 1. By the vitriol of iron 



C. Phlogiftic changes 



1. By coal 



2. By rock-oil - 



3. By marcafite - 



D. Metallic changes 



1. Byfilver 



2. — copper 



3. — iron ' 



E. Extraneous bodies in a ftate 



of deftruction 

 I. Animal mould 

 2. Vegetable mould 

 III. NATURAL SLAGS — 

 A, The Iceland agate 



} 



} 



SECT, 



CCLXXXL 



CCLXXXIL 



CCLXXXIIL 



CCLXXXIV. 



. CCLXXXV, 



CCLXXXVL 

 CCLXXXVII. 



CCLXXXVIII. 



■ CCLXXXIX. 

 CCXCI. 



B. The Rhen'.fh millftone 



C. The pumice-ftone — 



D. Pearl flag 



£. Slag fand and afhes 



CCXCIIL 



CCXCIV. 



CCXCV. 



CCXCVL 



CCXCVII. 



CCXCVIII. 



. CCXCIX. 



Defcription and Ufe of a Mineralogical Pocket Labora- 

 tory. » Page 273. 

 Alphabetical Table of different Minerals, with the 

 Swedifh and German Names. p. 319, 



ERRATA, 



