CONTENTS. 



SECT. VI. 



Page 



"Directions for collecting and diftinguijhing Fossil 

 Substances, including Earths, Stones, Salts 9 

 Inflammables, and Metals, — — 42 



SECT. VII. 



Directions for taking off Impressions or Casts 

 from Medals and Coins. —t ~— 6% 



PART 



