C O N T E N T S', 



CHAP. V. page 22. 



Vitriolic Salts. 



Glauber's Salt', botv decompofed\ Solution of it left to cool cryJlalliKti 

 on being Jhaken. Vitriolated 'Tartar. Vitridated Ammoniac. 



CHAP. VI. page 26. 



Nitrous Salts. 



Common Nitre ; Phenomena attending its Deflagration 'with inflammable 

 Subftances. Natural Hiftory of Nitre. Cubic Nitre. Union of 

 nitrous Acid *witb various Earths.*** Nitrous Ammoniac. 



CHAP. VH.page 33. \ 



Muriatic Salts. 



Sal T)igefti e vits.'*~- Common Salt, Rock Salt>~~ Natural Hijlory of 

 Salt. Saltnefs of the Ocean. Ufes of common Salt in the Arts. 

 Sal Ammoniac. Natural Hi/lory of Sal Ammoniac, 



CHAP. VIII. page 44. 

 Combinations of the other Mineral Acids* 



$j>arry Tartar. Sparry Soda. Borax, its Properties ; its Ufe in tb'e 

 Arts, Combinations of neutral Salts with Metals. 



CHAP. IX. -page 47. 



Earths in general. 



Different Kinds of Earth. New Earths difcovered. Definition of 

 Earths. Exceptions. Other general Properties of Earths. Calca- 

 reous Earth. -Magnefia. Barytes. Clay. Flint. 



CHAP. X. page 52* 



Calcareous Earths. 



Chalk. "Llmeflotte. Marble. Marie. Calcareous Spar. -^Iceland 

 Cryftals. Petrifattions. Parts of Animals found in Marie, &c. 

 Gypfoms. Great Varieties. Alabajler. Fibrous Stone. Mineral 

 Glafs.Se/enite. Gypfeous Spar.PlaiJler of Paris ; how pre- 

 pared. Fvfible or Derbyshire Spar. Spars ; how formed. Beauti- 

 ful Appearances in different Caverns. Metallic Combinations wit if 

 (alcareous Earth. 



CHAP. 



