CLASS I.— EPIG.EA. 



ORDER I. RHEUTINEA. 



Genus 1. Aer. 



Sp. 1. A. tcrrcnus, Carburctlcd Hydrogen. 



2. A. Hydrogenicus, Hydrogen. 



3. A. Pliosphoricus, 1 hosphuretlcd Hydrogen. 



4. A. fetidus, Sulphuretted Hydrogen. 



5. A. Azoticus, Nitrogen. 



6. A. atmosphericus, Atmospheric Air. 



7. A. Carbonicus, Carbonic Acid. 



8. A. Sulphurosus, Sulphurous Acid. 



9. A. muriaticus, Muriatic Acid. 



Genus 2. Aqua. 

 Liquid. 



Sp. 1. A. limpida, Water. 



2. A. Sulj)hurica, Sulphuric Acid. 



ORDER II. STER1NEA. 



Genus 1. Acidum. 



II = 1 —2. G = 1 .4— 3.7. Taste weak. 



Sp. I. A. Boracicum, Boracic Acid. 



2. A. Arsenosum, Arsctwtts Acid. 



Genus 2. Borax. 



H = 2 — 2.5.' G=1.7. — 1.8. Taste sweet ish-aikitlint:. 



Sp. 1. B. obliquus, Borax. 



