IX 



SKETCH OF A SYSTEM 



BRITISH MINERALOGY. 



CLASS I. COMBUSTIBLES, 



ORDER I. HOMOGENEOUS! 



*Genus 1. Calor 



2. Hydrogen 



3. Nitrogen 



4. Oxygen 



5. Phosphorus 



6. Sulphur 

 7- Carbon 



8. Fluoric Radicle 



9. Muriatic Radicle 

 10. Boracic Radicle 



ORDER II. COMPOUND, 



Genus 1 . Bitumen 



2. Ammonia 



3. Soda 



4. Potash 



£. Carbo oxygenizatus 



ORDER III. AGGREGATE? 



CLASS II. EARTHS. 



ORDER I. HOMOGENEOUS. 



Genus 1. Argilla 



2. Magnesia 



3. Calx 



4. Silex 



5. Strontia 



6. Barytes 



7. Zirconia 



8. Glucina 



9. Yttria 

 10. Agustina 



ORDER II. COMPOUND, 



Genus 1. Argilla 



2. Calx carbonata 



3 . sulphata 



4. Quartzum 



ORDER III. AGGREGATE. 



a 



