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4 Ifi appendix. Spec. 2. Turf and Peat Genus 5. Vtgelo-Bituminous Spec. I. Jet 2. Amber Ambergris and Copal Appendix. Mellilite Genus 6. Sulphur and its Ores Spec. 1. Native Sulphur 2. Hepatic Air 3. Sulphur combined with Argil 4. — mixed with Argil 5. United with Calca reous Earth 6. United to Fixed Alkalies 7 to Metallic Sub stances 8. Martial Pyrites Fam. ]. United to Iron in its metallic state Var. I. Common Sulphur Pyrites 2. Striated 3. Capillary 4. Magnetic Fam. 2. United to Calx of Iron Hepatic Pyrites IV. METALLIC SUBSTANCES. , 1. Gold. Species 1. Native gold Auriferous ores 2. Plalina. 3. Silver and its Ores. Spec. 1. Native silver „ . Spec. 7. Antimomated Silver- Fam. I. Pure 2. Auriferous . 3. Cupriferous 4. Antimoniated 5. Arsen icated Spec. 2. Calciform ' 3. Mineralised by Acids I’am. 1. Corneous 2. Argillo-Muri- ated Spec. 4. Sulphurated Silvcr-ore 5. Light Lamellar Silver- ore 0. Sooty Silver Ore ore 8. Plumbiferous Antimo niated Silver-ore Fam. 1. Light Grey 2. Dark Grey 9. Cupriferous Sulphurat ed Silver Ore 10. Red Silver Ore Fam. 1. Light Red 2. Dark Red 11. Scoriaceous 12. Bismuthic 13. Greenish and Reddish black Silver-Ore Subsidiary 4*