us APPENDIX. Var. I. Common Argil laceous Iron stone Var. 2. Columnar Iron Ore 3. Acinose 4. Nodular 5. Pisiform Fam. 2. Lowland Argilla ceous Iron Ore Siderite Sideritic Calx Var. 1. Lowland Ores Meadow Var. 2. Swampy 3. Mprassy Spec. 3. Mineralized by Carbon Plumbaginous 4. Blue Martial Earth 5. Blue Iron-Ore of Vorau 6. Green Martial Earth 7. Mineralized by Sulphur 8. Mineralised by Arsenic 9. Mineralized by the Ar senical Acids 10. Sparry Iron-Ore 11. Emery 12. Tungstenic Iron-Ore 6. Tin and its Ores. Spec. 1. Native Tin Fam. 2. Fibrous, or Wood 2. Mineralized by Oxygen Tin Ore Fam. 1. Common Tin stone 3. Tin Pyrites 7. Lead and its Ores. Spec. 1. Native Lead 2. Mineralized by Oxygen and Fixed Air Fam. 1. White Lead Ore 2. Earthy, Yellowish, Greenish, &c. Lead Ore 3. Earthy red Lead Ore 3. Phosphorated Lead Ore 4. Arsenicated Lead Ore 5. Arsenico-Piiosphorated Spec. 6. Vitriolated 7- Yellow Molybdenated Lead Ore 8. Red Lead-Spar 9- Mineralized by Sulphur Fam. 1. Common Galena 2. Compact S. Blue Lead Ore 4. Black Lead Ore Brown Lead Ore of Wer ner 8. Mercury