TABULAR VIEWS OF MINERAL SYSTEMS. 447 4. Copper Spec. 1. Native Copper Var. 1. 2. Cement Copper Spec. 2. Calciform Copper-Ores Tribe i. Blue Var. 1. Mountain Blue 2. Striated Tribe ii. Green Fam. 1. Malachite Var. 1. Fibrous 2. Compact Fam. 2. Mountain Green Tribe iii Red Fam. I. Cochineal Red Var. 1. Compact 2. Foliated 3. Fibrous Fam. 2. Brick Red . Var. 1. Earthy 2. Indurated and its Ores. Spec. 3. Mineralized by Sulphur Fam. 1. Copper-Pyrites 2. Purple 3. Black 4. Vitreous Var. 1. Compact 2. Foliated Fam. 5. Grey Spec. 4. Mineralized by Muri- atic Acid 5. Mineralized by Arseni cal Acid Olive Copper-Ore Earthy Iron shot Mountain Green Glassy Iron shot Mountain Green 6. Mineralized by Arsenic White Copper Various Cupriferous Compound* 5. Iron and its Ores. Spec. 1. Native Iron 2. Mineralized by pure Air Tribe i. Fam. 1. Common Magne tic Ironstone 2. Fibrous 3. Magnetic Sand Tribe ii. Fam. 1. Specular Iron Ore 2. Brown Haematites 3. Compact Brown Ironstone 4. Brown scaly Ore 5. Brown Iron Ochre 6. Black Ironstone Tribe iii. Fam. 1. Red Haematites 2. Compact Red Iron stone 3. Red Ochre 4. Red scaly Iron Ore Tribciv. Argillaceous Iron Ores Fam. I. Upland Argillacc- h 4 Var. 1.