Skey, W.—continued.
Cyanide-solutions, Rapid Action of Strong, on Gold superficially, 30, 512.
Cyaniding Gold, Liberation of Hydrogen in a certain Variation of the Apparatus used for, 30, 510.
Cyanogen, Analogy of, to Oxygen, 7, 379.
Cyanogen, Free: Further Results showing that it does not dissolve or even attack Gold, 29, 576.
Cyanogen: the Position it holds in relation to the Simple Radicals, and its Inability to combine directly with Silver or Gold, 29, 574.
Desilvering of Argentiferous Gold, New Mode for Direct, 1, 103 [2nd ed., 47].
Earthy Carbonates: Degree of Solubility in Pure Water, 10, 452.
Electricity, Conducting-power of Metallic Sulphides and Oxides for, 4, 311.
Electro-capillary Theory, Fallacy of the, 21, 363.
Electro-deposition of Gold upon the Gold of our Drifts, 30, 498.
Electro-motive Order of certain Metals in Cyanide of Potassium, 8, 334.
Electro-motive Power of Gold and Platina in Sulphides, 4, 313.
Electro-motive Power of Metallic Sulphides, 3, 232.
Galvanic Circuit or Battery, Capability of certain Sulphides to form Negative Pole of, 3, 222.
Gold, Absorption of Sulphur by, and its Effects in retarding Amalgamation, 3, 216.
Gold, Alleged Nuclear Action of, 5, 372.
Gold Nuggets in Drift, Formation of, 5, 377.
Gold, Oxidation of, in Presence of Air and Water, 25, 381.
Hot Blast, Application of, to Blow-pipe Purposes, 2, 148.
Hydration of Clay-slate, Clays and Coal, Evolution of Heat during the, 7, 384.
Iodine and Bromine, Application of, for Detection of Gold in Minute Quantities, 2, 156.
Iodine, Manufacture of, Substitution of Acetate for Sulphate of Copper in, 5, 376.
Karaka Nut, Isolation of the Bitter Substance of, 4, 316.
Lead, A Periodide and an Iodo-carbonate of, 13, 388.
Lead, Native, Occurrence at Collingwood of, and its Association with Gold, 21, 367.
Magnesia, Dimorphism of, 13, 389.
Manganese-ores: Examination for Cobalt, 10, 448.
Mercuro-iodide Test for Detection of Alkaloidal or Albumenous Matters, Modification of the, 9, 553.
Mineral Oils of N.Z., 6, 252.
Mineral Waters of N.Z., 10, 423.
Mode in which Oil acts as a Nucleus in Supersaturated Saline Solutions, 12, 407.
Osomose [Osmose] as the Cause of the Persistent Suspension of Clay in Water, 11, 485.
Oxidation of Gold and Mercury by Oxygen in Presence of Water, 8, 339.
Oxidation of Mercury in Air and Water, also of Iron, in Alkaline Solution, 29, 582.
Oxidation of Silver and Platinum by Oxygen in Presence of Water, 8, 332.
Oxygenized Graphite and Platinum, Chemical Effects of, 8, 347.
Paraffin-deposit at Waiapu, Supposed, 14, 397.
Petroleum, Hydrocarbons of Benzol Series in, 11, 469.
Photographic Effects produced with Silver Salts: New Theory of the Mode, 14, 403.
Platinum, Absorptive Properties of, 3, 221.
Platinum, Fusibility of, in the Blowpipe flame, 2, 155.
Potassium-cyanide Solution, Action of, upon Gold: Notes on Mr. J. S. Maclaurin's Paper, 28, 708.
Precipitate formed by certain Mercuric Salts in Presence of Essential Oils, Nature of, 12, 412.
Property possessed by Essential Oils of whitening Precipitate produced by mixing Solution of Mercuro-iodide and Mercuric Chloride, 11, 470.
Reduction of certain Metals from their Solutions by Metallic Sulphides, 3, 225.
Seismograph for indicating or registering Minute Shocks, Electro-magnetic, 4, 330.
Silica, Absorptive Properties of, and its Direct Hydration by Contact with Water, 2, 151.
Silver-ore of Richmond Hill, Composition of the, 9, 556.
Simplest Continuous Manifoldness of Two Dimensions and of Finite Extent: Notes upon Mr. Frankland's Paper, 13, 100.
Stinkstone (Anthraconite), Nature of, 25, 379.
Sulpho-cyanide of Potassium, New Process for Manufacture of, 4, 330.
Sulphuretted Hydrogen Gas, Generation of, 4, 321.
Sulphur from Carbon by Voltaic Action, Evolution of, 7, 389.
Suspension of Clay in Water, Cause of, and its Precipitation, 4, 380.
Tomlinson's Cohesion Figures, Nature and Cause of, 11, 490.
Torbanite, Formation and Constitution of, 7, 387.
Tutu Plant, Extraction of the Poisonous Principle of, 2, 153.
Voltaic Cell, Replacement of Metals in a, 8, 343.
Water, Decomposition of, by Tannic Acid in Conjunction with an Alkali, 30, 509.
Writing-ink, A Useful Modification of Common, 9, 557.
Zinc and Cobalt Salts, Allotropic Form of, 13, 387.
