Page Alluvial Mining (Middle Island) — continued. Otago District— continued. Clutha Valley— continued. Island Block Extended .. .. 131,132 Hercules Company .. .. .. 132 Enterprise Company .. .. .. 132 Roxburgh Amalgamated Company .. 132 Bald Hill Flat .. .. .. 132, 133 Manuherikia Valley .. .. .. 133 Ophir, Ida Valley, and German Gully 133, 134 Mount Ida .. .. .. 134, 135 Hyde and Hamilton .. .. 135, 136 Blackstone Hill .. .. .. .. 136 St. Bathan's .. .. .. .. 136-138 Ewing's Claim (Hydraulic Elevating) 137, 138 Scandinavian Water-race Company .. 138 United M. and E. Company .. .. 138 Muddy Creek Tailings Channel .. .. 138 St. Bathan's Water-race Company .. 138 Eagle and Gray and P. Tiernan and Company .. .. .. .. 138 Garty and Gallagher .. .. .. 138 St. Bathan's Channel Company .. .. 138 Vinegar Hill .. .. .. 138, 139 Morgan and Hughes .. .. .. 139 Hughes and Owen .. .. .. 139 Cambrian's .. .. .. .. 139 Tinker's (Matakanui) .. .. 139, 140 Devonshire .. .. .. .. 140 Dry Bread .. .. .. .. 140 Cromwell .. .. .. .. 140 Cardrona and Criffel .. .. 140, 141 Arrowtown .. .. .. 141, 142 Arrow Falls .. .. .. .. 142 Shotover . .• .. .. .. 142, 143 Round Hill .. .. .. ..143-145 Orepuki .. .. .. .. .. 145 Preservation Inlet .. .. .. .. 146-150 Chalky Inlet .. .. .. 146, 147 Explorations of Mr. Carrick .. .. .. 146-150 Te Whara Beach .. .. .. 147, 148 Cunaris .. .. .. .. ■. 148 Sub-alpine .. .. .. 148, 149 Timber-belts .. .. .. .. 149 The Lakes .. .. .. 149, 150 Dredging .. .- .. •• ..150-157 Otago .. .. ■• •■ ..151-156 Waipori .. .. ... .. .. 151 Glenore .. .. .. .. ■. 151 J. Nelson and Co.'s Dredge .. .. 151 Clutha River .. .. .. ..152-156 Golden Gate Company .. .. .. 152 Golden Run Dredge .. .. .. 152 Bennett and Party's Excelsior Dredge .. 152 Pringle and Party's Dredge .. 152, 153 Brazil and Party's Dredge .. .. ' .. 153 Richardson and Party's Claim .. .. 153 Golden Treasure Dredge .. .. .. 153 Miller's Creek Dredge .. .. .. 153 Roxburgh Dredge .. .. .. .. 153 Dunedin Dredge, No. 2 .. .. .. 153 Dunedin Dredge, No. 1 .. .. 153, 154 Ettrick Dredge .. .. .. .. 154 Dumbarton Rock Dredge .. .. .. 154 Edina Dredge Company .. .. .. 154 Manuherikia Dredge .. .. .. 154 Eureka Dredge, Alexandra.. .. 154, 155 L. Gard's Steam-dredge .. .. .. 155 L. Gard's Steam-dredge, No. 2 .. .. 155 Enterprise Dredge .. .. .. 155 Chicago Dredge .. .. .. .. 155 Clyde Dredge .. .. .. .. 155 Sew Hoy Company .. .. .. 156, 156 Sandhills Company .. .. .. .. 156 West Coast .. .. .. .. 156, 157 Collingwood Dredge .. .. .. .. 156 Cocksparrow Dredge .. .. 156, 157 Alexandra Dredge .. .. .. .. 157 Matakitaki Dredge .. .. .. .. 157 Explorations in the Urewera Country, Report on by H. A. Gordon, Esq., and A. McKay, Esq. . .157-165 Coal-mining .. .. • ■ ■ • ■ • 165-185 North Island .. .. .. .. 165, 166 Kawakawa .. .. . ■ .. 165, 166 Hikurangi Mine .. .. .. 165, 166 Ngunguru .. .. • • ■ ■ .. 166 Waikato .. .. .. •■ -• 166 Middle Island .. .. .. ..166-172 Collingwood .. .. .. 166, 167 Collingwood Coalfield, Report on, by N. D. Cochrane, Esq., Inspector of Mines .. 166, 167 West Coast.. .. • ■ ■ • • • 167-171 Mokihinui .. .. .. .. 168

C—3.

Page. Coal-mining (Middle Island) — continued. West Coast — continued. Westport Colliery Company .. .. 168,169 Granity Creek Mine .. .. -. 169 Greymouth-Point Elizabeth Company 169, 170 Blackball .. .. .. -■ 170 Brunner .. .. .. .. 170, 171 East Coast, Middle Island .. .. 171, 172 Southland .. .. .. .. .. 172 Statement showing Mines in the Colony where Output has exceeded 9,000 tons for Past Year, Number of Men Employed, &c... .. -. • ■ 172 The Origin and the Mode of the Formation of Coal: Paper read by Adolph Firket, Professor of the University of Liege, at the Meetings of the Association of Engineers .. .. .. ■ • 173-185 Extraction of Gold and Silver from Ores by Potas-sium-cyanide Solutions .. .. • • 185-210 Experiments by W. Skey, Colonial Analyst, on the Solvent Properties of Ores in Cyanide Solutions 186-189 Mr. MacLaurin's Experiments.. .. .. 189 Bromo-Cyanogen Solvents .. .. • • 190 Cyanide-potassium Patent Bights tested in England 190-202 Judgment of Mr. Justice Eomer. —Plaintiffs have no Patent .. .. .. .. 194,195 Judgment of the Court of Appeal .. .. 197-202 The Sulman-Teed Process .. .. ..202-204 The Cyanide Process in the Transvaal Mines .. 204-208 The New Recovery Process.—Electrical Precipitation from Cyanide Solution .. .. ..208-210 Patent Rights granted .. .. .. ..211-250 Extraction of Gold and Silver by Solvents . .211-224 Improvements in, or relating to, the Extraction of Precious Metals from their Ores, by Henry Livingstone Sulman and Frank Litherland Teed ..211,212 Improvements in the Treatment of Precious Ores, by Henry Livingstone Sulman .. 213 Improvements in, or relating to, the Treatment of Ores, by Henry Livingstone Sulman .. 214 Improvements in precipitating Precious Metals from Cyanide or Similar Solutions, by John Stewart Mao Arthur .. .. ..214,215 Improvements in the Method or Process of treating Gold and Silver Ores, &c, by Edward T>. Kendall .. .. .. .. 215 Improvements in Processes of and Solvents for separating Precious Metals from their Ores, by William A'Court Granville Birkin .. 216 Improvements in extracting Gold and Silver from Ores and other Compounds, by James Alexander Walker .. 216,217 Improvements in extracting Metals with New Solvent Materials, by John James Hood . .217,218 Improvements in Electrolytic Apparatus for decomposing Chloride of Sodium or Potassium in Solution, and for leading away the Products of Decomposition, by Trevenen James Holland .. .. .. ..218,219 Improvements in making Potassic Cyanide and Apparatus therefor, by William McDonnell Mac Key .. .. .. .. ..219,220 Improvements in obtaining Gold and Silver from Ores and other Compounds, and Apparatus therefor, by James Nicholas . .220,221 Improvements in and in connection with the Extraction of Gold and Silver from Ores or Compounds containing the same, and in their Recovery from Solutions, by John Cunninghame Montgomerie .. .. ■ • 221-223 Improvements in the Extraction of Gold and Silver and in Solvents of these Metals, by Dr. Albrecht Smidt .. .. .. ..223,224 An Improved Process for the Treatment of Auriferous and certain other Metalliferous Ores, by John James Christmas .. .. 224 Pulverising Machinery .. .. .. 224-228 An Improved Rotary Grinding and Pulverising Machine, by Richard Durrant Langley . .224-226 A New and Improved Gold-saving Machine, by William Henry Dawson .. .. .. 226,227 An Improved Crusher and Pulveriser, by Gustaf Frederick Phillip Lenz and William Paynter 227,228 An Improved Machine or Apparatus for pulverising or reducing Gold-bearing Quartz or Ores or other Hard Substances, by Edward Waters .. .. .. .. .. 228 Amalgamating and Concentrating Auriferous Ores 229,242 Improvements in the Construction and Method of operating Electrical Apparatus for the Treatment of Ores containing Gold and other Precious Metals, and for amalgamating the same, by William Joseph Weeden .. .. 229-231

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