C.—3.

Page. Patent Bights— continued. Amalgamating, &o. — continued. Improvements in Apparatus for triturating and amalgamating Auriferous and Argentiferous Ores, by John Thomas Penny and William Henry Bichardson .. .. .. 231-234 An Improved Shaking-table Concentrating Machine, usable also as an Amalgamator, by William Tarrant .. .. .. ..234-236 Improvements in, and Connected with, the Becovery of Metals from their Ores, by Charles Edgar Chapman and Thomas Fenton Whitford .. .. .. .. ..236,237 Improvements in Apparatus for saving Metals contained in Discrete Metalliferous Materials, and for concentrating and for classifying Discrete Ores and Substances, by John Frederick Cooke Farquhar .. . .238, 239 Improved Apparatus for the Extraction of Free Gold from Auriferous Material such as Alluvial Washdirt, Gravel, Sludge, Tailings, and the like, by William Eorrest Boberts and William Boberts .. .. .. ..239,240 Improvements in Apparatus for washing and saving Gold, Tin, and Gems, by Bobert Taylor Coghlan .. .. .. .. ' ..240,241 The Saving of Gold by a Travelling Endless Sluice-box, by David Mason and Bichard Thomas Wheeler, jun. .. .. ..241,242 Youngman's Eclipse Gold-saving Machine, by Henry Youngman.. .. .. .. 242 Treatment of Befractory Ores .. .. .. 242-247 An Improved Process of treating Befractory Ores, and Apparatus to be used therein, by Edgar Arthur Ashcroft .. .. .. 242-247 Dredges .. .. .. .. ..247-248 Improvements in Gold - dredging Machinery, Upright Ladder Dredge, by Henry Benjamin 247 B. Cockerell's Submarine Travelling-cradle for Gold - dredging and Separating, by Bobert Cockerell.. .. .. .. .. 248 The Improved Submarine Angle-iron Flexible Picks for Gold-dredging and other Purposes, by Bobert Cockerell .. .. .. 248 Furnace for making Crude Antimony .. .. 248 Seager's Antimony Cruding Furnace, by Edward Seager .. .. .. .. .. 248

Page. Patent Bights— continued. Blasting .. .. .. .. .. 249* A Method of and Apparatus for Blasting, by Abraham Wilhelm Schwarz .. .. 249 Ironsand Smelting .. .. .. .. 249The making of Briquettes from Taranaki Ironsand, by Edward Purser .. .. .. 249 An Improvement in Berdan-drags, Mullers, and other Solid Grinders used in Amalgamating- or Grinding-pans for the Eeduction of Quartz-tail-ings, and the Saving of Amalgam, by Joseph Kilgour .. .. .. .. ..249-250 Mechanical Treatment of Gold Ores .. .. 250-252" The Murphy Process —Automatic and Economical .. .. .. .. ..250-252 Specification for Aerial Tramway, by Benjamin Sutherland .. .. .. ..252-255 Hydraulic Pipes, Experiments by Alexander Aitken .. .. .. .. ..255,256 Table showing the Carrying-capacities of Clean Hydraulic Pipes in Sluice-heads .. .. 256 Cinnabar .. .. .. .. ..257-259 Cinnabar Deposits, Ohaeawai .. .. .. 257-259 Petroleum .. .. .. .. .. 260-Mine-managers' Examination Papers .. ..260-266 List of Mining Managers, Battery Superintendents, and Engine-drivers who have obtained Certificates under the Mining and Coal-mines Acts of 1886, 1891, and 1894 .. .. .. ..267-269 Summary of Works constructed .. .. .. 270-272 Concluding Kemarks .. .. .. ..272,273 List of Works on Goldfields undertaken wholly by the Mines Department, or by Subsidies to County Councils, Local Bodies, and Prospecting Associations, in progress on the 31st March, 1895 .. 274-277 List of Works on Goldfields constructed wholly by the Mines Department, or by Subsidies to County Councils, Local Bodies, and Prospecting Associations, and completed prior to the 31st March, 1895.. .. .. .. .. ..277-284 Beturn showing the Value of the Sales of Water, and Expenditure on and Collateral Advantages derived from the Working of the Water-races constructed and maintained by Government during the Tear ending the 31st March, 1895 .. .. 285

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