PAGES 



Art. XL. On tlie Reduction of Certain Metals from their Soli^tions by Metallic 

 Sulphides, and the relation of this to the occurrence of such Metals 

 in a Native State. By W. Skey ... ... ...225—231 



XLI. On the Electro-motive Power of Metallic Sulphides. By W. Skey 232—236 



XLII. On Certain Properties of the Tutu Plant {Ooriaria ruscifolia). By 



H. G. Hughes, M.P.S. ... ... ... ... 237—243 



Geology. 



XLIII. On the Relative Ages of the Waitemata Series and the Brown Coal 



Series of Drury and Waikato. By Captain F. W. Hutton, F.G.S. 244—249 



XLIV. On a Carljonaceous Mineral from Whangarei Harbour. By Captain 



F. W. Hutton ... ... ... ... 250—251 



XLV. On the Artesian Wells near Napier. By Captain F. W. Hutton ... 251 



XLVI. On the Occurrence of Native Mercury near Pakaraka, Bay of 



Islands. By Captain F. W. Hutton ... ... ...252—253 



XLVII. On the Physical Geography of the Lake Districts of Otago. By 



James M'Kerrow ... ... ... ... 254r— 263 



XLVIII. On the Sand Hills, or Dunes, in the neighbourhood of Dunedin. By 



P. Thomson ... ... ... ... 263—269 



XLIX. On the Disposition of Alluvial Deposits on the Otago Gold Fields. 



ByL. 0. Beal ... ... ... ...270—278 



L. Notes on the Geology of White Island. By James Hector, M.D., 

 F.R. S., Director Geological Survey of New Zealand. With 

 Observations on the Crystalline forms of the Specimens of Sulphur 

 obtained. By E. H. Davis, F.G.S., F.C.S., of the Geological 

 Survey Department ... ... ... ... 278 — 285 



LI. On the Nomenclature of Rocks. By E. H. Davis .-. ...285—287 



LIL On a New Form of Iron Pyrites. By_ E.H.Davis ... ... 287 



LIII. Remarks on the Resemblance of the Country in the neighbourhood 

 of the Dun Mountain, and Wairoa Gorge, to the Mining Districts 

 of Queensland and Auckland. By W. Wells ... ...287—292 



LIV. Notes on the Thermal Springs, in the Hanmer Plains, Province of 

 Nelson. By Julius Haast, Ph.D., F.R.S. With letter from 

 Dr. Hector to the Superintendent of Nelson on the same subject 293 — 298 



Miscellaneous. 



LV. On Changes in the Hokitika River. By James Rochfort, C.E. ... 299—303 



LVI. On the Gyration of the Wind in New Zealand, with its Character- 

 istics m the various Quarters. By W. S. Hamilton. (Author's 

 Abstract.) ... ... ... ... 303—306 



LVII. On Periodic Vertical Oscillations in the Earth's Atmosphere, and 

 the Connection existing between the Fluctuations of Pressure, as 

 indicated by the Barometer, and Changes in the Weather. By 

 H. Skey, Government Meteorological Observer at Dunedin ... 306 — 311 



LVIII. Notes on the Chatham Islands and their luhalntants. By Gilbert 



Mair ... ... ... ... ... 311—313 



LIX. On the Analogy between the Maori and Indo-European Languages. 



By Edwin Fairburn. (Abstract.) ... ... ... 313—315 



LX. On an Adaptation of Water Power. By J. C. Crawford, F.G.S. 315—316 



LXI. On the Use of the Semicircular Protractor, with a Description of an 

 Improved Form of that Instrument. By James Stewart, C. E. , 

 Assoc. Inst. C.E. ... ... ... ... 316—318 



LXII. On the Use of Salt Water in the "Field" Boiler. By James Stewart 318—320 



LXIII. On a Self-acting Clamp Mountain Wire Tramway. By F. W. 



Wright, L. M.B.Toronto. (Abstract.) ... ...321—322 



LXIV. On the Currents, Temperature, and Saltness of the Ocean. By 



W. B. Bray. (Abstract.) ... ... ...322—324 



