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347

130

PAGE.
Gas, Fabrication of from Soap-Suds ...... .......
Gasmeter, a Dry One ......

........ 468
Gaylord, Willis, Esq., on Thunder Showers, Parhelia, &c.... 294
Gelatine, Extraction and Decolorization of..

47
Geology of the Western States of North America ......
Gilbert, Mrs. Davis, on Spade Husbandry .......

101
Glaciers, the Formation of ....

..... 317
Glass Spinning.............

.............. 467
Goode, Dr. Wm., on Daguerreotype by Galvanic Light .... 354
Goodman, John, Esq., on Voltaic and Frictional Electricity .. 460
Gravitation, the Nature of .... ................ 317
Gregory, Professor Dr. W., on Hydrochloric Acid.......... 255
Grove, Professor, on Constant Voltaic Batteries............ 538
Gunpowder, Ignition of by Electric Discharges .......... 14 19

299

206

. H.
Hæmatoxylin ......

..................... 464
Haldine, Col., on the Forces of Electric Batteries .......... 309
Halo, Description of a................................
Harris, W. S., Esq., on Meteorological Observations........ 211
Heat of Combustion, the Electric Origin of................ 200
Herschel, Sir John, on Meteorological and Magnetic Ob-
servations .......

........ 218
Hodgkinson, Eaton, Esq., on the Strength of Materials...... 457

- on the Resistance of Air .........
Horns of the Wapeti Deer ........................... 133
Howard, Luke, Esq.,, on Meteorology....
Hutton, Mr., on Earthquakes .......

....... 98
Humboldt, Baron, on the Action of Metals on the Animal
Organs ........

.... 522
Hunt, R., Esq., on the Influence of Light on Seeds and Plants 130
Hydrochloric Acid, Preparation of .......

.. I.
Ibbetson, L. B., Esq., on Fossil Fishes .................. 132
Indian Rubber Stoppers for Bottles .................... 458
Induction, from the Discharge of a Battery......
Joule, J. Prescot, Esq., on the Electric Origin of Heat...... 200

222

.. 255

...

28

PAGE.
Iron, the Action of Air and Water on....... ............. 460

the Strength of .......... ................... 456
- a Peculiar Voltaic Condition of ..........35 39 411 468

K.

King, Dr. Alfred T., on a Halo of great Splendour ........ 299
Knox, Professor John, on Fossil Fishes .......

131
Kranty, M. E., on the Adulteration of Sugar.............. 335

L.

Lectures on Electricity..........................24 417 440
Light, its Influence on Seeds and Plants.................. 130
Leigh John, Esq., on a New Product from Coal Naptha..... 210
Lenz, Professor, on Resistance to Galvanic Currents ........ 458
Liddle, Andrew, Esq., on Ventilation .................. 109
Liebig, Professor, on the Preparation of Cyanide of Potassium 245

M.

218

222

Magnesian Limestones................................ 211
Magnetic Electrical Machines, Theory of ................ 458
- Currents .........

.... 91 93
Magnetic Observations.......
Magnetism, Savary's Memoir on .................

............ 257
Magnets, on the Manufacture of Permanent ..............
Mallet, Mr., on the Action of Air and Water on Iron ...... 450
Matteucci, M. Charles, on the Induction from the Charge of a
Battery ...........

......... 28
Mercer, John, Esq., on Catalytic Action.................. 129
Metallic Conductors......

....... 94
Meteorological Observations ...................... 211, 218
Chart ............

.... 222
Milne, James, Esq., on the Cause and Nature of Galvanism .. 312

- on Gravitation ...................... 317
Microlite and Pyrochlore .....

348
Mordants, on the Preparation of the Aluminous.....
Möser, M., on New Facts in Photography ........

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48
....... 460

PAGE.

.......

.. 132

Mud of Rivers .......

Combinations ............ 464
Mullins, F. W., Esq., on Voltaic Combinations ....
Murion, M. Houzeau, on Gas from Soap Suds ............ 347

N.

Nasmyth, Mr., on the Stratification of Clouds ............ 214

- on the Fracture of Iron Axletrees .......... 453
Nasse, Professor, on the Composition of Blood and Bones .... 200
Nativelle, M., on the Preparation of Perchloric Acid........ 243
Nitrate of Silver traversed by Electric Currents ............ 34
Notices of New Books.............................. 63 247

0.

Organic Matter in the Surface of Soils................ 197 200
Osler, Mr. Follett, on the Vernier applicable to the Measure-
ment of Zinc..........

........ 216
Owen, Professor Dale, on the Geology of North America .... 130
Oxides of New Metals ....

......... 129 193
Oxygen Gas, a New Method of obtaining ...... ....... 245

P.

243

132

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71

Patents ........

......... 339 346
Pearson, Dr. George, on the Electro Decomposition of Water 496
Perchloric Acid, the Preparation of........
Phillips, Professor John, on Bellemnites ...
Photography, New Facts in..........
Photometer, a New one.. ............

324
Physiology of Animals and Plants
Playfair, Dr. Lyon, on New Metallic Oxides .......... 129 193
Plummer, Dr. J. T., on a Dangerous Property in Wood Ashes 332
Poggendorff, Professor, on Ferric Acid ... .......... 143
Polarization, Atmospheric ................

126
Eliptical .....................

126
— applied to Chemical Enquries................ 196
Porcelain, Prosser's Method of Making .................. 465
Powell, Professor Baden, on Polarization of Light ...... 126 196

PAGE.
Potassium, Cyanuret of ...

.......... 209
Preservation of Animal and Vegetable Substances .......... 100

R.

:

211

Richardson, Mr., on Magnesian Limestone......
Righieri, M., on the Preparation of Chloride of Zinc........ 256
Rogers, Professor, on the Appalachain Mountains .......... 79
Ronalds, Francis, Esq., on the Electric Column............ 305
Royal Society, Proceedings of................... ...... 147
Royal Medals, Award of .............

.. 150 152
Russel, J. Scott, Esq., on Waves ....... .............. 127
Ryan, Dr. J., on a New Theory of Daguerreotype.......... 53

257

348

Saponification, Theory of................. ......... 320
Savary, M., on Magnetism .......
Schaf haent), Dr. C., on a New Photometer .............. 324
Schöenbein, Professor, Experiments by ...... 35 38 78 411 468
Schwabe, Lewis, Esq., on Glass Spinning ....... .. 467
Scientific Memoirs ................

.. 125
· Scoresby, the Rev. Dr., on Permanent Magnets .....

Shepherd, Dr. C. Upham, on Microlite and Pyrochlore.
Singer, George J., on the Electric Column................
Sonberian, M., on the Preparation of Calomel ............ 146
Spade Husbandry ......

..... 101
Spectrum, the Solar .............................. 204 216
Starke, Dr. James, on Glaciers ............... ........ 100
Sturgeon, William, on the Electro Ignition of Gunpowder ..14 19

Letter to Professor Silliman ............ 64
- Description of a Thunder Storm ........ 167

on the Aurora Borealis................ 529
on Electro Pulsations ................ 532

on the Essentials for Maintaining Voltaic
Battery Action ................................ 540
Sugar, on the Adulteration of ....

........................ 335
Sulphuric Acid, Manufacture of ......
Sykes, Colonel, on the Meteorology of Coorg .............. 222

79

T.

PAGE.

216

Time, Proposed Subdivision of, by the Venier ............
Telescope, Improvement of ......

201
Thunder Gusts, Hypothesis of ...........

484
- Storm at Bristol ........

336
- Storm ......

167
- Curious Clouds during ...

527
Showers and Parhelia ..............

294

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Ventilation of Dwelling Houses, &c. ......... ........... 109
Vignolles, Professor, on the Fracture of Iron Axletrees...... 109
- on Concrete and Cement ............

466
Voltaic Circles .......
Pile of Plate Iron ..........

138

.......

78

W.

Waves, Theory of............

...... 127
Wood Ashes, a Dangerous Property of .... ....... 332
Wears on Rivers, Self-acting .......................... 108
Whewell, Professor, his Address on leaving the Chair, as Pre-

sident of the British Association .................. 112
Wöhler, M., on an Iron Voltaic Battery..

138
Wollaston, Dr. W. Hyde, on the Electro Decomposition of
Water .......

......... 518

Z.

Zinc, the Atomic Weight of....

................ 256

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