NUMBER LXXIV.-FEBRUARY.

Short Account of the Scientific Writings of Dr. Ingenhousz. By Thomas

Thomson, M.D. F.R.S.

On the History of Anthrazothionic Acid. By Theodore von Grotthuss

(concluded)

.......

On the Sulphuretted Chyazic Acid of Porrett. By M. Vogel.

On the Discovery of Cadmium, and the Analysis of a new Mineral. By

Prof. Stromeyer.

On the Measure of Temperatures, and on the Laws of the Communication

of Heat. By MM. Dulong and Petit.

Defence of Dr. Murray's new Theory of Acids. By Dr. Murray.

On Mineral Species, in Reply to Dr. Wollaston. By M. Beudant

Meteorological Journal made at Cork. By T. Holt, Esq.

On the Formation of the Rainbow. By Dr. Watt.

Page

81

89

101.

108

....

112

125

126

130

131

Critical and Analytical Account of the Memoirs of the Wernerian Natural

History Society. Vol. II. Part II. For the Years 1814, 1815, 1816

(concluded).

Proceedings of the Royal Society, Nov. 30, and Jan. 14.

Geological Society, Nov. 6, and Dec. 4....

Society for the Encouragement of Arts, Manufactures,

and Commerce......

133

140

141.

142

Subterranean Noises....

Mineralogy in America

Method of determining the Specific Gravity of the Gases.

Sulphate of Strontian

Scientific Expedition in America.

143

144

..ibid.

...ibid.

145

On the Tree called Lignum Rhodium in Pococke's Travels. By Sir James

Edward Smith, M.D. Pres. L.S.....

148

Power of the Sarracenia Adunca to entrap Insects. By Dr. J. M'Bride. 149

British Species of Roses.....

150

Effect of Common Salt on the Solubility of Nitre in Water..

Col. Beaufoy's Astronomical, Magnetical, and Meteorological Observa-

tions, for December....

156

Mr. Howard's Meteorological Journal, Dec. 21 to Jan. 18.

159

NUMBER LXXV.-MARCH.

On the Measure of Temperatures, and on the Laws of the Communica-

tion of Heat. By MM. Dulong and Petit (continued)

Page

On Oxymuriate of Lime. By Thomas Thomson, M.D. F.R.S......... 182

On the Reduction of Lunar Distances for finding the Longitude. By Dr.

Tiarks.......

Mathematical Problems. By James Adams, Esq..

.....

185

188

On the Maxima and Minima of Quantities. By Mr. Thomas Slee ...... 193

On the Influence of the Time of the Day upon Barometrical Measure-

ments. By M. Delcros.......

Experiments on the Strength of Cast-Iron Shafts in Machinery .......

197

200

208

On Capt. Cook's Account of the Tides in the Endeavour River .......... 203

Meteorological Journal kept at Penzance, for 1818. By Dr. Forbes.... 207

Critical and Analytical Account of the Philosophical Transactions of the

Royal Society of London, for 1818. Part II.

Proceedings of the Royal Society, Jan. 21, 28, Feb. 4, 11, and 18.... 218

Linnæan Society, Jan. 26, Feb. 2, and 16.................
....... 221

Geological Society, Dec. 18, and Jan. 1

Durham Coal Field......

..ibid.

223

Protoxide of Copper.

..ibid.

224

.....

Measurement of an Arc of the Meridian in India....

Fall of Stones from the Atmosphere.

Fusion of Platinum

Formation of the Vegetable Epidermis.

Method of procuring Meconic Acid..

225

227

228

...ibid.

229

..ibid.

230

Properties of Meconic Acid.

Register of the Weather at New Malton, in Yorkshire

...ibid.

Death of Prof. Luigi Brugnatelli..........

235

Col. Beaufoy's Magnetical and Meteorological Observations, for January. 236

Mr. Howard's Meteorological Journal, Jan. 19 to Feb. 16.

239

NUMBER LXXVI.-APRIL.

......

On the Measure of Temperatures, and on the Laws of the Communica-

tion of Heat. By MM. Dulong and Petit (continued)

On the Direction of the Radicle and Germen. By the Rev. Patrick Keith 252

On the Phenomena of Sanguification, and on the Blood in general. By

Dr. Prout (continued) ...

Origin of Steam-Boats, and Description of Stevenson's Dalswinton Steam-

Boat.

241

265

....

Experiments on Muriatic Acid Gas. By John Murray, M.D. F.R.S.E.

(concluded)...

279

285

On the Persulphates of Iron. By Mr. Cooper....

Page

.... 298

.... 300

Critical and Analytical Account of the Philosophical Transactions of the

Royal Society of London, for 1818. Part II. (concluded)

Proceedings of the Royal Society, Feb. 25, March 4, 11, and 18...... 305

Society for the Encouragement of Arts, Manufac-

......

....

.312

313

314

ibid.

315

316

State of the Barometer, Thermometer, and Magnetical Needle, at Trönyem

(Drontheim), in Norway, from 1762 to 1783, inclusive...

Berzelius's New Work on Mineralogy.-Sp. Gr. of Hydrogen.. ... 317

Col. Beaufoy's Magnetical and Meteorological Observations, for February. 318

NUMBER LXXVII.-MAY.

On the Measure of Temperatures, and on the Laws of the Communication

of Heat. By MM. Dulong and Petit (concluded).

On the Weight of a Cubic Inch of Distilled Water; and the Sp. Gr. of

Atmospheric Air. By E. W. M. Rice.

On Vestium. By Dr. Von Vest.

....

321

389

344

356

On Sulphuretted Chyazic Acid. By R. Porrett, Jun...............

New Demonstrations of the Binomial Theorem. By Mr. Herapath 364

Critical and Analytical Account of Recherches sur l'Identité des Forces

Chimiques et Electriques. Par Prof. Ersted . ...........

368

Proceedings of the Royal Society, April 1

377

Geological Society, Jan, 15, Feb. 19, and March 5.. 378

Gauze Veils suggested as Preventives of Contagion. By Mr. Bartlett.... 383

On the Lunar Atmosphere. By Mr. Emmett.

On Dew, and on the Temperature of the Sea. By Mr. J. Murray...... 385

On Galvanic Shocks. By Mr. John Woolrich......

386

Page

Notices communicated by C. Johnson, Esq.........

Temperature of the Interior of Cape Breton from Dec. 5, 1818, to April
24, 1814....

386

389

New Mode of administering Medical Electricity. By Mr. Gill......... 38g

On British Mathematical Periodical Works, with a Mathematical Query. 391

Death ofHornemann..

New Medical Society ..

On the Magnetic Needle. By Col. Beaufoy, F.R.S..

39

393

394

Col. Beaufoy's Magnetical and Meteorological Observations, for March.. 396

Mr. Howard's Meteorological Journal, Feb. 17 to March 18.

NUMBER LXXVIII.-JUNE.

399

401

Researches on a new Mineral Body found in the Sulphur extracted from

Pyrites at Fahlun. By J. Berzelius. ...

Observations on the measuring of the Angles of Crystals. By M. Haŭy. 413

Memoir on Cyanogen and Hydrocyanic Acid. By M. Vauquelin.

On Parhelia, &c. By Dr. Burney....

......

429

443

..... 447

Results of a Meteorological Journal kept at the Observatory of the Aca-

demy, Gosport, in 1818. By the same...........

Critical and Analytical Account of Recherches sur l'Identité des Forces

Chimiques et Electriques. Par Prof. Ersted (continued)...

Proceedings of the Linnæan Society, March 2, 16, April 6, and 20...... 463

Specific Heat of Fluids and Solids.

On the Discovery of Bipersulphate of Iron. By C. Sylvester, Esq..

Alloys of Platinum. By Mr. Fox................

New Principle in the Seeds of the Cytisus Laburnum

....... 450

.....

..ibid.

464

..ibid.

..ibid.

465

..ibid.

..ibid.

466

467

468

471

On Thermometrical Measurements of Heights, &c. By Mr. Murray ....ibid.

Meteorological Observations at Cork. By T. Holt, Esq..

Inquiry respecting a Meteoric Phenomenon described by Dr. Clarke.... 472

Notice of an Annular Eclipse in the Thirteenth Century. By the Rev.

James Yates, M.G.S....

475

Col. Beaufoy's Magnetical and Meteorological Observations, for April.. 476

Mr. Howard's Meteorological Journal, March 19 to April 16 .......... 479

Index......

481

PLATES IN VOL. XIII.

Plate

LXXXVIII. Goring's Improved Microscope.

LXXXIX. Dulong and Petit on the Measure of Temperatures.....

XC. State of the Thermometer, Barometer, and Wind, at Cork,
July, August, and September, 1818 ...

Page

52

176

130

XCI. Plaus and Sections of Stevenson's Dalswinton Steam-Boat. 282
XCII. Haûy on the Angles of Crystals.

415

XCIII. State of the Thermometer, Barometer, and Wind, at Cork,
October, November, December....

471