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| account of some Experiments made in order to test the relation of electrical and chemical action which takes place before and after completion of the Voltaic Circuit. By John P. Gassiot, Esq. F.R.S , page | 500 |
| Some further Observations and Experiments illustrative of the Cause of the Ascent and continued Motion of the Sap, in continuation of a Paper presented to the Royal Society in November 1842. By G. Rainey, Esq | 502 |
| On the Temperature of the Springs, Wells and Rivers of India and Egypt, and of the Sea and Table Lands within the Tropics ; with a few Remarks on M. Boussingault's mode of ascertaining the mean temperature of Equinoctial Regions. Bv Lieut. Xewbold, of the Madras Arm, F.R.S T. | 502 |
| On the Electrolysis of Secondary Compounds. By John Frederic Daniell, Esq. D.C.L. For. Sec. R.S., and Professor of Chemistry in King's College, London ; and W. A. Miller, M.D., Demonstrator of Chemistry in the same College | 504 |
| A description of certain Belemnites, preserved with a great proportion of their soft parts, in the Oxford clay at Christian Malford, Wilts. By Richard Owen, Esq. F.R.S. &c., Hunterian Professor of Anatomy and Physiology in the Royal College of Surgeons | 505 |
| Note in addition to Mr. Gassiot's paper on the 'Water Battery* | 507 |
| On the production of Ozone by Chemical Means. By Professor Schoenbein, in a letter to Michael Faraday, Esq. D.C.L. F.R.S. | 507 |
| Contributions to Terrestrial Magnetism. — No. VL Bv Lieut. -Colonel Sabine, R,A. F.R.S ' | 507 |
| On the production of Ozone by Chemical JNIeans. By C. F. Schoenbein, Professor of Chemistry at Basle, in a second letter to Michael Faraday, Esq. D.C.L. F.R.S | 508 |
| On the existence of Phosphoric Acid in Rocks of igneous origin. By George Fownes, Esq. Ph.D., Chemical Lecturer in the Middlesex Hospital Medical School | 508 |
| Ranges of the Barometer and Sympiesometer on board H.M.S. 'Alfred,' in the River Plate, between the 1st of July and the 31st of December, 1843 | 509 |
| Remarks on the amalgamation of Silver Ores in Mexico ; with an account of some new combinations of Copper, Oxygen and Chlorine. By John Christian Bowring, Esq | 509 |
| Experimental evidence in support of the secretion of Carbon by animals. By Robert Rigg, Esq. F.R.S . | 509 |
| On the Hyssop of Scripture. By J. F. Royle, M D. F.R.S. &c | 510 |
| On the Measurement of Distances by the Telescope. By Edmund Bowman, Esq. C.E | 510 |
| An Account of some Experiments exhibiting new instances of the Absorbing Power of Streams ; with a few remarks on the Pulsation of Jets. By Mr. G. Robinson | 510 |
| Meteorological Register kept at the Master-Attendant's OfBce, Trincomalee, between the 1st of September, 1843, and the 29th of February, 1844. By Joseph Higgs, Master Attendant | 511 |
