Page:Proceedings of the Royal Society of London Vol 2.djvu/29

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On the Corrections in the Elements of Delambre's Solar Tables required by the Observations made at the Royal Observatory, Greenwich. By George Biddell Airy, Esq. M.A. page 328
Experiments to determine the Difference in the Length of the Seconds Pendulum in London and in Paris. By Captain Edward Sabine, Sec. R.S. 329
On the Measurement of High Temperatures. By James Prinsep, Esq. 331
On Captain Parry's and Lieutenant Foster's Experiments on the Velocity of Sound. By Dr. Gerard Moll 332
An Account of a Series of Experiments made with a view to the Construction of an achromatic Telescope with a fluid concave Lens, instead of the usual Lens of Flint Glass. By Peter Barlow, Esq. F.R.S. &c. 333
A Catalogue of Nebulae and clusters of Stars in the Southern Hemisphere, observed at Paramatta in New South Wales. By James Dunlop, Esq. 334
An Account of Trigonometrical Operations in the Years 1821, 1822, and 1823, for determining the Difference of Longitude between the Royal Observatories of Paris and Greenwich. By Captain Henry Kater, V.P.R.S. 335
On the Phenomena of Volcanoes. By Sir Humphry Davy, Bart. F.R.S. 338
Abstract of a Meteorological Journal kept at Benares during the Years 1824, 1825, and 1826. By James Prinsep, Esq. 340
A Description of a vertical floating Collimator; and an Account of its application to Astronomical Observations with a Circle and with a zenith Telescope. By Captain Henry Kater, V.P.R.S. 340
On the Height of the Aurora Borealis above the surface of the Earth; particularly one seen on the 29th of March, 1826. By John Daiton, F.R.S. 342
A Comparison of the Changes of Magnetic Intensity throughout the Day in the Dipping and Horizontal Needles, at Treurenburgh Bay in Spitsbergen. By Captain Henry Foster, R.N. F.R.S. 344
Experiments relative to the Effect of Temperature on the refractive Index and dispersive Power of Expansible Fluids, and on the Influence of these Changes in a Telescope with a fluid Lens. By Peter Barlow, Esq. F.R.S. &c. 345
On some Circumstances relating to the Economy of Bees. By Thomas Andrew Knight, Esq. F.R.S. 346
On the Laws of the Deviation of Magnetized Needles towards Iron. By Samuel Hunter Christie, Esq. M.A. F.R.S. &c. 347
Description of a Sounding Board in Attercliffe Church, invented by the Rev. John Blackburn 349
On the mutual Action of Sulphuric Acid and Alcohol, and on the Nature of the Process by which Ether is formed. By Henry Hennell, Esq. 350
Experiments and Observations on Electric Conduction. By William Ritchie, A.M. F.R.S. 350
On Magnetic Influence in the Solar Rays. By Samuel Hunter Christie, Esq. M.A. F.R.S. &c. 351