Xlll 



An Account of some Experiments to measure the Velocity of Elec- 

 tricity, and the Duration of Electric Light. By Charles Wheatstone, 

 Esq. Professor of Experimental Philosophy in King's College, Lon- 

 don page 299 



On the Determination of the Terms in the disturbing Function of the 

 fourth Order, as regards the Eccentricities and Inclinations which 

 give rise to secular inequalities. By J. W. Lubbock, Esq. V.P. 

 and Treas. R.S 301 



Note on the Astronomical Refractions. By James Ivory, Esq. K.H. 

 M.A. F.R.S 301 



Meteorological Journal kept at the Royal Observatory, Cape of Good 

 Hope, from the 1st of February to the 31st of May, 1834. By 

 Thomas Maclear, Esq 302 



On the Proofs of a gradual Rising of the Land in certain parts of Swe- 

 den. By Charles Lyell, Esq. F.R.S 302 



1835. 



Second Essay on a general Method in Dynamics. By William Rowan 

 Hamilton, Esq. Andrew's Professor of Astronomy in the Univer- 

 sity of Dublin, and Royal Astronomer of Ireland 315 



An Account of the Eruption of Mount Etna in the year 1536, from an 

 original cotemporary document, communicated in a letter to J. G. 

 Children, Esq. Secretary of the Royal Society. By Sir Francis 

 Palgrave, K.G.H. F.R.S 316 



On the Electrical Relations of Metals and Metalliferous Minerals. By 

 R. W. Fox, Esq 317 



On the Circulation of the Blood in Insects. By Jojm Tyrrell, Esq. 

 A.M 317 



Notes on the Temperature of the Air and the Sea, &c, made in a 

 Voyage from England to India, in the Ship Hoogly, Capt. Reeves, 

 in the year 1833. By Alexander Burnes, Esq. F.R.S 317 



Remarks on certain Statements of Mr.Faraday, contained in the Fourth 

 and Fifth Series of his Experimental Researches in Electricity. By 

 John Davy, M.D. F.R.S 318 



Experimental Researches in Electricity. Ninth Series. By Michael 

 Faraday, Esq. D.C.L. F.R.S 318 



Geometrical Researches concerning Terrestrial Magnetism. By 

 Thomas Stephens Davies, Esq. F.R.S. &c 319 



On certain Peculiarities in the double Refraction and Absorption of 

 Light, exhibited in the Oxalate of Chromium and Potash. By Sir 

 David Brewster, K.H. L.L.D. F.R.S 322 



On the probable Position of the South Magnetic Pole. By Edward 

 Rudge, Esq., F.R.S., &c 323 



An Experimental Inquiry into the Cause of the grave and acute Tones 

 of the Human Voice. By John Bishop, Esq 323 



A new Method of discovering the Equations of Caustics. By G. H. 



S. Johnson, M.A. Tutor of Queen's College, Oxford 324 



Discovery of the Metamorphoses in the second Type of the Cirripedes, 

 viz. the Lepades. completing the Natural History of these singular 



