Page:Proceedings of the Royal Society of London Vol 4.djvu/12

Rh rent new Polarity in Light.’ By George B. Airy, Esq. M.A. F.R.S.

Astronomer Royal page 247

Description of a Percussion Shell to explode at the bottome the Sea. By Captain J. Norton Memorandum addressed to the Royal Societ By T. Wharton Jones,

Description of the Electro—magne F.R.S.  .....  ....... ..

A Memorandum, addressed to the R0 Society, November 28th. 1840. By Martin Barry, M.D. F.R.S. L. and Ed. ..........

Supplementary Note to a Paper, entitled ‘ Researches in Embryology. Third Series. A Contribution to the Physiology of Cells.’ By Martin Barry, M.D. F.R.S. L. and Ed. ..........

Present state of the Diamond Mines of Golconda. By T. J. Newbold, Esq. of the Madras Army, A.D.C. to Major-General Wilson, K.B.

Magnetic—term Observations made at Milan. By Professor Carlini, Director of the Observatory at that place: also Magnetic-term Observations made at Prague. By Professor Kreil, Director of the Observatory at that place ....... ......................

On the Production of Heat by Voltaic Electricity By J. P. Joule,

184-1. Variation of the Magnetic Declination, Horizontal Intensity, and In— clination observed at Milan on the 23rd and 24th December 1840... On the Chorda dorsalis. By Martin Barry, M.D. F.R.SS. L. and E..

On the Corpuscles of the Bloods—Part III. By Martin Barry. M.D. F.R.SS. L. and E. . ..

On the action of certain Inorganic Compounds when Introduced di- rectly into the Blood. By James Blake, Esq. M.R.C.S.

On some Electra-Nitrogurets. By William Robert Grove, Esq. MA.

. Cloc By C. VVheatstone, Esq.

F.R.S. ..... ..............................  .....  ....... Contributions to Terrestrial Magnetism.—No. 2. By Major Edward Sabine, B.A. V.P.R.S. ...........

On the Calculation of Attractions, and the Figure of the Earth. B C. J. Hargreave, B.A. of University College Memoir on a portion of the Lower Jaw of an Iguanodon, and other Saurian Remains discovered in the strata of Tilgate Forest, in Sussex. By Gideon Algernon Mantell, Esq. LL.D. F.R.S. .. .. On a Theorem of Fermat. By Sir John William Lubbock, Bart. V.P. and Treas. ..... ..

Miscellaneous Observations on the Torpedo. By John Davy, M.D.

F.R.S. ...................... ..........

On a remarkable pro e of the Diamond. By Sir David Brewster, K.H. D.C.L. F.R.S.L. V.P.R.S_ Ed. .................................. ..

On a Cycle of Eighteen Years in the Mean Annual Height of the Barometer in the Climate of London; and on a Constant Variation of the Barometrical Mean, according to the Moon’s Declination.

By Luke Howard, Esq. F.R.S..............................................