CONTENTS. 



XXXVll. Proceedings of Learned Societies .. .. 182 



XXXVI H. Intelliirence and Miscellaneous Articles . . 187 



XXXIX. Examination of different Processes for obtaining 



the Separation of Nickel from Cobalt. By Christian 



Fkedekic Bucholz 193 



XL. An experimental Inqtdry into ike Nature of Gravelly 



and Calculous Concretions in the Human Subject; and tlie 



Effects of Alkaline and Add Substances on them, in and 



outoftheBodi/. Bi/ThomasEgas, M.D.M.R.LA. 199 



Xl.!. ^Taeniyffth Commmiication from. Dr. Thornton, 



relative to Pneumatic Medicine 212 



XLII. On a neiv Metal recently discovered by M. Troms- 



DORFF 



213 



XLII I. On mvscular Motion. % Anthony Carlisle, 

 R<q. F.R.S.: being the Croonian Lecture. Read before 

 the Royal Society November 8, )804 217 



XLIV. h formation on the Mines and Manufactures of the 

 East Indies, and other Subjects. By J. Machlachlan, 

 Esq. rf Calcutta 527 



XLV. On the Direction and Velocity of the Motion of the 

 Sun and Solar Si/stem. By William Herschel, 

 LL.D.F.R.S 230 



XLVL Life o/JoHN Bkvis, M. D. F. R. S. &c. Com- 

 wirnicated by Mr. T. S. Evans, of the Royal Military 

 Academy y JVoolivich 247 



XLVIT. On the magnetic Attraction of Oxides of Iron. 

 By Timothy Lane, Esq. F.R.S 233 



XLVHI. Extract from aJ\Umoir of Messrs. Fovrckoy 

 and Vauguklin upon the Discovery rf a new inflam- 

 mable and detonating Suhsf-jwe formed by the Action of 

 Nitric Acid on Lidigo cmd Animal Matters. By A. Lau- 



GIER ^^^ 



XLIX. Third Communication from Mr. W. Peel, of 

 Cambridge. On the Production of Muriates by the 

 Galvanic and Electric Decomposition of IVater . . 257 



L. Experiments on Gum Arabic and Oum Adraganth. By 

 M. VAUaUELIN 259 



LT. A Proposal for destroying the Fire- and Chonk-Da^nps 

 of Coal Mines; and their Production explained on the 

 Principles of modim Chemistry : addressed to the Owners 

 and Agents of Coal Works, &'c 26 1 



LII. Letter of M. Gay-Lussac to M. Berthollet, on 

 the Presence of Fluoric Acid in Animal Substances 2C4 



LI 1 1. Proceedings of Learned Societies 2Ca 



JAW Intellii^ence and Miscellaneous Articles .. .. 282 



LV. Abstract of Observations on a diurnal Variation of tho 

 Barometer betaeen the Tropics. By J. HoRSB u rgh, Es(f. 

 In a Letter to Henry Cavendish, Es^. F.R.S. 2b9 



