CONTENTS. lu 



By Mr. Humphry Davy, Le5lurer on Chemijlrj in il:>e 

 Royal Iiiftitution _ _ _ goj 



XXXVI. Exper'unents on the Che7nlcal Prodiiclmn and Agency 

 of Ele6tricity. By William Hvde Wollastov, 

 M. D. F. R.S. - - - ao5 



XXXVII. On the Brefenfat'ion ivhich Animals have fif 

 Changes in the Weather. By Dr. F. A. A. Meyer, at 

 G'Jttingen - - ' - 211 



XXXVIII. Account of a Journey from the Fortrefs of ^ever~ 

 naja, at the northern Foot of Mount Caucafus, to Choy in 

 Pefia ; with a Defcription of Teflis^ the Capital of Georgia. 

 By P. F. Engelman - - 317 



XXXIX. Account of the Procefs employed in making Chefl/ire 

 Cheefe - ~ - - 230 



XE. On the Antiquity and Invention of Fire Engines. By 

 ProfeJ/or Beckmann - - 23S 



XLI. Defcription of a new EleBromctcr. By Henry 

 Laws ON, Efq. - - - 251 



XLII. Defcription of an improved Che?mcal Apparatus for 

 preferving J'eparate the Gafecus Products evolved in viany 

 Proceffes ; by which alfo ylbforption is co??ipletely prevente-d, 

 and Liquids 7nay befrongly impregnated ivitb the difftrent 

 Gafes. jB>' W. H. Pepys ;M/i. Efq. - 1^3 



XLIII. Life 0/" Joseph Toaldo, Profeffor of AJironomy 

 and Meteorology at Padua - - 257 



XLIV. Account of the Difcovery of Coal at the Cape of Good 

 Hope _ _ _ _ aSr 



XLV. Notices refpeSling New Bools - 263 



XLVl. Proceedings of Learnetl and Economical Societies 26S 



XLVII. Intelligence and Mifcellaneous Articies - 283 



XLV^III. Remarks upon feveral Experiments made to prove 

 the Converfion of Iron into Steel by means of the Diamond. 

 By David Musket, Efq. of the Colder Iron JVorks 



289 



XLIX. The f me Methods of Reafoning common to Mathe- 

 matics and to Natural Hijlory and other Bratiches of 

 Phyfics. By Mr. R, Heron - - 294 



L. Report given in to the Clefs of the Mathematical and 

 Phyjical Sciences of the French National Injlitute on the 

 Experiments of l^otta, made the 2d of December 1800 301 



LI. Thoughts on the fuppofid Variations in the Axis and Poles 

 of the Earth. By Prof e/Jor BoDE, of Berlin - 310 



Lll. Obfervafions on the Manner in which the Spider (Ara- 

 nca Diadcnia) 7^i«^ its Ifeb. By M. C. G. Lehmann 



320 

 LIII. Out. 



