CONTENTS. 



LI. B'mgraph'ical Account of the late Dr. FuLTENET. 'By 

 J. AiKiN, M.D. - Page 389 



LH. Analy/is of the Arfeniates of Copper and of Iron. By 

 Richard Chenevix, Ejq. F.R.S. M.R.I.A. 302 



Lilt Communications on the SuhjeH of Navigation^ Jrom 

 John Cooke, Efq. M.R.J. A. - ' " 311 



LIV. On the Nature of Heat. By a Corrcfpondent 317 



L.V. On the different Proportions of Carbon which confiitute 

 the various Qiiaiities of Crude Iron and Steel. By David 

 MusHET, Efq. of the Calder Iron IVorks - 322 



LVI, On the Fate and Character of the Monk Roger 

 Bacon. By Gcvemor Pownall. Read before the 

 Literary and Philofophical Society, Bath - 327 



LVI I. Obfervations which feem to prove the Neceffity of oh- 

 ferving and meditating a long 'lime before any decifive Opi- 

 ■D^.ov js formed in Philofophy in general, and particularly in 

 f^^ard to the Caufe of Earthquakes. By CouREJOLLES 



337 



LVIII. Obfervations on an Optical Pheenomenon produced by 



Moon-light in the Vapours of the Atmofphere. By Profffor 



Wrede _ _ _ 346 



LIX. '^Note upon a peculiar Vegetable Principle cojitained 



hi Coffee. By Richard Chenevix, Efq. F.R.S. 



M. R.LA. - - - 350 



LX. Biographical Account 0/" Joseph de Beauchamp, 



the\AJiron<)mer. £;/ De Lalande - 353 



LXT. Notices refpeEling New Books - 356 



LXII. Proceedings of Learned Societies - 360 



LXIII. Intelligence and Mtfcellaneous Articles - 371 



THE 



