other similar Facts. In a Letter from Mr. Anthony Carlisle, 

 Surgeon, to John Symmons, Esq. F. R. S. p. g& 



VII. Outlines of Experiments and Inquiries respecting Sound and 

 Light. By Thomas Young, M. D. F. R. S. In a Letter to 

 Edward Whitaker Gray, M. D. Sec. R. S. p. 106 



VIII. Observations on the Lfflects which take place from the De- 

 struction of the Membrana Tympani of the Ear. By Mr. Astley 

 Cooper. In a Letter to Everard Home, Esq. F. R. S. by 

 whom some Remarks are added. p. 151 



IX. Experiments and Observations on the Light which is spon- 

 taneously emitted, with some Degree of Permanency, from 

 various Bodies. By Nathaniel Hulme, M.D. F.R.S. and 

 A.S. p. 161 



X. Account of a Series of Experiments, undertaken with the View 

 of decomposing the Muriatic Acid. By Mr. William Henry. 

 Communicated by the Right Hon. Sir Joseph Banks, Bart. 

 P.R.S. p. 188 



XI. On a new fulminating Mercury. By Edward Howard, Esq. 

 F. R. S. p. 204, 



APPENDIX. 



Meteorological Journal kept at the Apartments of the Royal 

 Society, by Order of the President and Council. 



