IV 



CONTENTS. 



XXVIII. Proceedings of the Royal Society of Edinburgh, - 



1. On the Colours of Natural Bodies. By Sir David 



Brewster, V. P. R. S., Ed., - 



2. Notice respecting the Determination of the Geo- 



graphical Positions of the Village of Chamouni, 

 and of the Convent of the Grand St. Bernard. 

 By James D. Forbes, Esq. F. R. SS.L. & Ed., 



3. Researches on the Conducting Power of the Metals 



for Heat and Electricity, tending to establish a 

 new Analogy between these principles. By James 

 D. Forbes, Esq. F.R,SS. L. & Ed., 



4. On the Super-Sulphuretted Lead of Dufton. By 



J. F. W. Johnston, Esq. A. M. F.R.S.E., 



5. Dr Knox on the Natural History of the Salmon, 



6. Account of some Optical Phenomena observed 



upon the Rigi, on the l6th October 1832. By 

 James D. Forbes, Esq. F.R.SS.L.&Ed., 



7. An attempt to illustrate the Remaining monu- 



ments of the Ancient Etruscan Language. By 

 the Rev. John Williams, A.M. F. R.S.Ed., 



8. On the Gradual Elevation of Land in High Nor- 



thern Latitudes. By J. F. W. Johnston, Esq. 

 F.R.S.Ed. - - - - 



XXIX. Proceedings of the Society for the Encouragement of 



the Useful Arts in Scotland, - - _ 



XXX. List of Patents granted in Scotland from 8th January 

 to 13th March 1833, - - - - 



Page 

 394 



39^ 



395 



396' 



397 

 ib. 



400 



401 



ib. 



402 



404 



ERRATA. 

 Page 314. lines 3 and 4, for — 2 recid — 4 



