CONTENTS. 



On the Colours of Natural Bodies. By Sir David Brewster, 

 V.P., R.S.E., Page 3 



Notice respecting the Determination of the Geographical positions 

 of the Village of Chamounij and of the Convent of the Grand St. 

 Bernard. By James D. Forbes, Esq., F.R.SS. L. & E., . i 



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. & E., . 5 



On the Super-Sulphuretted Lead of Dufton. By J. F. W. John- 

 ston, Esq., A.M., F.R.S.E., ..... 7 



On the Natural History of the Salmon. By Robert Knox, M.D., 

 F.R.SE.. 7 



Account of some Optical Phenomena observed upon the Rigi, on the 

 16th October 1S32. By James D. Forbes, Esq., F.R.SS. L. & E., 10 



Notice respecting the application of Heated Air to Blast Furnaces. 

 By Robert Bald, Esq., . . . . , 11 



An Attempt to illustrate the remaining monuments of the Ancient 

 Etruscan Language. By the Rev. John "Williams, A.M., F.R.S.E., 12 



On the Gradual Elevation of Land in High Northern Latitudes. 

 By J. F. W. Johnston, Esq., A.M., F.R.S.E., . . 12 



Observations on the Anatomy of the Rorqual (a* whalebone "Whale 

 of the largest magnitude), drawn up from the dissection of a 

 specimen found dead off North Berwick, By Robert Knox, 

 M.D., F.R.S.E., U 



Observations on the Structure of the Foot of the Horse. By Ro- 

 bert Knox, M.D., F.R.S.E., ..... 15 



Experimental Researches regarding certain vibrations which take 

 place between Metallic masses having different Temperatures. 

 By James D. Forbes, Esq., F.R.SS.L. & E., . . .17 



On the Equations of Loci traced upon the surface of the sphere, as 

 expressed by spherical co-ordinates. By T. S. Davies, Esq., 

 F.R.S.E., 19 



Experiments and Observations on tlie Arterialization of the Blood. 

 By "William Gregory, M.D., F.R.S.E., and "W. J. Irvine, Esq., 20 



Observations on the Lines of the Solar Spectrum, and on those pro- 

 duced by the Earth's Atmosphere, and by the action of Nitrous 

 Acid Gas. By Sir David Brewster, LL.D., F.R.S., . . 21 



Notice relative to the Pigmentum Nigrum of the Eye. By Thomas 

 ^^^la^ton Jones, Esq., ...... 24 



VOL. I. 6 



