a CONTENTS. 



VII. On the Prevention of Smoke and Economy of Fuel 

 by the use of Steam, in the Patent Process of 

 Ivison. By Andrew Fyfe, M.D., F.R.S.E., 

 F.R.S.S. A. Communicated by the Royal Scot- 

 tish Society of Arts, 31 



VIII. On producing- the effect of Fog in a Portable Dio- 

 rama, constructed by George Tait, Esq. Advo- 

 cate. Communicated by the Royal Scottish So- 

 ciety of Arts 64 



IX. On British Fossil Reptiles. By Professor Owen, 65 



X. On the Influence of Mountains on Temperature in 

 the Winter in certain parts of the Northern He- 

 misphere. By Mr Hopkins, 88 



XI. Report on the Bude Light. By Andrew Ure, 



M.D., F.R.S., 91 



Xir. Remarks on the Climate of Eg-ypt. By M. Joseph 



RussEGGER, Austrian Councillor of Mines, . 93 



XIII. Essay on the Glaciers and the Erratic Formation 

 of the Basin of the Rhone. By Jean de Char- 

 PENTIER, 104 



XIV. On the Glacial Theory. By Roderick Impey 

 MuRCHisoN, Esq., President of the Geological 

 Society, &c., .124 



XV. Description and Uses of his Protracting- Table. By 

 George Buchanan, Esq., F.R.S.E., F.R.S.S.A., 

 Civil Engineer, Edinburgh, with a Plate. Com- 

 municated by the Royal Scottish Society of Arts, 140 



XVI. General View of the Geological Structure of the 

 Alps. By M. Studer of Berne. (With a Sec- 

 tion), 144 



Physiognomy of the Surface, 144 



Mica- slate, Gneiss, Granite, &c., .... 146 



Flysch, &c., ......... 147 



Limestone and Slate, 149 



Mixed Formation, 1 52 



Limestone of the High Alps and Black-Slate, . .152 



Chalk Series, I53 



Alpine Macigno, • 154 



Sccven Limestone, . , . . . ' . .155 



