CONTENTS. iii 



2. Additions made to South European and 



Trans-European Geology, by Boblaye, Vir- 



let, Strickland, Malcolnison, M'Clelland, 



Darwin, &c, . . I54 



4. Geological Dynamics as illustrated by the observations 



and speculations of Darwin, Fox, Hopkins, Babbage, 



and Sir John Herschel, . . . 158 



XIII. Result of the Examination of the Sea- Water col- 



lected during the Voyage of La Bonite, by means 

 of the apparatus of M. Blot. By M. Daron- 

 DEAU, . • . . 164 



XIV. Observations on the Electric Origin of Metallife- 



rous Veins. By M. Becquerel, . .167 



XV. Geographical and Geological Observations on some 

 parts of European Turkey, namely Maesia, Bul- 

 garia, Romelia, Albania, and Bosnia. By Dr A. 

 Boue'. Communicated by the Author in a Letter 

 to the Editor, . . .174 



XVI. On the Lamination of Clay by Electricity. By R. 



W. Fox, Esq. F.G.S., &c., . . 196 



XVI L Proceedings of the Wernerian Natural History So- 

 ciety. (Continued from vol. xxiv p. 428), . 198 



XVIII. Proceedings of the Botanical Society of Edinburgh, 199 

 XIX. Scientific Intelligence, . . 202 



GEOLOGY. 



1. Subterranean Heat, . . . 202 



2. Subterranean Temperatures, . . 202 



3. Temperature of the Earth, . . 204 



4. Extract of a Letter from M. Erman junior to M. Arago, 



upon the Temperature of the Ground in Siberia, 204 



5. Metaraorphic Rocks, . . . 206 



6. Formation of Serpentine, . . 206 



7. Beryl of Aberdeenshire, . . " 206 



8. Reopening of the Manganese Mine at Grandholm, near 



Aberdeen, . 207 



9. On the Formation of Calcareous Spar and Arragonite, 207 



10. Fall of Meteoric Stones in Brazil, 208 



11. Intermittent Spring, 208 



