CONTENTS. 



GEOLOGY. 



Gas Springs iu the River Wear, county of Durham. 

 7. Kenawha Gas. 8. Geological Survey of Canada. 

 9. On the known Thickness of the Crust of the 

 Earth. 10. Supposed Volcanic Eruption. 11. Sy- 

 nopsis of the Carhoniferous Koeks of Pictou, Nova 

 Scotia, ..... 



395 



XXVIII. New Publications Received, ... 401 



XXIX. List of Patents granted for Scotland, from 12th 



June to 22d September 1845, . . 405 



Index, 409 



TO CORRESPONDENTS. 



Dr J. Davy's Paper not yet returned from London. 



ERRATUM. 



Plate II., should be Plate III. 



