CONTENTS. ^ 



Pago 

 XIV. On the Geological Structure of the Northern and 

 Central Regions of Russia in Europe. By Ro- 

 derick Impey Murchison, F.R.S., M.R.I.A., 

 President of the Geological Society of London, 

 &c., and E. de Verneuil, Vice-President de la 

 Societe Geologique de France, . . 129 



XV. On the Artesian Well of Grenelle. By M. Wal- 



FERDIN, .... 140 



XVI. Section of the Bore of the Artesian Well of 

 Grenelle, with explanatory notes. By Sir John 

 RoBisoN, K.H., F.R.S.E., &c., . . 141 



XVII. Fossil Fish in the Collections of the Earl of 

 Enniskillen and Sir Phillib Grey Egerton, 

 Bart., . . . . . 144 



XVIII. Mean Results of the Thermometer, and the Quan- 

 tity of Rain, for 1840, af Alford, about Lat. 57° 

 13' N., 420 feet above the level of the Sea, and 

 26 miles inland from the Sea at Aberdeen. By 

 the Rev. James Farquharson, LL.D., F.R.S. 

 Communicated by the Author, . . 149 



XIX. Abstract of Mean Results from a Register of the 

 Thermometer, Barometer, and state of the Wea- 

 ther, kept at Ancaster, Upper Canada, seven 

 miles from the Western extremity of Lake On- 

 tario, and about 500 feet above its level. By 

 William Craigie, Esq., Surgeon. Communi- 

 cated by the Author, . . 152 



XX. On the Fossil Trees found on the Line of the Bol- , 

 ton Railway, at Dixon Fold, near Manchester; 

 and the light they throw on several points still 

 undecided among Geologists. By J. E. Bow- 

 man, F.L.S., and F.G.S. Communicated by the 

 Author, . . . . . 145 



XXI. Remarks on the Origin, Structure, and Life of the 



Human Hair. By Dr Bidder of Dorpat, 165 



XXII. Tabular View of an Arrangement of Minerals, 



founded upon Physical and Chemical Characters, 174 



