CONTENTS. ill 



PAOB 



XIII. On the Colour of the Water of Glaciers. By M. Ed. 



COLLOMB, 337 



XIV. On the Parallel Roads of Lochaber, with Remarks on 



the Change of Relative Levels of Sea and Land in 

 Scotland. By David Milne, Esq., F.R.SE., 

 Member of the Wernerian Natural History So- 

 ciety; of the Geological Society of London, &c. 

 &c., 339 



XV. Remarks on the Trade- Winds and other Currents in 

 the Atmosphere, at Barbadoes ; with an Attempt 

 to Develop the Causes of Hurricanes in the West 

 Indies. By Robert Lawson, Assistant- Surgeon, 

 47th Regiment. Communicated by the Royal 

 Scottish Society of Arts. (Continued from Vol. 

 xxxix., p. 164.) 



Part II. — The Causes of Hurricanes, . , -364 



XVI. On the Beneficent Distribution of the Sense of Pain. 

 By G. A. RowELL. Communicated by the 

 Author, 385 



XVII. Scientific Intelligence : — 



GEOLOGY. 



1. On the Accessory Elements of Pyrogenous Rocks, by 

 M. J. Durocher, 2. Baron Von Buch on Glaciers. 

 3. Mark cut on a rock cliff at the mean level of the 

 Sea, with the view of determining the Secular Varia- 

 tion of the relative level of the Sea and Land. 4. Ac- 

 tive Volcanoes in the Arctic and Antarctic re- 



S^®°^' • • • . • . 396-398 



METEOROLOGY. 



5. Atmospheric Pressure under Different Latitudes. 

 6. Height of the plane of Vapour in tjie Atmo- 

 sphere, and different directions of superincumbent 

 Streams of Air. 7. Imaginary Land. 8. Mild Win- 

 ters in England, .... 399.40I 



