11 CONTENTS. 



PAGE 



VIII. On the Ancient Extent of the Glaciers of Chamonix, 

 from Mount Blanc to the Jura. By M. Ch. 

 Martins, 54 



1. Of existing Glaciers, . . . . '57 



2. Rocks polished and striated by existing Glaciers, . 62 



3. Moraines and Erratic Blocks of existing Glaciers, . 64 



4. Pebbles striated by existing Glaciers, . . QQ 



5. Of the ancient Extension of the Glaciers of Mont Blanc 



from Chamonix to Geneva, . . -69 



6. Of the Climate of the Glacial epoch, . .82 



IX. On the Colour of the Ice of Glaciers, and that of the 

 Waters which flow from them. By M. Ch. 

 Martins, ...... 85 



X. On the Colour of Water, .... 88 



XI. John-Crow Vulture, (Turkey-buzzard, Wilson ; Ca- 

 thartes aura, Vulture aura, Linn ; Carthartes 

 aura, Illiger,) . . . , . . . . . 90 



XII. Series of Researches on the Geology of that part of 

 the Alps lying between the Valais and Oisans. 

 By M. Fournet, 94 



XIII. Some Remarks on the High Temperature in the 



United Mines. By Robert Were Fox, . 99 



XIV. On the High Temperature of the Water at the United 



Mines. By Captain W. Francis, . . 102 



XV. Storms in the Southern Hemisphere, . . 106 



XVI. On the Erratic Phenomena of Scandinavia, in refer- 

 ence to M. Durocher's Memoir on that subject. 

 By M. Ch. Martins, .... 109 



Direction of the Striae, . . . .110 



Characters of the Transported Deposits in the North of 



Europe, . . . . . ,115 



Reply to M. Durocher's Objection to the idea of the Ancient 



Extension of the Glaciers of Scandinavia, . 119 



Reply to the Objections to the Ancient Extension of Gla- 

 ciers among the Alps, . . . .125 



