CONTENTS. 



PAGE 



VI. An Account of Two Aerolites, and a Mass of Me- 

 teoric Iron, recently found in Western India. By 

 Herbert Giraud, M.D., Professor of Chemistry 

 in the Grant Medical College, Bombay, Assistant- 

 Surgeon in the Hon. E.I.C.'s Bombay Medical 

 Establishment. Communicated by the Author, 53 



VII. M. Alcide d'Orbigny on Living and Fossil Molluscs, 57 



VIII. On the Geology of the German Tyrol and the origin 

 of Dolomite. By Professor Favre of Geneva. 

 Communicated by the Author, ... 73 



IX. On the Colour of Water. By Professor Bunsen, 95 



X. Geological Changes from Alteration of the Earth's 



Axis of Rotation, ..... 98 



XI. On the Downward Progress of the Glaciers of the 



Alps. By Ed. Collomb 104 



XII. On Trees cleft by the direct action of Electrical 



Storms. By Ch. Martins, . . . .114 



XIII. The Cai'boniferous Fauna of America compared with 



that of Europe. By Ed, de Verneuil, . 117 



XIV. 1. Flora of the Silurian System. 2 Plants of the 



Anthiacite Formation of Savoy. 3. Fossil Plants, 

 as illustrative of Geological Climate. 4. Co-ex- 

 istence of Certain Saurian and Molluscous Forms 

 at Equal Geological Times. 5. Phosphate of 

 Lime in the Mineral Kingdom, . .. . 122 



XV. On a New Species of Manna from New South Wales. 

 By Thomas Anderson, M.D., F.R.S.E., Lecturer 

 on Chemistry, and Chemist to the Highland and 

 Agricultural Society of Scotland. Communicated 

 by the Author, 132 



