412 Index. 



Petrifactions of shells in the Mediterranean, by MM. Marcel de 



Serres and L. Figuier, 50. 

 Plants, distribution of, remarks on, 389. 

 Publications, new, received, 403. 



Quartz, artificial, observations on, by M. Ebelnien, No. 87, p. iv. 



Rooks, tlieir decomposition considered, by M. Ebelmen, 311. 

 Roger, Professor, on the absorption of carbonic acid by liquids, 149. 

 Rowell, G. A., on the height of the Aui'ora Borealis, 79. — On the 

 Aurora Borealis, 89. 



Scandinavia, communications respecting the rocks of, by H. K. Bru- 



ner, junr., 297. 

 Sharon, vale of, described, 397- 

 Skiddaw slate, its organic remains enumerated, 395. 

 Spider, on its temperature ; and on the urinary excretion of the 



scorpion and centipede, by John Davy, M.D., 123 

 Stars, shooting, observations on, by Sir J. W. Lubbock, 330. 

 Stereochromy, account of, 402. 



Temperature of the air and the sea, its diminution as we approach 

 the land, 397- 



Vosges, its diluvial formation considered, 207. 



Water of the sea, its specific gravity off the coast of British Guiana, 



by Dr J. Davy, 43. 

 Wind, observations on, by M. Dove, 205. 

 Wine, melon, observations on, 402. 



E^D OP VOLUME FORTY-FOUR. 



EDIN'BUItGa : 

 PBINTED BY NEILL AND COMPANY, OLD FI8HMAKKET. 



