416 Index, 



Fishes, on their classification, &c., 132 and 331. 



Forbes, James, Professor, his Sixth Letter on glaciers, 231^his 



Seventh Letter on glaciers, 244 — his Eighth Letter on glaciers, 



375. 

 Fournet, Professor, his researches on the situation of zones without 



rains, and of deserts, 361. 



Gardner, B. P., M.D., on the action of yellow light in producing 

 the green colour, and indigo light the movements of plants, 76. 



Geology of South America, sketch of, by Alcide D'Orbigny, HI. 



Glaciers, observations on, in Professor J. Forbes' Letters, at pages 

 231, 244, and 375. 



Globe, on the constitution and structure of its interior, 30. 



Gregory, D. F., M.A., memoir of, 223. 



Guano, analysis of, by Dr J, Davy, 313. 



, its early history in Peru, 40^. 



Hitchcock, Edward, LL.D., of Amherst College, analysis of wines 



from Palestine, Syria, and Asia Minor, 176. 

 Hopkins, W., F.R.S., his researches in physical geology, reviewed 



by Charles Maclaren, F.R.S.E., 29. 

 Hyaena, observations on, by M. Ignatius Pallme, 410. 



Kordofan, climate of, by M. Ignatius Pallme, 402. 



Keilhau, B. M., Professor of Geology in Christiania, on the mode of 

 formation of crystalline limestone, contact products, crystal- 

 line silicide slates, and unstratified crystalline slates ; with 

 preliminary observations on the present state of geology, and 

 on the methods of investigation pursued in that science, 143. 



King, William, Esq., Curator of the Museum of Natural History of 

 Newcastle-on-Tyne, on Sigillaria, 62. 



Levelling instruments, described by Messrs David and Thomas 

 Stevenson, 99. 



Lichens, on the food of, 188. 



Light, yellow, its action in producing the green colour of plants, 

 and of indigo light on the movenients of plants, by Dr Gard- 

 ner, 76. 



Low, David, Professor of Agriculture in the University of Edin- 

 burgh, remarks on his Inquiry into the Nature of the Simple 

 Bodies of Chemistry, 107. 



