376 Index. 



Rammelsberg, Prof. C, on matlockite, a new mineral species, 362. 

 Remains, fossil reptilian, found in the coal-measures of Nova Scotia, 



described by Sir Charles Lyell, 215. 

 Rhind, William, Esq., on the laws which regulate the distribution 



of rivers, 56. 

 Rivers, the laws which regulate the distribution of, by W. H. Rhind, 



56. 

 Rocks, classification of, 272. 

 structure of, 363. 



Sabine, Colonel, on the figure and dimensions of the globe, 148. 



Scleretinite, a new fossil resin, noticed, 359. 



Secchi, Professor, on the distribution of heat at the surface of the 

 sun, 150. On lunar volcanoes, 161. 



Smyth, W. W., Esq., on pseudomorphous crystals of chloride of so- 

 dium, 361. 



Sodium, chloride, pseudomorphous crystals of,; 361. 



Solar spots, periodic return of, 186. 



Sorby, H. Clifton, Esq., on the origin of slaty cleavage, 137. 



Spermatozoa, the penetration of, into the interior of the ovum, 326. 



Straton, James, Esq., on the rain-gauge, 36. 



Sun, distribution of heat at its surface, 150. Relation between the 

 spots on, and the magnetic needle, 186. 



Sutherland, Dr, remarks on currents in the Arctic seas by, 292. 



Steam, extinguishing of fires by, 372. 



Thomson, Dr A. S., on the discovery of a frog in New Zealand, 66. 

 Trevelyan, Sir Walter C, on the indications of glacial action in 



North Wales, 193. 

 Tsetse or zimb of South Africa, described, 192. 



Ulex, M., on glauberite, 358. 



Vegetation, experimental researches on, 370. 



Ville, George, Esq., experimental researches on vegetation by, 370. 

 Volcanoes, lunar, a description of, by Professor Secchi, 161. 

 remarks on, by Dr Daubeny and Professor Bunsen, 276. 



Windermere Lake, a singular irridescent phenomenon on, by Mr 

 Miller, 83. 



END OF/V 



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