384 Index. 
Races, human, the probable consequences from the intermingling 
of, 269. 
human, the changes that they appear destined to pass 
through, 267. 
Professor Agassiz, on the specific differences of, 372. 
Rocks, classification of the fossiliferous, 171. 
Rocks, tabular view of, the older Rhenish Provinces and of Belgium, 
323. 
Saltpetre, natural deposit of, 367. 
Seas, primeval, on the depth of, afforded by the remains of colour in 
Fossil testacea, 179. 
Smith, John Alexander, M.D., on the crania of ancient short-horned 
Ox, 162. 
Soil, on the preservation of the properties of, 376. 
Soda, nitrate, its use as a manure, 182. 
Sanarmont, M. de, experiments on the formation of minerals in the 
humid way, in metalliferous repositories, 344. 
Stone building, strength and density of, 371. 
Stoker, M. M., on the China stone and China clay of Cornwall, 50. 
Talbot’s American tunnelling machine, noticed, 180. 
Taylor, M. A., on the quantity of solid matter carried annually to 
the sea, 368. 
Tea, cultivation of, in the district of Kangra, noticed, 76. 
Tides in South Pacific, noticed, 148. 
Tools, notice of the ancient Indian mining, 324. 
Vienna, Imperial Academy of Sciences of, letter from, in regard to 
Professor Jameson, 46. 
Wernerite, its chemical composition, and the products of its trans- 
mutation, 124. 
Weather, indications of, as shown by animals, 341. 
Wind, influence of, on undulating or hilly ground in checking cur- 
rents, 94. 
Wheat plant, origin of, 375. 
Wheat, autumn, a new invention in increasing the produce of. By 
M. d’Urele, 376. 
Wove-felting, method in detecting the best kinds, 378. 
World, old and new, compared, 250. 
END OF VOLUME FIFTY-SEVEN. 
