406 INDEX. 



Soapstone, its use to diminish friction, 192 



Soda, preparation of, 176 



Solar rays, Magnetic influence of, 188 



Southern Review, 383 



Specific heat of the Gases, 394 



Starch, Chemical researches on, 393 



Steam, power of, 180 



Strontian, action on Animals, 178 



Switzerland, education in, 397 



Tabular Spar, new locality of, 198 



Tioga Coal, 381 



Transylvania, volcanic character of, 251 



V 



Vapor, new phenomena of, 161 



Volcanos, notice of Prof. Daubeny's work on, 235 



Mr. Scropes letter on, 190 



W 



Water Cement, 382 



Water, compression of, 189 



its non conducting power, 368 



Z 



Zircon, measurements of crystals of, from North Carolina. 392 



