INDEX. 



St. Barbe, Mr C. on the salt works at 

 Lymington, &c. 194 



Salisbury, Mr. W. on raising grass 

 seeds, and preparing meadow land, 

 355 



Saliva, analytical experiments on, 14, 

 19 



Salmon, Mr. R. his description of a ma- 

 chine (man-tra^) for securing persons 

 attempting depredations, without af- 

 fecting their lives or limbs, 55— His 

 method of constructing commodious 

 houses, with earthen walls, 58 



Salt, British and foreign, analysis of, 

 190, 273 



component parts of, 206 



Salzmann, M. on the plants and insects 

 of the South of France, 158 



Saussure, M. on the combustion of 

 several sorts of charcoal, and on hi- 

 drogen gas, 161, 3C0 



Scheele, 142 



Scientific News, 78, 158, 236, 317 



Secretions of the animal frame, 136 



Seguin, M. on the combustion of char- 

 coal, 163 



Serres, M. De, on chemical printing, 

 and particularly on the progress of this 

 art in Germany, 208, 317— On the 

 pleonast spinel, particularly that of 

 the environs of Montpellier, 378 



Shag-cutter, an improved one, 298 



Sheep, feed for, 23 



Sheep of Zetland, 79 



Shetland, rare animals of, 317 



Ship building, improvements in, 187 



Singer, Mr. his improved cylindrical 

 electrical machines, 12 — see Cuth- 

 bertson. 



Spinellane, description of, 339 



Strata of the hill Durbuy, 290 



Strontian, mineralogy of, 78 



Swedish turnips, see Turnips. 



Sylvester, Mr. on galvanic batteries, 72 



T. 



Tansley, Mr. P. his improvement in 

 cutting silk shag edgings, 298 



Telegraphic communications, 181 



Thenard, M. on the oxidation of me* 

 tals, 148— On the action of potassium 

 on ammonia, 323, 352— On the for- 

 mation of acetic ether, 349 



Thomson, Dr. on the coagulation of 

 albumen, 16— On the change of den- 

 sity produced in lead by pressure, 1 04 



Tiles, method of increasing their dura- 

 bility, and their power of resisting the 

 action of air and water, 312 



Tin, muriate of, 152 



Toad, curious property of the, 68 



Torpedo, properties of the, 137 



Tourte, Professor, on some properties of 

 nickel, 99 



Trachea, mucus of the, analytical ex- 

 periments on, 20 



Traps for securing persons attempting 

 depredations, without affecting their 

 lives or limbs, 55 



Trommsdorff, M. on the saccholactic 

 acid, and its conversion into succinic, 

 142. 



Troughton, Mr. E. on dividing astrono- 

 mical instruments, 49, 318 



Turnip-cabbage, purple, 24 



Turnip, Swedish, 25 



V. 



Vandermonde, M. on the oxidation of 

 iron, 147 



Varty, Mr. J. his method to prevent the 

 accidents which frequently happen 

 from the linchpins of carriages break- 

 ing or coming out, 189 



Vauquelin, see Fourcroy and Vauquelin. 



■ on the oxidation of iron, 147 



—His chemical examination of a 

 substance found in balsam of Mecca, 

 383 



Viviani, Professor, on the black sand, 

 or menachanite, found on the coasts 

 'of Liguria, 84 



Volcanoes of Jorullo, 81 



W. 



Walls of earth, method of constructing, 



58 



Warburton, 



