INDEX. 



Rosenmueller, M. 296 



Roth on the contraction of the leaves of 



the drosera, 266 

 Rudolph on the anatomy of plants, 73 

 Russian Imperial Academy, transactions 



of, 317 

 R. Z. A. on the preparation of cork for 



modelling, 222 



Sage, M. on some petrifactions, 78— 

 His process to ascertain the existence 

 of alumine in meteoric stones, 190 

 Sailing, new method proposed for mea- 

 suring a ship's velobity of, 57 

 Saint, W. Esq. on a curious property 



of single repetends,* 124 

 Salts, metallic proportion of metal and 

 oxigen in, 71 — How affected by potas- 

 sium, 92 

 Sauveur, M. on sound, 309 

 Schroeter, M. 198 



Scientific News, 68, 158,239, 309, 382 

 Screw-wrench, an improved, 61 

 Seebeck, Dr. 319 



Seguin, M. on albumen as a substitute 

 for Peruvian bark, in intermittent 

 fevers, 78 

 Senebier, on vegetable motion, 262 

 Series, application of a, to the correc- 

 tion of the height of the barometer, 

 81 

 Sheldrake, Mr. on the camera lucida, 



146 

 Silver, detonating, 237 

 Singer, Mr. his electro-chemical expe- 

 riments, 174 

 Skeletons of animals found in the earth, 



76 

 Sleep of plants, 121 

 Smith on the irritability of plants, 262, 



271 

 Smithson, .Mr. his criticisms on the 

 Count de Bournon's memoir on the 

 triple sulphurct of lead, copper, and 

 antimony, answered, 225, 251 



Soda, see Potash. 



Solar light, see Light. 



Sound, investigation of, 309 



Spurcheim, Dr. 72 



Staveley, James, Esq. his account of 

 some luminous meteors seen during a 

 thunderstorm, 161 



Stebbing, Mr. 145 



Steinacher, P. A. on the blue wolfs- 

 bane, 238 



Stills, shape of, 201 



Storr, on the rice-stone of the Chinese, 

 375 



Sue, M. 179 



Sugar of grapes, 71 



Sulphuret, triple, of lead, copper, and 

 antimony, 225,251, 321 



Surrey Institution, lectures at, 239 



T. 



Tad, Mr. J. his method of preventing 

 doors from dragging on carpets, or 

 admitting air under them, 59 



Tan and jelly, 1 



Tan, an artificial, 5, 317 



Taylor on sound, 310 



Tellurium, experiments on, 318 



Tessier, M. 79 



Thenard, M. on the decomposition of 

 boracic acid, 13, 24— On fluoric acid, 

 20, 29 — On the conversion of potash 

 and soda into metals, 38, 285 — On 

 the action of the metal of potash on 

 metallic salts and oxides, and on al- 

 kaline and earthy salts, 92— His pre- 

 paration of smalt for oil paint, 304 



Thomson, Dr. his experiments coi 

 glue, 7 



Thunder storms, formation of, 106 



" Transition Strata'' what, 78 



Trees, grafting and budding of, 337, 

 346 



Treviranus on the anatomy of plants, 73 



Trommsdorff, M. his artificial succinic 

 acid, 319. 



Vacca. 



