INDEX. 



Strata, in the vicinity of London, 38, 



1 1 1— Compared with thsse of France, 



122 

 Strontian, oxalate of, 28 

 Sublimation, accidental, of sllex, 520 

 Sucokw, M. 269 

 Sugar in diabetic blood, 182, 190 

 Sulphate of iron, decomposition of, 



377 

 Sulphate of soda, its use in glassmaking, 



857 — Experiments, 359 

 Superoxalates, alkaline, 20 

 Surrey Institution, lectures at, 160 



Tangents, analytical formulae for, 133 



Tar to be extracted from charcoal made 

 of fir, 344— Method of making it, 

 346 



Tar-spirit produced from pit-coal, 333 



Tennant, S. Esq. on a native concre,te 

 boracic acid, 376 



Thenard, M. 35, 107, 130— On fer- 

 mentatien, 249 



Thomson, Dr. 70— On the component 

 parts of oxalate of lime, 21 — Errour 

 in his calculation respecting the oxa- 

 late of strontian, &c. 28, 31 



Thorpe, Mr. 114 



Thouars, Du, remarks on his new trea- 

 tise on vegetation, l6l 



Tin, Cornish oxide of, 240, 319, 



Tobacco, analysis of, 260 



Trail, Dr. T.S. 384 



Trimmer, Mr. W. 52 



Turpentine procured from the Scottish 

 fir, 342 



Varnish produced from pit-coal, 332 

 Vau«iuelin, JV^. his discovery of platina, 



77 — Analysis of tlie aerolite of Stan- 



nern, 229 — Of large-leaved tobacco, 



260— Of nightshade, 350 

 Vegetable wax, see Wax, 

 Vegetation, treatise on, 161 

 Vision, observations and experiments 



on, 321 

 Volcano, submarine, among the 



Azores, 240 



W. 



Warburton, H. Esq. his description of 

 Castle Hill, near Newhaven, Sussex, 

 ■320 



Ware, JVIr. 322 



Waste occasioned by powdering sub- 

 stances, 9 



Watch, apparatus to be connected with, 

 for ascertaining the liour in the night, 

 201 



Water, decomposition of, 87 



Wax, vegetable, from Brazil, 14— 

 Analytical examination of, 16 



Way, Mr. H. B. his method of pro- 

 curing turpentine and other products 

 from the Scottish fir, 342 



Wells, Dr. W. C. on vision, 321 



Wernerian Society, proceedings of the, 

 78, 159, 317, 383 



Willdenow, Professor, 384 



Wood, different sorts of, 161 



Wollaston, Dr. examination of hisqua- 

 droxolate of potash, 24 — On an ore 

 of Brazil, 77 — On the nonexistence 

 of sugar in diabetic blood, 182 



Y. 



Young, Dr. 324 



Yule, Dr. on natural methods in botany, 



384 



END OF THE TmRTY-FIRST VOLUME. 



Stratford, Printer, Crown Court, Temple Bar. 



