-184 



Sugar, action of acids on 

 Sulphur, atomic weight of 

 Sulphuric acid used in dyeing 

 Symbols, chemical remarks on 



Tabasheer, chemical analysis of 



Talcite 



Tape Worm, analysis of 



Tartaric) acid, in dyeing 



Temperature, at different depths 

 , high, mode of mea- 

 suring .... 



Thomson, Dr. T., on black oxide 

 of manganese 



analysis of emmonite 



-Nutshill sprin 



on the separation 



of potash and soda 



— analysis of taba- 



sheer 



156 



188 

 211 

 312 



132 

 334 

 469 

 215 

 291 



292 



412 

 415 

 418 



56 



132 



observations on 



the atomic weights of bodies, 179. 251 

 on minerals . 332 



Dr., R.D., on a vegeto- 



calcareous hydrate . . 207 



Thompson, Mr. J. V., on metamor- 

 phosis of Cirripides . . 226 



Tide observations made at Liverpool 147 



Timbuctoo, Mr. Davidson's expe- 

 dition to 312 



PAGE 



Tin, salt of . . . . 984 

 Tomlinson, Mr. C, on the action of 



light upon rotating disks . 41 



Tomlinson, on visible vibration, 194, 364 

 Trevethick, Capt., introduces en- 

 gines ..... 390 

 Triphylline mineral . . . 466 



Vansomer the artist . . - 



Vapour, temperature of . . 457 

 Vegeto-calcareous hydrate, analv- 



sis of ' 207 



Vibration, nodes of . . .110 



, on visible . . 194, 364 



Voltaic battery . . . 462 



Water used in dyeing 



Washcharger . 



Weissite 



Westwood's answer to Mr. 



Thompson 

 Winds, tables of the. 

 Wren, Sir Christopher . 

 Xanthic acid 



J. V. 



209 



25 



439 



227 



73 



5 



^98 



Yellow colour from Persian berries 454 

 Young, Dr. T., life of 241, 3'U, 101 



Zoophytes, observations on . . 200 



END OF Vol. III. 



ADDITIONAL ERRATA IN Vol. II. 



Page 264, line 17, before common, insert not 



„ 266, last line, for powder, read power 



,, 270, line 11, for chlorate, read chlorite 



„ 342, „ 31, ib. 



,, ib. ,, 33, for mixed, read unmixed 



„ 431 , „ 23, for hypo-sulphuret, read poly-sulphuret 



,, 433, „ 18, for hypo-sulphate, read hypo-chlorite 



,, ib. ,, 20, for chlorate, read chlorite 



„ 464, „ 30, for 920, read 9-20 



„ 465, ., 1, for 116-75, read 1268 



„ ib. „ 2, for 965, read -905 



,, ib. „ 1, for 1247, read 12-47 



,, 478, ,, 21, for fluxivoal, read fluxional 



ERRATA IN Vol. III. 



Page 91, line 2 from bottom, cancel not 

 ,, 224, ,, 8, ,, for woolton read motion 



„ 300, „ °, „ for bromide read iodide 



