jSo 



INDEX. 



Saiti of iron. Davy on, 373 



Sai'Jftcre, on carbonic acid gas, 



eledricity, and hydrogen -^z 

 5rtK^r^'itableof vapour in nir2 54 

 Sch'ieferfpath, Analyfis of, 291; 



defcription of, 293 



Schm'idi's table of cxpanfions of 



moift air, 251 



Self-prefcrvat'ion, Organ of the 



inninftof, 81 



Senfes, •various. Organs of, 8t, 



132 



Senna. Extraft of, 67 



5i.'>v,fufed, 304,305 



Silver alloyed with iron, 95. On 

 refining, 216 



Smith's air-pump vapour-bath, 

 293 

 Snow. Formation of, illuftrattd, 

 note, 57 



Socieiiei, Learned, 84, 173, 270, 

 360 

 iS^rtr on hydrometers, 151,229 

 Sporting. On, qip 



Steam. A cement that will Hand 

 againft, 1:3 



Stones from the clouds. Howard 

 on, 49. Beaufordon, 148. Pic- 

 teton, 272 



Stramonium. Extraft of, 67 



Strontian. On dyeing with, 319 

 Sulphates. Aluminous, 275 



Sulphate offrjda and ammonia. A 

 new fait, 275 



Sulphur. New acid of, 369 

 i'K«. Attratlive force of, 193 

 Sympathetic ink. A yellow, 76 

 tamarinds, extraft of, 6G 



Tonta!ile. A new metal, 94, 346 

 TcltJ ope improved, 306 : im- 

 proved objeft glaffes for, 370 

 Tin, improved method of ufiug 

 in dyeing, 3 1 8 



Tor^orof certain animals in win- 

 ter. On the, 8 7. A prize 

 queftion 

 Travels. Humboldt's, 372 



Truth. Organ of the love of, 13 i 

 Tulics rendered harmonious, by 

 hydrogen gas, 24 



Tubes, eapillary. On, 194 



Tungjlic acid. On dyeing with, 



Turkey cement, 121 



Varni/h for balloons. 34J 



Uranium. Ore of, analyfed, 276. 



Experiments on, with cochineal, 



116 



yapour fuhfijling in the atmofphcre. 



On itate of, 143, 251 



Vaccine inoculation. New fafts 



in, 92, 184. Dr. Pearfon's 



evidence, 180. Dr.Heberden's, 



184 



Vegetable extraBs and juices. On, 



63 



Vegetables abforb moifturc from 

 the air, 203 



Vegetable wax, how collefted, 

 263 



Vinegar. Improved procefs for 

 making, 179 



Viole' colours for glafs and por- 

 celain, 18 



JVafer. Afcenfion of, in capillary 

 tubes, 194. Union of, with pa- 

 per, produces heat, 201. Ab- 

 forbed by vegetables from the 

 air, 203. Experiments on the 

 flowing of, Z04 



Winter. Law of cxpanfion of, 355; 

 below a certain degree, dilates 

 by cold, 356 



M'^avcs. Power of, a prize quef- 

 tion, 2 S3 



Wax. To bleach, 266. Prepa- 

 rations in, 277 



Wax-tree. On tha, 262 



Weavil injea bread. To prevent, 

 286 



World. On the formation of the, 



4. '4 

 Wripit on acrollation, 337 



Yellows for glafs and porcelain, 

 20 

 Yttria earth. On, 346 



Zeolite. Analyfis of, 310 



Zodiac found at Dcndera. Mr. 

 Henley's oblervations on the. 



10; 



END OF THE FOURTEENTH VOLUME. 

 Printed by Wilks and Tavlor, Chancery -LaHe. 





