576 INDEX. 



Steam-engine hollers. Patent, 191 

 Sitam-cngine. Patent for, 369, 



370 

 Stevens's patent, 191 



Stirrups. Patent for, 191 



Stffdifigs. Patent, 287,370 



Slone in the bluddir. On, 5 1 



Stcnes from the clouds. On, "^ i 

 Si<trms. On allaying, by means 

 of oil, 9* 



Sugar made from beet-root and 

 grapes, i ' 7 



Sugan. Patent for refining, 369 

 Suipbate of barytes. To decom- 

 pose, 218 

 Sutton Spa. Account of, 61 

 Swallows. Torpidity of, 204 



Tannin. To prodiice,by art, 271 

 banning. Patent respecting, 370 

 Tehscope. Anew, 319 



7enuani's discovery of iridium, 



Tejtlerian SocicijyHaerlemj 353 



Thornton (Dr.) on pneumatic 



medicine, 25)339 



TiUu:h on elasticity, 13H; on 



production of muriates by 



Galvanism, 152 



Timber. Observations on, 309 



Jiofoil. Manufacture of, 113 



Travels, 54, 186, 187, 287 



Trees. On sap of, 309 



TuLss of etuuic gum. To make. 



Vaccination, 189,379,327,367 



Fan Diemen's hand. On, 157, 

 200 



FauqueVins analysis of milk, 176; 

 ot smut of wheat, 177; of 

 guano, 177; of cerite, 193 



Venlilator, Patent, 



Violin. Patent for tuning, 



Volcanoes. On, 



Voyage to Kamtschatka, 4, 



9$ 



262 



Water produced from hs ele- 

 ments by pressure, 173 

 Water-gladiole makesgoodbread, 

 284 

 JVillins'jn' s patent, 370 

 Wilson on Galvanism, 260 

 IVilson's patent, 369 

 JVndoiu-frdme. Patent, 191 

 Winds. Mitchill on, J 4 

 Wit/jerhys patent, 369 

 Welaston's discovery of palla- 

 dium, 27a 

 Wood-louse. On the, 53 

 Wuolf's patent, 369 

 Wooll-cojnhing. Patent, '369 

 Wootz. Experiments on, 40 



Tellow fever. A prize question, 

 93 



Zivl.. Patent for manufacturing, 



95 



Zoology, 97, 155, 200, 204, 328 

 340 Zoophtts. On, 155,200 



\^l 



END or THE TWENTY-SECOND VO'LUME. 



Prihted iy 2i. 'litijlor and Co., S8, Hhoe Lane, Fleet 6trttU 



