474 



INDEX. 



Derbyshire. FareyV Report, 214 ; 

 strata of, -503 



DeloTialing pnuders. On, 68 



Differenlial thermometer. On, 51 

 Disposilinn iu pointing, 351 



Dtstiilation. Improved, 65 



Dunovan on alcohol, 579 



Draperiei in painting, 353 



Ea>thi]uake at th* Caraccas, 16) 



Edinburgh Institute, 60, 152, 308 



Electraiiieter. On Bennet's, 415 



Eleitrtc column of '20,000 pairs of 

 plates, 393 



Ekciriiity, New hypothesis of, 62, 

 232 

 Elocution. Wright on, 53, 140 



Equilibrium. On, 321 



Eruption, Folcamc, in St. Vincent, 1 39 

 Ether. Phosphoric and arsenic, 70 

 Elher. Combustion of, 439 



Expressiun in painting, 351 



Forty's mineral-and agricultural re- 

 port on Derbyshire, 214; on stra- 

 tificatioa, COS 



Fat. Origin of, 223 



Feburier on vegetable sap, 38 1 



Fermented Ijtjutirs. Lettsom on,305,462 

 Figiiier's process for depriving vine- 

 gar, &c. of colour, • 129 

 Florin grass. Attempt to analyse, 313 

 Flint. Organic impressions on, 149 

 Florentine school of painting, 172 

 Foot oj" the horse. Clark on, 46, 216 

 Porster's meteorological , observations, 

 79,158,237,317, 396,469 

 Forster on aurora borealis, 263 

 Fossils found near Reading, 44 ; near 

 Brentford, 222 ; near Paris, 315 

 Frigortjic processes. New applica- 

 tions of, 64, .131, 154, 155 

 Fumigaliotis of oxymuriatic acid, sa- 

 lutary effects of, 445 

 Galvanism, hnproved battery, 308 j 

 powerful pile, 393 

 Gas. Mixture of oxymuriatic and 

 hydrogen, exposed to coloured rays, 

 234 

 Gay.Lussttc on changes of colour by 

 lieat, 430 

 Geological society, 147, 224, 303. 370, 

 458 

 Girard on oxymuriatic acid fumiga- 

 tions, 445 

 Gold. Preparations of,- 7 1 

 Gosv'j- r,-,ei'hanical calculator, 166 

 GoiAic school of painting, 174 

 Greek school of painting, 172 

 Gregory's remarks on Rodriguez's 

 anim^idversions on trigonometrical 

 survey, 1 76 

 Gun-lock improved, 208 



Heiil. Exper. on, .QC, 285; effect of 



in changing cotours, 430, 454; 



relations of air to, 446 



Heyne on formation of sulphur, 101 

 Hitks\\ proposal for raising the Royal 



George. 297_ 



Home 0.1 origin of fat and adipocire,' 

 ■ , ■ . 223" 



Horse-shoeing, Curious remarks on, 

 419 

 Hor.'e,ful!en. Metliod of relieving,! 96 

 Hulicn on freezing sicohol, ISO 



Eydro-carboHaied ^ascs. Differences 



'in, 16' 



Uyctrof^rn gas. On heat evolved in 



buniing, ^>95 



Uyduiphobia cured by bleeding, 358, 



416 



Imperial Institute of France, 62, 313, 



sso" 



Inebriation. Lettsom on, 305, 462 



Iron, Sulphurets Of, 276 ; oxide of, 334 



Iron, cast. To cut with a carpenter's 



saw, 156 



Jackson's galvanic battery, 3(i8 



Jones on periscopic carnera obscura 



and microscope, 247 



Kiricanian Society, 61, 232, 312, 379, 



464 



Kirchnff's conversion of starch into 



sugar, 155 



K^wJ: s analysis of fiorin grass, 313 



Lactic add. Berzelius on, 2^1 



Lactates. Characters of, 2'f3 



Lambe on arsenic, 50 



Lamps improved, §6 



Lupuices Mechan.ique (7e7«<e.Equation 



in, 8, 357 



Lead. Different oxides of, 6, 341 ; 



sulphuret of, 8) , 341 ; sulphate of, 



83,344; muriate of, 275 



Learned Societies, 50, 138, 221, 30'2, 



368, 457 



Leslie's differential thern-.omeier, 31 ; 



frigorific process, 64, 154. 446 



Lettsom on tea, 229; on inebriation, 



305,462' 



Light. Rumford on, 66; tffects of 



coloured rays of, on gases, 234 



Lmneon Society, 370 



Lor.i's hydrometer glass balls, 152^ 



Lungs- Tinging matter of, 222 



Lynn, Murfolk^ i.ong. and lat. of, 331 



Mui Culloch on geology cf Scotland, 



370, 373* 



MucheU's annular saw, i28 



iWa-'ii;/ on arsenic, 121; on alcohol. 



or sulphuret of carbon, 368 



Marlins help for fallen hordes, 196 



Mathematics, 8, 105, 'i69, 357 



Meaical Society, ' 22r 



