llJ D E X. 



i-75 



^tiicini, for muthroom poison, 157 ; 

 •ffects of climates, 210, ^35 ; hy- 

 drophobia cured, S58 

 Mercury. Freezing of, 154 

 Meridian, Ou Mudge's measurement 

 of, '10, 90, 1 78 

 Metalliferous veins. On, 147 

 MdeoT seen at London, 8"i6 

 Meteorology. 60. 7fi, 79,80, 158, 160, 

 237, 2-!0, ^62, 317,8-'0, 397,400,472 

 Miasmata. On, 16 

 Microscope. Wollaston's, 124; Jones 

 on, 247 

 Atiers's lectures on chemistry, S74 

 MiKing. Laws and usages, 150 

 Mirbel on organs of fructification in 

 vegetables, 383; on germination, 

 885 

 MirUturg. Ejjlations of air to, 446 

 AIoTiteolfier's process for making 

 white lead, 253 

 itudgt's measurement eifthe mfridiun. 

 On, 20, 90, 178 

 Muriate of silver and of baryta, 301 ; 

 of copper, 203; of lead, 275; of 

 soda analysed, 411 

 Miishiuuvi. p'ison. Cure for, 157 

 Narvat. Home on the, 802 

 Kegro colour, n^ proof of difference 

 of species, 302 

 Nitrogen. On, 376 

 PUs. On heat developed in buri;ing, 

 294 

 Ophllialmia. Adams on, 3:^9 

 Ojiium from garden poppy, 68 

 Oratory. Wright on, 53,140 

 Otyrnurtales of lime, potash, and mag- 

 nesia. Preparation and bleaching 

 powers of, 312 

 Paintings of the rniddle age. On, 35, 

 171,348 

 Paper, transparent, for artists, 223 

 Passions. Wright on the, 53, 140 

 Pastil. Substitute for indigo, 69 

 Patents 234,317,393 

 Pearson on tinging matter of the 

 lungs, 222 

 Pepys's mercurial Voltaic conductor, 

 15 

 Periscepic camera obscura and mi- 

 croscope, 124; Jones on, 247 

 Philips on the veins of Cornwall, 147 

 plulosophual Society of London, 52, 

 140.229, 305,374, 4«i2 

 physiology, Animal, 387 

 Pith ofiegelahlej. On functions of, 

 382 

 Pletulerlealh on fossils found near 

 Reading, 44 

 potatoes, Fecula of, converted into 

 sugar, no 



Potass. Decompesition of, 401 ; ana» 

 lyses of, 409 



Potassium. Exper. on, 401 



Prize (juestions, 379 



Printing press. Anew, 60 



Proust's idea of chernical proportioa 

 correct, 4 



Prussian Hue. New facts respecting, 

 70 

 Red lead. Components of, •_ 7 



fUchier's idea of chem. proportion 

 correct, fi 



Rodriguez on Mudges measurement 

 of meridian, 20,90; remarks on 

 his animadversions, 178 



Roman school of painting, 171 



Royal medical sneiely nfEdinbiirgh,3'i9 

 Royal George. Proposal for raising, 

 297 

 Royal Society, 50, 138,221, 302, S63, 

 457 

 Rumfiyrd on cofFee, 108; on heat de- 

 veloped in combustion, 285, 434 

 Sap of trees. Oa course of, 381 



Seufftdd, Hangtng, described, 1P5 

 Scotland. Geology of, 370, 373 



Sheep. New species of, 51 



Shoolbred's cure of hydrophobia, 358, 

 4lS 

 Sight. On, 138, 205 



Silver. Muriate of, 20i 



Singer's electric column of 20,000 

 pairs of plates, S93 



Slate quarries. On, S03 



Soda. Decomposition and analysis of, 

 409 i sulphate and muriate of, 41 1 

 Sodium. Exper. on, 409 



Solids ufgrentest aitraction. Theory 

 of, 268 



Southern on equilibrium, 321 



Spirit of icine. Combustion of, 434 

 Spirituous liifiiors- Glass balls for de- 

 termining strength and quantity 

 of, 152 



Starch converted into sugar, 155 

 Stan'iary laws- Account of, 15f> 



Steam. Hep.ting buildings by, 157 

 Steevens on meteor seen at London,346 

 Stone. Artijicial, to make, 273 



Stratifiration. Farey on, 303 



St. Fi/icent. Volcanic eruption in, 139 

 Sugar from starch, 153 



Sulphurels i>\ gold, 71; of lead, 81; 

 of copper, 197; of iron, 276; of 

 carbon. 368 



Suliitiur. Exper. on, 82 ; formation 

 of, 101 



Sulphite of baryta, 88 



Sulphate of lead, 83, 344 ; of baryta, 

 85 ; of copper, 202 ; of iron, 280 

 Surgiiul instruments. New saw, 4-8 



