478 



•Index, 



M. 



Machinery, on the expression of parts of, 



by signs, 292. 

 Magnetism, temporary eifect of, produced 



on iron bodies by rotation, 444. 

 JIagnetizing power of the more refrangible 

 „ rays of light, 224. 

 Blajor, JMr. on English books of naval 



architecture, 405. 

 IMartin, Gen. on the origin of ergot, 14. 

 Medals, gold, presented to Mr. Herschel, 



Mr. South, and iM. Struve, 454. 

 Bletals, on the preservation of, by electro- 



chemical means, 248. 

 Michegar, native silver from, 237. 

 Blinerals, new, description of, 1 94, 

 Mineral waters, on the discovery of lithia 



in, 145. 

 IMines, on the temperature of, 259. 

 Blitchill, S. D. on the hedgehog-ray, 1 12. 

 Mole cricket, on the anatomy of, 202. 

 Moore, Sir. on a simple method of gradu- 

 ■ ating glass hydrometers, 261. 

 Mosely, IMr. on a new application of the 



method of parameters to the determhia- 



tion of certain curves, 322. 

 !Molybda?na, researches on, 23.5. 

 Moyle, Blr. meteorological register, 163— 



on tlie tertipei-ature of mines, 259. 

 Mummies, Egj'ptian, on, and the art of 



embalming, 215. 

 Miirchison, ]\Ir. geological sketch of part 



of the west of Susses, 144. 



N. 



Napthaline, on the action of sulphuric 



acid upon, 227. 

 Naval architecture, on, 20, 405. 

 , . on English books on, 



405. 

 Naussau, on the Taunus mountains in, 



301. 

 Nixon, Mr. on the measurement of 



heights by one barometer, 33, 84 — on 



the accuracy of, 363. 



O. 



Observatories of Greenwich and Paris, on 

 the difference of the longitude of, 138. 



Oil of wine, analysis of, 291. 



. on the products obtained during its 



decomposition by heat, 44, 95. 

 ' m— volatile, obtained from soap ley, 

 326. 



Olivine, composition of, 70. 

 Osborne, Dr. on the vegetable principle of 

 the saponaria officinalis, 302. 



Pantochronometer, description of, 153. 



Parameters, on a new application of, to 

 the determination of certain curves, 

 322. 



Paris and Fonblanque on the poison of 

 the toad, 277. 



Patents, new, 1 58, 240, 3 1 8, 47 1 . 



Pecten niveus, a new species, 312. 



Peridot, examination of, 69. 



Phosphorescence of certain fluids, 303, 



Phosphorescent plants, 468. 



Photometry, historical sketch of, 37 1 . 



Plants, on the poisoning of, 469. 



■■ phospliorescent, 468. 



Plumbago and anthracite, &c. experi- 

 ments on, 104. 



Poison of the toad, on the, 137. 



Poisoning of plants, 469. 



Pond, Mr. on an appearance hitherto un- 

 noticed in the nebula of Orion, 391. 



Pouillet, ]M. on atmospheric electricity, 75. 



Powders, specific gravity of, on a new in- 

 strument for ascertaining, 3 1 3. 



Powell, Rev. B. historical sketch of pho- 

 tometry, 37 1 . 



Power, magnetizing, of the more refrangi- 

 ble rays of light, 224. 



Preparations, anatomical, on the preser- 

 vationof, 315. 



Prout, Dr. remarks on his modification of 

 the atomic theory, 187. 



R. 



Raining trees, 463. 



Rainy, Mr. further remarks on the speci- 

 fic gravity of hydrogen, and on Dr. 

 Prouc's modification of the atomic 

 theory, in reply to Dr. Thomson, 187. 



Rana, genus of, on the heart of, 138. ■ 



Register, meteorological, kept at Helston, 

 &c. 163. 



Report of the Committee on Mr. Tulley's 

 telescope, 440. 



Rhubarb, sulphate of, on the, 304. 



Rinmann's green, preparation of, 303. 



Rotation, magnetic effect produced by, in 

 iron bodies, 444. 



