INDEX. 



575 



Pyroxylic spirit, action of boracic acid on, 

 339. 



Quartz, on certain pseudomorphous cry- 

 stals of, 5. 



Ray-vibrations, thoughts on, 345, 532. 



Redfield (Mr.) on the storm-paths of the 

 North American continent, 379. 



Reece (M. R.) on several new series of 

 double oxalates, 156. 



Refraction, on Fresnel's theory of double, 

 48,134, 144,215. 



Resin of Xanthorma hastilis, examination 

 of, 440. 



Resino-bezoardic acid calculi, examina- 

 tion of, 192. 



Rhinoceros, fossil, analysis of the molares 

 of, 158. 



Rockwell (C. H.) on meteoric iron from 

 Burlington, 154. 



Ronalds (Mr.) on the application of the 

 photographic camera to meteorological 

 registration, 73. 



Royal Astronomical Society, proceedings 

 of the, 223. 



Royal Society, proceedings of the, 64, 

 147,219,408. 



Sabine (Lieut.-Col.) on some points in 

 the meteorology of Bombay, 24 ; on 

 the winter storms of the United States, 

 200 ; on the cause of mild winters, 317. 



Salts, on some new double haloid, 232. 



Saussure (Th. de), notice of the late, 413. 



Schcenbein (Dr. C. F.) on the conversion 

 of the solid ferrocyanide of potassium 

 into the sesqui-ferrocyanide, 211; on 

 the decomposition of the yellow and 

 red ferrocyanides of potassium by solar 

 light, ib. ; on the relation of ozone to 

 hyponitric acid, 432. 



Schumacher (H. C.) on a new planet, 69. 



Scoresby (Rev. W.) on the mechanical 

 powers of electro-magnetism, steam 

 and horses, 448. 



Secant, on the first introduction of the 

 word, 382. 



Sloggett (H.) on the constitution of mat- 

 ter, 443. 



Smith (A.) on Fresnel's theory of double 

 refraction, 48. 



Smyth (Dr. R.) on the decomposition and 

 analysis of the compounds of ammonia 

 and cyanogen, 222. 



Solar light, on the decomposition of the 

 yellow and red ferrocyanides of potas- 

 sium by, 211. 



Somerville (Mrs.) on the action of the 

 rays of the spectrum on vegetable 

 juices, 66. 

 Spectrum, action of the rays of the, on 

 vegetable juices, 66. 



Steam, experiments on the mechanical 

 power of, 448. 



Stenhouse (Dr.) on the yellow gum-resin 

 of New Holland, 440. 



Stokes (G. G.) on the aberration of light, 

 15, 76, 335. 



Storms of the United States, on the, 

 200. 



Storm-paths of the North American con- 

 tinent, observations on the, 379. 



Strickland (H.E.) on the structural rela- 

 tions of organized beings, 354, 525. 



Structural relations of organized beings, 

 on the, 354, 525. 



Sturgeon (W.) on an aurora borealis seen 

 at Manchester, 70. 



Sulphurous acid, test for the discovery of, 

 157. 



Sun, experiments on the spots on the, 

 230. 



Tangent, on the first introduction of the 

 word, 382. 



Taylor (R. C.) on the anthracite and bi- 

 tuminous coal-fields in China, 204. 



— — (T.) on some new species of animal 

 concretions, 36, 192. 



Teschemacher (E. F.) on various sub- 

 stances found in the guano deposits, 

 546. 



■ (J. E.) on the wax of the Chamm- 



rops, 350. 



Theodolite, on the derivation of the word, 

 287. 



Thermometer, barometric, on the use of 

 the, for the determination of heights, 

 220. 



Thomson (J.), analysis of two species of 

 epiphytes, or air-plants, 420. 



(Dr. R. D.) on pegmine and pyro- 



pine, 369 ; analysis of Ceradia furcata 

 resin, 422. 



Tilley (Dr.) on the conversion of cane- 

 sugar into a substance isomeric with 

 cellulose and inuline, 12. 



Tin, on some new compounds of the per- 

 chloride of, 416. 



Tremolite, analysis of, 568. 



Uranium, mode of purifying the oxide of, 

 232. 



Vegetable juices, action of the rays of the 

 spectrum on, 66. 



Waller (Dr. A.) on certain molecular ac- 

 tions of crystalline particles, &c, 94. 



Wartmann (Prof. E.) on the causes to 

 which musical sounds produced in 

 metals by electric currents are attri- 

 butable, 544. 



Waterston (J. J.) on a direct method of 

 determining the distance of a comet, 

 226. 



