INDEX. 



551 



Salep, on the preparation of, 462. 

 Salmond (W.), notice of the late, 381. 

 Salts, on the anti-inflammable and anti- 

 dry-rot powers of some, 432. 

 Schlotheim (Baron) notice of, 385. 

 Schoenbein (Prof.) on the voltaic polari- 

 zation of certain solid and fluid sub- 

 stances, 43. 

 Sea, on the determination of the depth 



of by the echo, 538. 

 Sedgwick (Rev. Prof.) on the classifica- 

 tion of the older stratified rocks of 

 Devonshire and Cornwall, 241, 317, 

 354. 

 Selenic acid, on the preparation of, 396. 

 Seleniuret of mercury, occurrence of, 



392. 

 Sharpe (Mr.) on the geology of the 



neighbourhood of Lisbon, 307. 

 Shooting stars on the night of Nov. 12, 



1838, observations on, 39. 

 Silicates of soda, on the composition of 



two crystallized compounds of, 72. 

 Silver, alloxanate of, 233 ; oxalurate of, 

 236. 



, Pena, on its capability of holding 



water, 218. 

 Slavinski (M.), astronomical observations 



made by, at Wilna, in 1835, 67. 

 Societies ; — 



American Philosophical Society, pro- 

 ceedings of, 535. 

 Architectural Society, proceedings of, 



158. 

 Astronomical Society, proceedings of, 



67, 226,314,521.' 

 Cambridge Philosophical Society, pro- 

 ceedings of, 152, 387, 534. 

 Edinburgh Society of Arts, proceed- 

 ings of, 463. 

 Geological Society, proceedings of, 

 48, 141, 220, 302, 370, 449,502; 

 President's anniversary address, 449. 

 Linnasan Society, proceedings of, 369, 



461. 

 Meteorological Society, notice re- 

 specting, 399. 

 Royal Society, proceedings of, 52, 

 133, 211, 359, 412; anniversary ad- 

 dress of the President, 54 ; award 

 of the royal medal for chemistry, 

 133; of royal medal for mathema- 

 tics, 131 ; of Copley medal, 131. 

 Royal Academy of Sciences of Paris, 



proceedings of, 388. 

 Royal Asiatic Society, proceedings of, 



543. 

 Royal Institution, proceedings of, 230, 



387. 

 Royal Irish Academy, proceedings of, 

 475. 

 Soda, on two crystallized silicates of, 72. 



Soda, subcarbonate of, on the anti-inflam- 

 mable and anti-dry-rot powers of the 

 432. 



Sodium, action of acids on the iodide of 

 398. 



Solar eclipse of Sept. 18, 1838, observa- 

 tions on, 536, 540. 



Spring, notice of a mineral, in New 

 South Wales, 300. 



Stars, determination of the parallax of 

 fixed, 68 ; on Ptolemy's catalogue of, 

 530; shooting, observations on, 39. 



Steam, on the colour of, 121, 184 419 • 

 on the expansive action of, 481. 



Sternberg (Count), notice of the late 

 384. 



Strontian, method of distinguishing from 

 barytes and lime, 78. 



Sulphate of ammonia, on the action of 

 on glass, 75. 



Sussex (H. R. H. the Duke of), address 

 of, at the anniversary meeting of the 

 Royal Society, 1838,53. 



Sylvester (Prof.) on tlie equilibrium of 

 fluids, 37 ; note on his paper entitled, 

 "a pendent to Horner's theorem," 47 ; 

 on the motion and rest of rigid bodies' 

 188; on definite double integration, 

 298. *' 



Talbot (H. F.) on analytic crystals, 19 ; 

 award of the royal medal for mathe! 

 matics to, 133; on the art of photo- 

 genic drawing, 196. 



Taylor (J. jun.) on foot-marks in sand- 

 stone, 508. 



Telegraph, on a pneumatic, 236, 317. 



Thaulow (C. T.), analysis of crystallized 

 perikline, 397. 



Thermo-electricity, evolution of heat bv. 

 82. ' 



Thompson (R. D.) on the decomposition 

 of amygdalin by emulsin, 414. 



Thylacotherium Prevoslii, on the jaws 

 of, 141 ; characters of the, 220. 



Tides, elementary treatise on the, review 

 of, 464. 



Tovey (J.) on the elliptical polarization 

 of light produced by quartz, 169, .321. 



Trap, method of distinguishing froni 

 basalt, 237. 



Trull (Mr.) on the effects of light and air 

 in restoring faded colours, 416. 



Turner (Dr. E.), chemical examination 

 of the fire damp from the coal mines 

 near Newcastle, 1. 



Varrentrapp (V.) on the composition of 

 idocrase, 477. 



Venus, on the heliocentric longitude and 

 elliptic polar distance of, 228. 



Volcanos, on the formation of, 502. 



Voltaic polarization of certain solid and 

 fluid substances, 43. 



