-tso 



INDEX. 



Planetarium on a new principle, 310. 



Port Bowen, velocity of sound at, 1 2, 

 136. 



Potash, triple prussiate of, 1 10. 



Powell's ( Rev. B.) observations on the 

 solar eclipse, Nov. 1826. 



Protoferrocyanatc of iron, 72. 



Prussiate of potash, triple, 110. 



Pumping-engine in Mexico, 242. 



Pyrmont heavy spar, 73. 



Rivers of Assam, 151. 



Rumker's (C. L.) observations on a 

 comet, made at Paramatta, 315, 



Seidlitz powders, 146. 



Serullas, on bromine, 395' 



Siberian minerals, newly discovered, 

 26. 



Sillimanite, crystalline form of, Mr.W. 

 Phillips on, 401. 



Silver, chromate of, 345. 



Smith, (W. ) on retaining water in 

 rocks for summer use, 415. 



Societies, learned : Royal Society, 60, 

 224, 302, 335, 452 ; Linnajan So- 

 ciety, 65, 228, 307, 386, 454 ; Geo- 

 logical Society, 66, 136,229, 386; 

 Astronomical Society, 69, 140, 291, 

 3W,455 ; Horticultural Society, 230, 

 307, 391, 466 ; Royal Institution of 

 Great Britain, 231, 308, 392, 467 ; 

 London Mechanics' Institution, 309, 

 394; Zoological Society 391, 466; 

 Royal Academy of Sciences at Paris, 

 394. 



Soda and lime, chlorides of, Mr. R. 

 Phillips on, 376. 



Solar eclipse, observations on, 28, 55. 



Solids and liquids, physical construc- 

 tion of, 411. 



Sound, velocity of, 12, 249, 336; ve- 

 locity of, at Port Bowen, 12, 136. 



Spheroids, attraction of, 442. 



Spirit-level, theory of, Mr. Nixon on 

 the, 256, 354. 



Spurgin, (Dr.) on the nature and pro- 

 perties of the blood, 201, 370, 418. 



Squire, (T. ) on the solar eclipse, 55 ; 

 his meteorological observations, 208 ; 

 on the occultation of Venus 212. 



Stars, errors in Piazzi's catalogue of, 1 9 ; 

 moon-culminating for 1827, 47. 



Steam, elastic force of, 1 ; navigation, 

 75 ; boilers, accidents incident to, 

 126, 403, 408 ; engines in Cornwall, 

 account of, 235. 



Strength of cast iron, 14. 



Sturgeon, ( W. ) on the intlammation of 

 gunpowder by electricity, 20. 



Succulent plants, 120, 271. 



Sugar of melons, 473. 



Sulphuret of cerium, 71 ; of zinc, ar- 

 tificial, 72. 



Sulphuretted water, Mr. George's ana- 

 lysis of, 245. 



Suniatran Orang Outang, 213. 



Suspension bridge, 473. 



Swainson, (W.) on the Lepidoptera 

 diurna of Latreille, 180; synopsis 

 of the birds of Mexico, 364, 433. 



Taylor, (J.) on the accidents incident 

 to steam-boilers, 126. 



— (P.) descriptionof a horizontal 



pumping-engine erected atMoranin 

 Mexico, 242. 



(R. C.) on the Geology of East 



Norfolk, 277, 346, 426. 



Tescliemacher, (E. F. ) on chromate 

 of silver, 345. 



Thompson, (E. D.) mode of beating 

 water for a bath, 1 04. 



Thomson, (Dr.) on chrome, 452, 



Timl)uctoo, arrival of Major Laing at, 

 314. 



Tripe, (C.) observations on a mineral 

 from near Hay Tor, 38. 



Velocity of sound, 12, 249, 336. 



Venus, occultation of, 212. 



Vernon, (Rev. W. V.) on the orange 

 phosphate of lead, 321. 



Vertebra, fossil, 74. 



Vlacq's tables of logarithms, correc- 

 tions in, 353. 



Wagnerite, Mr. Levy on, 133. 



Watei-, on a substance that inflames 

 upon contact with, 74 ; retained in 

 rocks for summer use, 415. 



Zinc, artificial sulphuret of, 72. 



Zoology, 213, 391, 4fC. 



END OF THE FIRST VOLUME. 



LONDON. 



PRINTED BY RICHARD TAYLOR, SHOE-LANE. 



1827. 



j-^mL. 



