472 



INDEX. 



tution of Great Britain, 64 ; Medico- 

 Botanical Society, 227 ; Chelmsford 

 Philosophical Institution, 388 ; Scien- 

 tific Bodies of London, calendar of the 

 meetings for 1828-9, 400. 



Sodium and silver, chloride of, 384. 



Solanine, 153. 



Solar spots, 76, 156, 236, 317, 390. 



Solids, alteration of crystalline state in, 

 155. 



Solution in sulphuric acid without ox- 

 idizement, 68. 



Sound, Mr. Galbraith on, 179; Mr. 

 Ivory on, 321. 



Sounding-board, description of a, 61. 



Sowerby (J. D. C.) on the penetration 

 of the sea into corked bottles, 119. 



Spheroids, attraction of, Mr. Ivory's 

 reply to the Bulletin des Sciences on, 

 247; Dr. Tiarks on Mr. Dalby's 

 method of finding the difference of 

 longitude between two points of a 

 geodetical line on a spheroid, 364. 



Steinheil's new micrometer, 173. 



Stomach, on the presence of free acids 

 in the, 3, 120. 



Succulent plants, 261. 



Sugar of liquorice-root, 67. 



Sulphate of manganese, composition of, 

 24 ; of nickel, Mr. R. Phillips on, 287 ; 

 of soda, anhydrous crystals of, 71. 



Sulphuretted hydrogen and aluminum, 

 150. 



Sulphuric acid, solution in, without 

 oxidizement, 68. 



Surface, on the representation of the 

 parts of a given, on another surface, 

 104, 206. 



Syphon-hydrometer, Mr. Meikle on an 

 improved, 258. 



Telluret of aluminum, 151. 



Thomson (Dr.) attack of Berzelius on, 

 450. 



Tiarks ( Dr.) on the longitudes of the 

 Trigonometrical Survey, 364. 



Tiedemann and Gmelin's reply to Dr. 

 Prout on the presence of free acids in 

 the stomach, 3 ; Dr. Prout's remarks 

 on, 120. 



Titanic acid, preparation of, 308. 



Trevelyan's (W. C.) description of the 

 Winch suspension bridge, 386. 



Trigonometrical Survey, the longitudes 

 of, Dr. Tiarks on, 364 ; Mr. Ivory 

 on, 432. 



Tubes formed by lightning, 228. 



Turner's (Dr.) chemical examination 

 of the oxides of manganese, 22, 96. 



Ultramarine, artificial, 228. 



Unio, six new species of, 372. 



Vauquelin's analysis of Ipecacuanha 

 Branea, 459. 



Velocity of cannon-balls, method of as- 

 certaining, 65. 



Venus, 392. 



Vitrified fort of Dunnochgoil, 123. 



Volcanoes, Sir H. Davy on the phe- 

 nomena of, 85. 



Walker (R.) on artificial cold, 11. 



Wallace's Elements of Algebra, review 

 of, 370. 



Watkins's (F.) Popular Sketch of Elec- 

 tro-Magnetism, review of, 220. 



Websterite found in the plastic clay of 

 Auteuil, 81. 



Western Sussex, on the Geology of, 38. 



Whale, rib of, found in the diluvium 

 of Brighton cliffs, 72. 



Winch bridge, the oldest suspension 

 bridge in England, 386. 



Wohler ( F.) on the artificial formation 

 of urea, 309. 



Zone, luminous, 418 ; of the 29th Sept., 

 337, 389, 392, 393, 453, 463, 464. 



END OF THE FOURTH VOLUME. 



*& 



LONDON: 



PRINTED BY RICHARD TAYDOR, RED LION COURT, FLEET STREET. 



1828. 



