472 



INDEX. 



Totter (R.) on a brilliant arch of an 

 aurora borealis, 422; on the velocity 

 with which light traverses transparent 

 media, 333. 



Prideaux (J.) on the theory of thermo- 

 electricity, 205, 868, 398. 



Pyrosoma, some remarks on the, 299. 



Refraction, conical, 114, 197. 



Reviews : — Prof. Rennie's Alphabet of 

 Scientific Chemistry, 35 ; Reports of 

 the British Association, 129: Dr. 

 Pearson's Practical Astronomy, 133; 

 Leybourn's Mathematical Reposi- 

 tory, 239 ; Young's Elements of 

 Plane and Spherical Trigonometry, 

 &c, 363 ; Analysis of Inorganic Bo- 

 dies, by J. J. Berzelius, translated by 

 G. O. Rees, 463. 



Ritchie (Dr.) on the magneto-electric 

 phaenomena discovered by Dr. Fara- 

 day, 37 ; on the power of an electro- 

 magnet to retain its magnetism, 122, 

 145 ; experimental researches in 

 electro-magnetism, 145. 



Ross (Captain), short account of his 

 expedition to the North Pole, 394. 



Royal Astronomical Society, 231, 290. 



Royal Geological Society of Cornwall, 

 305. 



Royal Institution, 71. 



Royal Society, 37, 141, 215. 



Santaline, M. Pelletier on, 312. 



Sarcocoline, M. Pelletier on, 313. 



Sciagraphicon, a new instrument, unit- 

 ing amusement with instruction in 

 perspective and optics, 464. 



Sepia officinalis, on the ova of, 301. 



Shells, on the structure of, 452 ; new 

 species of, 61, 66, 69, 295, 301. 



Sines, table of, to centesimal parts of 

 the versed sine, 99. 



Skins, method of dressing in Marocco, 

 297. 



Sleep, on the nature of, 143. 



Smith (T.) on the muscularity of the 

 crystalline lens, 5. 



Societies, learned, proceedings of: — 

 Royal Society, 37, 141,215; Lin- 

 nxan, 69 ; Geological, 42, 2 1 9, 368 ; 

 Royal Astronomical, 231, 290; Zoo- 

 logical, 60, 148, 293 ; Royal Insti- 

 tution, 71 ; Philosophical Society of 

 Cambridge, 235. 461 ; Royal Geo- 

 logical Society of Cornwall, 305 ; 

 British Association, J 51. 



Solania, 464. 



South (Sir J.) on the atmosphere of 

 Mars, 37. 



Spheroids, on a difficulty in the theory 

 of the attraction of, 282. 



Springs, on the rise and fall of water 

 in, 417 ; analysis of two sulphureous 

 springs near Weymouth, 158. 



Stark (Dr.) on the influence of heat 

 on colour and odours, 458. 



Statics, a new principle in, 285; the- 

 ory of resistances in, 431* 



Stromeyer (Prof.) on the remarkable 

 mass of iron discovered near Magde- 

 burg, 454. 



Sturgeon (W.) on the thermo-mag- 

 netism of single pieces of metal, and 

 the electro-decomposition of metallic 

 solutions, 392. 



Sulphureous Springs (Nottington Spa 

 and Radipole Spa), analysis of, 158. 



Sulphuric acid, manufacture of, 115. 



Talbot (H. F.), method of obtaining 

 homogeneous light of great intensity, 

 35 ; proposed philosophical experi- 

 ments, 81, remarks on, 204, 352. 



Tides, on the, 129, 143, 216. 



Thermo-electricity, on the theory of, 

 205, 262, 398. 



Thermo-magnetism of single pieces of 

 metal, 392. 



Trevelyan (A.) on an unobserved pro- 

 perty of chlorine, 72; on the vibra- 

 tion of heated metals, 321. 



Turner (Dr. E.) on the chemistry of 

 geology, 20; on atomic weights, 448. 



Vapour, on certain properties of, 38. 



Vibrating surfaces, figures of, 144. 



Vibration of heated metals, 321. 



Volcano in the Mediterranean, remains 

 of the recent, 148, 447. 



Volcanos, elastic fluids evolved from, 

 159. 



Walker (A.) on the cause of the direc- 

 tion of continents, mountain chains, 

 migrations, civilization, &c. 426. 



Watson (H. H.) on the action of lime on 

 solutions of carbonate of potash, 3 1 4. 



Westwood (J. O.), descriptions of new 

 British forms amongst the parasitic 

 hymt-nopterous insects, 342. 



Wheatstone (C.) on the figures of vi- 

 brating surfaces, 144. 



Whewell (Rev. W.) on cotidal lines, 

 216. 



Winch (N. J.) on the geology of Nor- 

 thumberland and Durham, 28, 92, 

 200, 273. 



Yarrell (W.) on the Apteryx Australia, 

 299. 



Zoological Society, 60, 148, 293, 372. 



END OF THE THIRD VOLUME. 



FRINTED KY IUCHARD TAYLOR, RED LION COURT, ELEET STREET. 



1833. 



