472 



INDEX. 



Pyrogenous acids, 385. 



Reichenbach (M.) on kreosote, 390. 



Retina, vision of the, 43; influence of 

 light upon, 241 ; visibility of, 354. 



Reviews: — Abstracts of Philosophical 

 Transactions, from 1800 to 1830,47; 

 Mr. Lubbock's Mathematical Tracts, 

 218; Rev. W. D. Conybeare's Re- 

 port on Geological Science, 427. 



Ritchie (Prof.) on l'rof. Faraday's dis- 

 coveries in magneto-electric induc- 

 tion, 1 1 ; on the rotation of closed 

 voltaic circuits, 13; on the detona- 

 tion of oxygen and hydrogen by a 

 magnetic spark, 104; remarks on 

 Mr. Christie's Bakerian lecture, 208. 



Rodgers (F. and E.) on certain me- 

 tallic cyanurets, 91. 



Roos's (Hon. Capt. de) account of re- 

 covering the stores from the wreck 

 of the Thetis, 363. 



Ross (Commander) on the position of 

 the north magnetic pole, 222. 



Royal Society, 1 25, 220, 291, 360, 436; 

 anniversary address, 127. 



Royal Astronomical Society, 230, 295, 

 381. 



Royal Institution, 296. 



Salt springs, on their strength at dif- 

 ferent depths, 31. 



Scheele's artificial malic acid, 74. 



Scott (D.), notice of the late, 447. 



Sedgwick (Prof.) on the geology of 

 Charnwood Forest, 68. 



Sementini (Sig.) on iodous acid, 392. 



Serum, composition of, 156. 



Ship, on the brachystochronous course 

 of a, 33. 



Silver, desiccation of chloride of, 397. 



Societies, learned, proceedings of: — 

 Royal Society, 125, 220, 291, 360, 

 436; Linna3an Society, 52, 150,309, 

 381, 454; Geological Society, 48, 

 147, 225, 370, 441; Royal Astrono- 

 mical Society, 230, 295, 381 ; Zoo- 

 logical Society, 54, 297, 377, 454 ; 

 Entomological Society, 384 ; Royal 

 Institution, 296 ; Royal Society of 



- Edinburgh, 70 ; Philosophical So- 

 ciety of Cambridge, 66, 312, 463; 

 British Association, 319; University 

 of London, 69. 



Sodium, experiments with, 318. 



Sound, phamomena of, 17. 



Spider, account of an alleged bird- 

 catching, 462. 



Spineto (Marquis di) onjhe Zimb of 



Bruce, and hieroglyphics of Egypt, 

 170. 



Starch, action of iodine on, 313. 



Stars, Sir J. Herschel's observations of 

 nebulae and clusters of, 125. 



Stevelly's ( Prof.) mode of determining 

 the dip of the magnetic needle, 232. 



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

 at the anniversary meeting of the 

 Royal Society, 127. 



Talbot (H. F.) on facts relating to op- 

 tical science, 112, 289; on the arcs 

 of the equilateral hyperbola, 225. 



Tellurium, on, 75. 



Temperature, its influence in producing 

 vibration in metals, 186. 



Terebratula, on the anatomy of, 302. 



Thetis, recovery of the stores from the 

 wreck of the, 363, 367. 



Thomson (Dr. A. T. ) on the action of 

 chlorine on metallic iodides, 467. 



Thomson (T. S.) on the law of the 

 diffusion of gases, 321. 



Thunder-storms, phenomena accom- 

 panying, 343. 



Tides, on the, 362 ; in the port of 

 London, 223. 



Tiger, on the cranium of the, 454. 



Tigris, on its union with the Eu- 

 phrates, 107. 



Touraco, on the anatomy of the, 456. 



Transition rocks of Wales, Shropshire, 

 &c, on the, 370. 



Tredgold (T.) notice of the late, 394. 



T. W. W. on the visibility of the re- 

 tina, 354. 



Uranus, on the satellites of, 381. 



Vegetation, influence of the climate of 

 Naples on, 274 ; action of gases on, 

 316. 



Vibration, pluenomena of, 15, 182. 



Vision of the blood-vessels of the eye, 

 1 1 5, 354. 



Vulta-elcctrometer, of the, 293. 



Voltaic circuit, on the rotation of, 13. 



Wales, on the old red sandstone of, 228. 



Walker (Mr.) on the mountain chains 

 of Europe and Asia, reply to, 1. 



Water, its decomposition and repro- 

 duction by electricity, 291. 



Whewell ( Rev. W.) on chemical for- 

 mula;, 9 ; on the tides in the port of 

 London, 223. 



Williams (Dr.) on a new law of com- 

 bustion, 440. 



Zimb of Bruce, on the, 170. 



Zoological Society, 54, 297, 377, 454. 



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