472 



INDEX. 



Pterodactyle, new, 3S7. 



Rainbow, new classification of the co- 

 lours of, 152. 



Ray (J. ) commemoration of tlie second 

 centenary of the birth- day of, 140. 



Reade (Dr.) on light and shadow, 109. 



Rennie (G.) on friction, 13). 



Renews of books: — Forsytli's First 

 Lines of Philosophical and Practical 

 Chemistry, 54 ; Osburn's Account 

 of an Egyptian Mummy, 57 ; Daven- 

 port's Amateur's Perspective, 1 'J7 ; 

 Taylor's Records of Mining, 297. 



Rhotfiuni, salts of, 395. 



Rhubarb, analysis of, 151. 



Rhutenium, a new metal, 233. 



Rock-salt, salts of potash in, 411. 



Rose (M.)on the action of sulphuretted 

 hydrogen gas on solutions of mer- 

 cury, 310, 393. 



Royal Institution, 230, 307, 3S9. 



Royal Society of London, 65, 129, 223, 

 300, 377. 



Sabine (Capt.) on tlie lengths of the 

 seconds pendulum, 302 ; on the dip 

 of the magnetic needle, 302. 



Sanguinaria, new vegetable alkali, 151. 



Sea, on the pressure of, 371. 



Sepia, fossil, 388. 



Shetland, New South, 237. 



Silica, sulphurct of, 234. 



Silver, iiitrate of, as a test for vegetable 

 and animal matter, 310. 



Societies, learned: Royal Society, G5, 

 129, 223, 300, 377, 442; Royal So- 

 ciety of Edinburgh, 391 ; Linnjean 

 Society, 73, 226, 306, 3S4 ; Geolo- 

 gical Society, 134, 384, 443; Astrono- 

 mical Society, 227, 465; Royal Insti- 

 tution of Great Britain, 230, .307. 

 389; Society of Arts, 231; Royal 

 Academy of Sciences of Paris, 308. 



Solar rays, magnetic influence in, 132. 



Solution of tartar-emetic and antimo- 

 nial wine, action of light on, 309 ; 

 solution of mercury, action of sul- 

 phuretted hydrogen gas on, 310. 



Sowerby (J. de C.) on the pressure of 

 the sea, Dr. Green's reply to, 371. 



Spirit-levels, Mr. Nixon on the curva- 

 ture of, 174. 



Steam and quick-lirae, action of, upon 

 heated galena, 172. 



Sugar, combination of arsenic acid with, 

 232. 



Sulpbovinic acid, 226. 



Sulphuret of silica, 234. 



Sulphuretted hydrogen gas, action of, 

 on solutions of mercury, 310, 393. 



Sulphuric acid and alcohol, on the mu- 

 tual action of, 226. 



Sun, method of comparing the light of, 

 with that of the fixed st.irs, 377. 



Tannin, 149. 



Tartar-emetic and antimonial wine, ef- 

 fects of light on, 309. 



Taylor (John) on mining, 297. 



Taylor (Rev. W.) on the combustion 

 of coal-gas, 150 ; Mr. Lowry's re- 

 marks on, 375. 



Tetrao, some species of the genus, 73. 



Thames-water, purification of, 442. 



Thomson's (Dr.) reply to Prof. Ber- 

 zelius's attack on his " First Princi- 

 ples of Chemistry," 217. 



Tiarks (Dr.) on the longitudes of the 

 Trigonometrical Survey, 52. 



Torpedo, experiments on, 300. 



Torsion, modulus of, 378. 



Transits, Prof. Encke on, 274. 



Trigonometrical Survey, the longitudes 

 of, Dr. Tiarks on, 52. 



Turner (Dr.) on the oxides of manga- 

 nese, Mr. R. Phillips's remarks on, 

 209 ; his reply to, 254. 



Tyrolese Alps, on the tertiary and se- 

 condary rocks of, 401. 



Urinary concretions, on, 224. 



Vegetable alkali, new, 151 ; matter, 

 nitrate of silver as a test for, 310. 



Vernon's (Rev. \V. V.) analysis of an 

 aluminous mineral, 178. 



Volatile oils, separation of, 232. 



Walker (W.) on the stability of canoes, 

 301, 



Water, action of perchloride of cyano- 

 gen on, 232 ; water of the Mediter- 

 ranean, on, 379 ; Thames-water, pu- 

 rification of, 442. 



Wensleydale, Mr. Nixon on the heights 

 of the principal hills of, 350, 431. 



Wohler,on glucinum and yttrium, 392. 



Wollaston (Dr.) on a method of ren- 

 dering plutina malleable, 65; on a 

 microscopic doublet, 300 ; on a difTe- 

 rential barometer, 305 ; method of 

 comparing the light of the sun with 

 that of the fixed stars, 377 ; on the 

 water of the Mediterranean, 379. 



Yelloly (Dr.) on urinary concretions, 

 224. 



Yew, analysis of, 151. 



Yttrium, 392. 



Zero, natural, Sir G. Cayley on, 88. 





END OF TMK FIFTH VOLUME. 



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RED LION COURT, FLEET STREET. 



