4^56 



INDEX. 



Solar spectrum, on the thermal effects 

 of the, 233. 



Solids, on some therino-djmamic pro- 

 perties of, 61. 



Soundings, remarks on deep-sea, 9/. 



Sounds, on the production of, in open 

 tubes, 419. 



Specific gravity of bodies, new me- 

 thods of examining and verifjing 

 the, 150, 254. 



Staffonolepis Robertsoni, on, 75. 



Stannic ethyle, 21/. 



Steam-ship propulsion, on, 310. 



Stereoscope, on the application of 

 the, to distinguish prints from re- 

 prints, 415. 



Strecker (Dr.) on arbutine, 425. 



Sulphocarbamic acid, on the produc- 

 tion of, 138. 



Tait (P. G.) on the conversion of 

 oxygen into ozone, 435. 



Tartini's beats, on the theory of, 25. 



Tate (T.) on a method of determining 

 the specific gravity of liquids, 254 . 



Tayler (J. W.) on the veins of tin-ore 

 at Evigtok, Greenland, 307. 



Taylor (R.), biographical notice of the 

 late, 53. 



Telegraph cable, on a new form of,334. 



Temperature, on lunar influence on, 

 153. 



Thomas (L.) on the nature of the 

 action of fired gunpowder, 366. 



Thomson (Prof. W.) on the thermal 

 effect of drawing out a film of liquid, 

 61 ; on a new apparatus for obser- 

 ving atmospheric electricity, 312. 



Thornton (R.) on the coal found on 

 the Zambesi, 307. 



Tin-ore, on the veins of, at Evigtok, 

 near Arksut, Greenland, 307. 



Titaniferous iron-ores, on the com- 

 position of, 231. 



Trietliylphosphine, action of bibro- 



niide of ethylene upon, 134; action 

 of bisulphide of carbon upon, 136. 



Trigonometry, on a theorem in sphe- 

 rical, 151 ; remarks on, 176. 



Trimethylamine, action of bibromide 

 of ethylene upon, 139. 



Trowbridge (Prof. W. P.) on deep- 

 sea explorations, 97. 



Tyndall (Prof. J.), remarks on ice and 

 glaciers, 91 ; on vibrations produced 

 by an electric cm-rent, 417. 



Ureas, on phosphoretted, 360. 



Volcanic cones and craters, on the 

 mode of formation of, 229. 



Wagnerite, on, 128. 



Walker (Dr. D.) on some properties 

 of ice, 437. 



Wallace (Dr. W.) on iodo-arsenious 

 acid, 122; on bromo-arsenious acid, 

 261. 



Wanklyn (J. A.) on some new ethyle- 

 compounds, 225 ; on sodium-al- 

 cohol, 427. 



Wartmann (Prof.) on the effect of 

 pressure on the electric conducti- 

 bility in metallic wires, 441. 



Waterston (J. J.) on the formation of 

 the tail of the comet, 78 ; on the 

 relation of common and voltaic 

 electricity, 345. 



Whirlwinds, on the origin of, 47.' 



Wohler (Prof.) on a remarkable me- 

 teorite, 424. 



Wood, on the connexion between the 

 structure and the physical properties 

 of, 348. 



Wright (Dr. T.) on the inferior oolite 

 of the South of England, 376. 



Wnrtz (M.) on acetal and glycol, 275, 

 427 ; on the conversion of aldehyde 

 into acetal, 276. 



Zigno (Baron) on the Jurassic flora, 

 443. 



Zwenger (Dr.) on solanine, 426. 



END OF THE SEVENTEENTH VOLUME. 



PRINTED BY TAYLOR AND FRANCIS, 

 RED LION COUKT, FLEET .STREET. 



