480 



INDEX. 



electromagnetic phenomena consi- 

 dered in connexion with the dyna- 

 mical theory, 1. 



Sun, on the physical constitution of 

 the, 66, 142 ; on the nature of the 

 protuberances of the, 368. 



Sutherland (Dr.) on auriferous rocks 

 in South-eastern Africa, 242. 



Tait (Prof.) on electrolytic polariza- 

 tion, 243. 



Temperature, on the descent of a solid 

 body on an inclined plane when 

 subjected to alternations of, 99; of 

 the humanbodvat various altitudes, 

 on the, 329, 4/2. 



Thermometer, on a self-registering, for 

 deep-sea soundings, 395. 



Thomson (Sir W.) on the fracture of 

 brittle and viscous solids by shear- 

 ing, 71 ; on a new astronomical 

 clock, and a pendulum-governor for 

 uniform motion, 393. 



Thunderstorms, on the influence of 

 local agents in the production of, 

 436. 



Tin, on the production of a columnar 

 structure in metallic, 207. 



Tomlinson (C.) on the formation of 

 bubbles of gas and of vapour in 

 liquids, 204 ; on a remarkable struc- 

 tural appearance in phosphorus, 

 215; on the supposed action of light 

 on combustion, 21/; on the mo- 

 tions of camphor on the surface of 

 water, 409. 



Turacine, researches on, 383. 



Tvndall (Prof. J.) on the formation 

 and phenomena of clouds, 156. 



Vapours, on the conformity of, to Ma- 

 riotte and Gay-Lussac's law, 284. 



Vision, on some phenomena of bi- 

 nocular, 179. 



Vital force according to age, and the 

 " English Life Table," on, 18. 



Voltaic cooling and heating, on the 

 cause of the phenomena of, 263. 



pile, on a theory of the, 3/7. 



Wallbridge (T. C.) on the geology 

 and mineralogy of Hastings County, 

 Canada West, 467- 



Waltenhofen (Prof. A.) on the limits 

 of the magnetization of iron and 

 steel, 404. 



Warburg (Dr. E.) on the heating pro- 

 duced in solid bodies when they are 

 sounded, 138. 



Warren (T. T.P.B.) on electrification, 

 441 ; on the measurement of the 

 electrical conductivity of liquids 

 supposed to be insulators, 470. 



Water, on the freezing-point of, con- 

 taining dissolved gases, and on the 

 regelation of, 471. 



Watts (Dr. W. M.) on the spectra of 

 carbon, 249. 



Whitaker (W.) on Hvperodapedon, 

 240. 



Wiltshire (Rev. T.) on the red chalk 

 of Hunstanton, 321. 



Zollner (F.) on a new spectroscope, 

 with contributions to the spectral 

 analysis of the stars, 360. 



END OF THE THIRTY-EIGHTH VOLUME. 



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