552 



INDEX. 



Streinz (Dr. F.) on the galvanic po- duced by raising the temperature 



Tait (Prof.) on the foundations of 



the kinetic theory of gases, 141 ; 



on the assumptions required for the 



proof of Avogadro's law, 433. 



Tarleton (F. A.) on the order of lever 



to which the oar belongs, 222. 

 Thermal properties of stable and dis- 

 sociable bodies, on the, 129. 

 Thermometer-bulbs, on the effect of 



pressure on, 406. 

 Thermometers, on delicate, 401 ; on 



some sources of error in, 406. 

 Thompson (Prof. S. P.) on an arc- 

 lamp for use with the Duboscq 

 lantern, 333. 

 Thomson (J. J.) on the chemical 



combination of gases, 379. 

 Thomson (Sir W.) on stationary 

 waves in flowing water, 52 ; on the 

 front and rear of a free procession 

 of waves in deep water, 113 ; on 

 the waves produced by a single 

 impulse in water of any depth, or 

 in a dispersive medium, 252 j on 

 the formation of coreless vortices 

 by the motion of a solid through 

 an inviscid incompressible fluid, 

 255 ; on the equilibrium of a gas 

 under its own gravitation only, 

 287 ; on the stability of steady and 

 of periodic fluid motion, 459 ; on 

 maximum and minimum energy 

 in vortex motion, 529. 

 Threads, on the production, proper- 

 ties, and uses of the finest, 489. 

 Threlfall (P.) on the specific heats of 

 the vapours of acetic acid and ni- 

 trogen tetroxide, 223. 

 Tomlinson (H.) on the effects of the 

 physical properties of iron, pro- 



Unwin (Prof. W. C.) on measuring- 

 instruments, 282. 

 Vapour-pressure, on the influence of 

 change of condition from the liquid 

 to the solid state on, 61. 



Ventosa (V.) on a form of spherical 

 integrator, 381. 



Vortex motion, on maximum and 

 minimum energy in, 529. 



Vortices, on the formation of core- 

 less, 255. 



Walker (J.) on Cauchy's theory of 

 reflection and refraction of light, 

 151. 



Water-battery, on a simple form of, 

 303. 



Wave-length, on the absolute, of 

 light, 265. 



Wave-lengths, on the relative, of the 

 solar spectrum, 257. 



Waves, on stationary, in flowing 

 water, 52 ; in deep water, on the 

 front and rear of a free procession 

 of, 113; on, produced by a single 

 impulse in water of any depth, 252. 



Whitaker (W.) on some deep borings 

 in Kent, 222. 



Wires, on the self-induction of, 10,173. 



Witz (A.) on the strength of the 

 terrestrial magnetic field in build- 

 ings, 381. 



Wroblewski (M.) on the gaseous and 

 liquid states of matter, 547. 



Young (Dr. S.) on the influence of 

 change of condition from the liquid 

 to the solid state on vapour-pres- 

 sure, 61 ; on the nature of liquids, 

 129 ; on evaporation and dissocia- 

 tion, 435 ; on the gaseous and 

 liquid states of matter, 547. 



END OF THE TWENTY-THIRD VOLUME. 



Printed by Tayloe and Fra>cis, Red Lion Court, Fleet Street. 



