544 



INDEX. 



radiolarian chert from Mullion 

 Island, 466. 



Thermodynamics, on the meaning of 

 the second law of, 124. 



Thermometers, on the official testing 

 of, 395. 



Threlfall (Prof. R.) on the electrical 

 properties of pure nitrogen, 1. 



Tsuruta (K.) on the heat of vapo- 

 rization of liquid hydrochloric 

 acid, 435. 



Vacuum-tube in a varying and in a 

 constant electric field, theory of a, 

 70, 71. 



Vacuum-tubes, on luminous dis- 

 charges in electrodeless, 506. 



Vaviolite of the Lleyn, on the, 312. 



Villari's critical point in nickel, on, 

 469. 



Vis viva, on the equilibrium of, 153. 



Volta electromotive force, on the re- 

 lation of, to pressure &c, 97. 



Wadsworth (Prof. M. E.) on the 

 geology of the iron, gold, and 

 copper districts of Michigan, 74. 



Water, on the flow of, in a straight 

 pipe, 439. 



as a catalyst, 531. 



Waves, on plane and spherical 

 sound-, of finite amplitude, 317. 



Wiebe (H. F.) on the official testing 

 of thermometers, 395. 



END OF THE THIRTY-FIFTH VOLUME. 





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