548 



INDEX to VOK XXXII. 



ABEL (F. A.) on the manufacture 

 and composition of gun-cotton, 145. 



iEther, on the nature of, 531. 



Affinity and heat, researches on, 

 365. 



Air-pump, description of a new, 256. 



Alloys, on the expansion by heat of, 

 472. 



Anode, on the development of hydro- 

 gen from the, 269. 



Antimony, on the behaviour of the 

 compounds of, in the flame, 92. 



Aronstein (M.) on the diffusion of 

 gases through caoutchouc, 320. 



Arsenic, on some reactions of, 93. 



Atkinson (Dr.E.), chemical notices by, 

 381. 



Atmosphere, on the reflexion of light 

 in the, 41 ; on the polarization of 

 the, 79, 156. 



Beetz (Prof. W.) on the development 

 of hydrogen from the anode, 269 ; 

 on the influence of magnetization 

 on the length and resistance of iron 

 bars, 451 ; on the tones produced 

 by rotating tuning-forks, 534. 



Bismuth compounds, on the beha- 

 viour of, in the flame, 93. 



Blondlot (M.) on the crystallization 

 of phosphorus, 383. 



Bottger (Dr.) on the separation of 

 indium, 381. 



Books, new : — Ramsay's Geology of 

 North Wales, 306; Hamilton's 

 Elements of Quaternions, 308. 



Bothe (F.) on the tangent photo- 

 meter, 546. 



Brewster's neutral point, observa- 

 tions on, 79, 156. 



Brodie (Sir B. C.) on the construc- 

 tion of chemical symbols, 227- 



Brooke (C.) on the dynamical theory 



of electricity, 378, 433; on the 

 nature of aether, 531. 



Bunsen (Prof. R.) on flame-reactions, 

 81 ; on the phenomena observed in 

 the absorption-spectrum of didy- 

 mium, 177- 



Cadmium, on some reactions of, 95. 



Cahours (M.) on vapour-densities, 

 388. 



Calculus of variations, on an exten- 

 sion of the principles of, 45, 199, 

 278. 



Caoutchouc, on the diffusion of gases 

 through, 320. 



Caro (H.) on the formation of rosolic 

 acid and rosaniline, 126. 



Cayley (Prof.) on the locus of the foci 

 of the conies which pass through 

 four given points, 362 ; on differ- 

 ential equations, 379. 



Challis (Prof.) on an extension of the 

 principles of the calculus of varia- 

 tions, 45, 278. 



Chase (Mr.) on skylight polarization, 

 79; on the comparative visibility 

 of Arago's, Babinet's, and Brew- 

 ster's neutral points, 156. 



Chemical action, observations on, 283. 



■ affinity, on the influence of 



masses in, 388. 



notices, 381. 



symbols, on the construction of, 



227. 



Chizinski (M.) on the influence of 

 masses in chemical affinity, 388. 



Chromium, on some reactions of, 103. 



Clarke (Capt. A. R.) on the figure of 

 the earth, 236. 



Claudet (A.) on a new process for 

 equalizing the definition of all the 

 planes of a solid figure represented 

 in a photographic picture, 212. 



