573 



INDEX to VOL. I 



A.BNEY (Capt.) on photographing 

 the least-refracted portion of the 

 solar spectrum, 414. 

 Adams (Prof. W. G.) on the change 

 produced by magnetization in the 

 electrical resistance of iron and 

 steel, 153 ; on the action of light 

 on selenium, 155, 322. 

 Allard (E.) on the transparence of 

 flames and of the atmosphere, and 

 on the -visibility of scintillating 

 signal-lights, 171. 

 Andrews (Dr.) on the physical pro- 

 perties of matter, 78. 

 Atmosphere, on the temperature of 

 the upper strata of the, 86 ; on the 

 transparence of the, 171 ; on the 

 refraction of sound by the, 324. 

 Auroras, on the polar, 493. 

 Baily (W.) on a new arrangement 

 for the micrometer of the automatic 

 spectroscope, 314. 

 Becquerel (M.) on the metallic reduc- 

 tions produced in capillary spaces, 

 335 ; on the chemical actions pro- 

 duced by the discharges from an 

 induction-apparatus, 336. 

 Belt (T.) on the drift of Devon and 



Cornwall, 159. 

 Bleekrode (Dr. L.) on electroma- 



chines with disks of ebonite, 347. 

 Blondlot (R.) on certain remarkable 



points in magnets, 333. 

 Boisbaudran (L. de) on some proper- 

 ties of gallium, 173 ; on the spec- 

 trum of gallium, 176. 

 Bonney (Rev. T. G.) on columnar, 

 fissile, and spheroidal structure, 

 328. 

 Books, new: — Todhunter's Treatise 

 on Laplace's Functions &c, 148 : 

 Frost's Solid Geometry, 150; De 

 Bruno's Theorie des Formes Bi- 

 naries, 231 ; Cooley's Physical 

 Geography, 319 ; Dittmar's Quali- 

 tative Chemical Analysis, 409 5 

 Ball's Theory of ^Screws, 489; 

 Lartet and Christy's Reliquiae 

 Aquitanicae, 550. 



Browne (Capt. C. O) on the deter- 

 ' mination of the longitude of Cairo 



from Greenwich by the exchange 



of telegraph-signals, 390. 

 Burbury (S. H.) on the second law 



of thermodynamics in connexion 



with the kinetic theory of gases, 



Carbonic acid gas, on the liquefaction 

 of, 79. 



Centrallassite, on the constitution of, 

 128. 



Challis (Prof. ) on a theory of Crookes's 

 radiometer, 395. 



Chase (Prof. P. E.) on the nebular 

 hypothesis, 315, 507. 



Chemical actions produced by the 

 discharges from an induction- 

 apparatus, on, 336. 



Chemistry, on the first principles of, 



Chess, on the relative value of the 

 pieces in, 221. 



Clausius (Prof. R.) on a new funda- 

 mental law of electrodynamics, 

 69 ; on the bearing of the funda- 

 mental law of electrodynamics 

 towards the principle of the con^ 

 servation of energy, 218. 



Coke, on the microscopic characters 

 of some peculiar forms of, 16. 



Colley (R.) on a case of work pro- 

 duced by the electric current, 

 469. 



Colours, on Young's discovery of his 

 theory of, 111. 



Cotterill (Prof. J. H.) on the distri- 

 bution of energy in a mass of liquid 

 in a state of steady motion, 108. 



Crookes's radiometer, observations 

 on, 177, 245, 250, 305, 395. 



Cryogens and cryohydrates, on, 49, 

 354, 446. 



Dawson (Dr.) on the phosphates of 

 the Laurentian and Cambrian rocks 

 of Canada, 558. 



De la Rue (W.) on the cause of 

 stratification in electrical dis- 

 charges in vacuo, 239. 



