INDEX. 



555 



Ketteler (Prof. E.) on a theory of the 

 dispersion of light in singly and 

 doubly refracting media, 332, 414, 

 508. 



Lang (Dr. R. von) on the friction 

 between water and air, 466. 



Ley den jar, on the residual charge of 

 the, 314. 



Light, on the dispersion of, in singly 

 and doubly refracting media, 332 ; 

 on a theory of the anomalous dis- 

 persion of, 414, 508. 



and electricity, on a new rela- 

 tion between, 203, 373. 



Liquid surfaces, on the variations of 

 potential energy of, 450. 



Liquids, on the determination of the 

 solidifying temperature of, 79. 



Lockyer (J. N.) on the compound 

 nature of the line-spectra of ele- 

 mentary bodies, 229. 



Lodge (O. J.) on some problems con- 

 nected with the flow of electricity 

 in a plane, 37 ; on a model illustra- 

 ting mechanically the passage of 

 electricity through metals &c, 

 353 ; on a mechanical illustration 

 of thermo-electric phenomena, 524. 



Magnetism, on the theory of induced, 

 407. 



Magnets, on the internal constitu- 

 tion of, 74. 



Mallet (R.) on the formation of the 

 ocean-beds by deformation of the 

 spheroid, 61 ; on the mechanism 

 of production of volcanic dykes, 

 395. 



Maskelyne (N. S.) on the pitted sur- 

 face of meteorites, 126. 



Mayer's (Prof. A. M.) researches in 

 acoustics, 500. 



Mensbrugge (Gr. van der) on the 

 application of thermodynamics to 

 the study of the variations of po- 

 tential energy of liquid surfaces, 

 450. 



Mercury, on the motions produced in, 

 by deoxidation, 481. 



Metals, on a model illustrating me- 

 chanically the passage of electricity 

 through, 353. 



Meteorites, on the pitted surface of, 

 126. 



Miller (Prof. W. H.) on a new form 

 of the reflective goniometer, 281. 



Minerals, new, 156, 319. 



Mohr (F.) on the nature of heat,110. 



Moon (R.) on the conservation of 

 force, 114. 



Morgan (C. L.) on the drift of Brazil, 

 316. 



Muir (M. M. P.) on chemical nota- 

 tion, 1 ; on isomerism, 161. 



Multiple differentiation of a certain 

 expression, on the, 208, 522. 



Nebular hypothesis, on the, 29, 198. 



Ocean-beds, on the formation of the, 

 by deformation of the spheroid, 

 61. 



Pelhamine, characters of, 319. 



Pendulum, on a new form of com- 

 pensating, 237. 



Photometer, on a new, 231. 



Photometry of coloured flames, on 

 the, 317. # 



Picoline and its derivatives, researches 

 on, 269. 



Platinum, on the penetration of, by 

 electrolytic gases, 153. 



Polariscope, on a new form of, 20. 



Putrefaction, on the optical deport- 

 ment of the atmosphere in reference 

 to the phenomena of, 63. 



Quartz, on the rotatory polarization 

 of, 475. 



Radiation, on repulsion resulting 

 from, 145. 



Radiometer, on some new forms of, 

 145, 231, 313 ; on the influence of 

 sonorous vibrations on the, 320 ; 

 on some additional phenomena of 

 the, 374 ; on the movement of the 

 glass case of a, 389. 



Ramsay (Dr. W.) on picoline and its 

 derivatives, 269. 



Rath (G. vom) on certain large crys- 

 tals of enstatite, 379. 



Rayleigh (Lord) on the resistance of 

 fluids, 433; on hydrodynamics, 

 441. 



Reitlinger (Prof. F.) on some re- 

 markable phenomena in Geissler 

 tubes, 550. 



Reynolds (Prof. O.) on the force 

 caused by the communication of 

 heat between a surface and a gas, 

 and on a new photometer, 231. 



Root (Dr. E.) on the penetration of 

 platinum by electrolytic gases 

 153. 



Roscoe (Prof. H. E.) on the absorp- 

 tion-spectra of bromine and iodine 

 monochloride, 467. 



Roscoelite, analysis of, 156. 



