466 
INDEX. 
error, 300 ; on the method of least 
squares, 360 ; on the physical basis 
of probability, 433. 
Elastic bodies, on the reciprocal ex- 
citation of, tuned to nearly the 
same pitch, 318. 
Electric current, on the induction 
produced by variation of the inten- 
sity of the, in a spherical solenoid, 
450. 
energy, on the size of conduc- 
tors for the distribution of, 187. 
potential, on the assumption of 
a solar, 161. 
Electrical resistance of liquids, on the 
measurement of, 132. 
Electricity, on the production of, by 
evaporation, 211 ; on the influence 
of the direction of the lines of force 
on the distribution of, on metallic 
bodies, 269 ; on the distribution of, 
on hollow conductors in electro- 
lytes, 384. 
Electrification, on the influence of 
current, temperature, and strength 
of electrolyte on the area of, 90. 
Electromotive force, on the determi- 
nation of chemical affinity in terms 
of, 25 ; of alloys, on the, 435. 
Elster (J.) on dry charging-piles, 159. 
Energy, temperature, and radiation, 
on the relations between, 224. 
Error, on the law of, 300. 
Evaporation, on the production of 
electricity by, 211. 
Everett (Prof. J. D.) on Ferrel's 
theory of atmospheric currents, 142. 
Ewing (Prof. J. A.) on the magnetic 
susceptibility and retentiveness of 
iron and steel, 159, 381. 
Ferrel's (Prof.) theory of atmospheric 
currents, observations on, 13, 142, 
264, 464. 
Festing (Lieut.-Col.) on the relations 
between radiation, energy, and 
temperature, 224. 
Fitzgerald (G. F.) on radiometers, 
240. 
Fleming (Dr. J. A.) on a pheno- 
menon of molecular radiation in 
incandescence lamps, 48. 
Fletcher (L.) on the dilatation of 
crystals on change of temperature, 
275, 344, 412. 
Fluid, on the crispations of, resting 
upon a vibrating support, 50 ; on a 
general theorem of the stability of 
the motion of a viscous, 112; on the 
double refraction of insulating, 1 . 
Fluorescence of iodine vapour, on 
the, 463. 
Force, on the reality of, 387. 
Galloway (R.) on some improved 
laboratory appliances, 408. 
Galvanometer, on an improved con- 
struction of the movable-coil, 77. 
Gases, on the critical point of liqui- 
fiable, 71, 118. 
Geitel(H.) on dry charging-piles, 159. 
Geological Society, proceedings of 
the, 67, 156, 237, 455. 
Glaciation, on the cause of, 263. 
Glazebrook (R. T.) on curved dif- 
fraction-gratings, 377. 
Gratings, concave, for optical pur- 
poses, on, 197 ; on the aberration 
of,!|210; on curved diffraction-, 377. 
Gray (A.) on the determination in 
absolute units of the intensities of 
powerful magnetic fields, 144. 
Gray (T.) on the size of conductors 
for the distribution of electric 
energy, 187. 
Guthrie (F.) on certain molecular 
constants, 321. 
Heath (D. D.) on Ferrel's theory of 
atmospheric currents, 13, 404. 
Ice of Greenland and the Antarctic 
continent, on the, 351. 
Iodine vapour, on the fluorescence of, 
463. 
Iron, on effects of retentiveness in 
the magnetization of, 159, 381 ; on 
the effect of magnetism upon the 
thermal conductivity of, 397. 
Jamin (J.) on the critical point of 
liquifiable gases, 71. 
Johnston- Lavis (H. J.) on the geo- 
logy of Monte Somnia and Vesu- 
vius, 239. 
Judd (Prof. J. W.) on the basalt- 
glass of the Western Isles of Scot- 
land, 69. 
Jukes-Browne (A. J.) on the relative 
age of some valleys in Lincolnshire, 
237. 
Korteweg (Prof. D. J.) on a general 
theorem of the stability of the 
motion of a viscous fluid, 112. 
Koyl (C. H.) on selective absorption, 
317. 
Krebs (Dr. G.) on the reciprocal ex- 
citation of elastic bodies tuned to 
nearly the same pitch, 318. 
