Induction-coil, on the, 581.
Inductive ciruit, on the length of
the break-spark in an, 653.
Iron, on magnetic induction in, 456;
on the change in dimensions
caused by magnetization in, 463.
Isopentane, on the thermal proper-
ties of, 208.

Isothermals of hydrogen, on the,
651.

Jeans J. H.) on the mechanism of
radiation, 421; on the theoretical
evolution of the ratio of the
specific heats of a gas, 638.
Jukes-Browne (A. J.) on the upper
greensand of Wiltshire, 152.
Kelvin (Lord) on the dynamical
theory of heat and light, 1; on
ether and gravitational matter
through infinite space, 161.
Kent (N. A.) on the Zeeman effect,

275.

Kilroe (J. R.) on intrusive igneous

rocks in Ireland, 660.
Langley (Prof. S. P.) on the new
spectrum, 119.

Leyden-jar, on the damping of os-

cillations in the discharge of a, 92.
Light, on the dynamical theory of, 1.
Liquids, on the velocity of solidi-

fication of over-cooled, CO; on
double-refraction in moving vis-
cous, 469; on accidental double-
refraction in, 524.

Lodge (Dr O.) on the ratio of specific
heats in gases, 241.
Lownds (L.) on the thermomagnetic

and thermoelectric properties of
crystalline bismuth, 325.
McHenry (A.) on intrusive igneous
rocks in Ireland, 660.
Magnetic effect of electric convection,
on the, 144, 179, 235, 285, 319.

induction in iron and other
metals, on, 456.
Magnetization, on the change in
dimensions caused by, in iron, 463.
Matter, on ether and gravitational,
through infinite space, 161.
Metals, on magnetic induction in,

456.

Metrology, applications of elastic
solids to, 532, 594.

Monckton (H. W.) on some land-
slips in boulder-clay near Scar-
borough, 580.

More (Prof. L. T.) on dielectric
strain, 527.

Morgan (Prof. C. H.) on the Tort-

worth inlier, 159.
Natanson (Prof. L.) on the laws of

viscosity, 342; on double-refraction
in moving viscous liquids, 469.
Nutting (Prof. P. G.) on the complete
emission-function, 379.

Oldham (R. D.) on the origin of
the Dunmail Raise, 154.
Oscillations, on the damping of the,
in the discharge of a leyden-jar,

92.

Parkinson (J.) on the geology of
South Central Ceylon, 152; on
the hollow spherulites of the
Yellowstone and Great Britain,
156.

Peach (B. N) on the geology of the
Isle of Arran, 158.

Pearson (Prof. K.) on lines and
planes of closest fit to systems of
points in space, 559.

Pender (H.) on the magnetic effect
of electrical convection, 179.
Pflüger (Dr. A.) on the anomalous
dispersion of cyanin, 317.
Phosphorus emanation, on the ab-
sorption of the ionized. in tubes,
40; on the transmission of the,
through air and other media, 391;
on the ionization of air by, 477.
Photomicrography, study of growing
crystals by instantaneous, 488.
Pocklington (Dr. H. C.) on rotatory
polarization in biaxial crystals,
361.

Polarization, on rotatory, in biaxial
crystals, 361.

Porter (A. W.) on the emission-
function of a body emitting a line-
spectrum, 573.
Potential of a symmetrical system,
on the, 237; on the drop of, at
the electrodes in vacuum-tube
discharge, 616.

Radiation, on the mechanism of, 421.
Rayleigh (Lord), acoustical notes,
280; on the induction-coil, 581.
Reaction, ou the velocity of, 50.
Reynolds (S. H.) on the Tortworth
inlier, 159.

Rhoads (Dr. E.) on the change in
dimensions caused by magnet-
ization in iron, 463.

Simpson (G. C.) on the electrical
resistance of bismuth to alternating
currents in a strong magnetic
field, 300.

Skinner (Prof. C. A.) on the con-
ditions controlling the drop of
potential at the electrodes in
vacuum-tube discharge, 616.
Sounds, on the loudness of double,
284.

Spark, on the length of the break-,

in an inductive circuit, 653.
Spark-discharge, on the, 311.
Specific heats of a gas, on the

theoretical evaluation of the, 638.
Spectra, on the cause of the structure
of, 245; on the, of hydrogen and
some of its compounds, 370.
Spectrum, on the new, 119; on the,
of cyanogen, 386; of an atom, on
the, 437; on the emission-function
of a body emitting a line-, 573.
Spencer (Prof. J. W.) on the geology
of some West Indian islands, 322,
323, 324.
Spheres, on the electromagnetic
effects of moving charged, 285.
Strahan (A.) on the passage of a
seam of coal into a seam of dolo-
mite, 580.

Strings, on vibrations of, 281.
Sunlight, on the mechanical value
of a cubic mile of, 161.

Sutherland (W.) on the cause of
the structure of spectra, 245.
Swan spectrum, on the, 386.
Syers (Dr. H. W.) on the spectrum
of cyanogen, 386.

Symmetrical system, ou the potential
of a, 237.

Systems of points in space, on lines
and planes of closest fit to, 559.
Temperature, on the practical at-
tainment of the thermodynamic
scale of, 130.
Thermodynamic scale of temperature,
on the practical attainment of the,
130.
Thermodynamics, on the second law
of, 54.
Thermoelectric and thermomagnetic
properties of crystalline bismuth,
on the, 325.
Thermometer,

on the constant-

pressure gas, 141.

Thompson (B.) on the use of a
geological datum, 659.
Trowbridge (Prof. J.) on the spectra
of hydrogen and some of its com-
pounds, 270.

Van der Waals' equation, note on,
108, 414.

Vibrations, on forced, 280.
Viscosity, on the laws of, 342.
Water, on the freezing-point of, 135.
Waves, on the breaking of, 356.
Wilderman (Dr. M.) on the velocity
of reaction before complete equili-
brium, 50.

Willows (Dr. R. S.) on the absorption
of gas in a Crookes tube, 160.
Wilson (Dr. H. A.) on the magnetic
effect of electric convection and on
Rowlands and Crémieu's experi-
ments, 144, 319.
Wright (Prof. G. F.) on

recent

geological changes in Northern
and Central Asia, 154.

Young (Prof. S.) on the thermal
properties of isopentane, 208.
Zeeman effect, notes on the, 275,
441.