(magnetic), a comparison of the
variations of the diurnal range of, as
recorded at the observatories of Kew
and Trevandrum (Stewart and Mo-
risabro Hiraoka), 288.

Dewar (J.) and Liveing (G. D.) on the
reversal of the lines of metallic vapours:
No. IV, 352; No. V, 367; VI, 471.
on a direct-vision spectroscope,

482.
Dielectrics, on the specific inductive
capacities of certain: Part I (Gordon),
155.

Donation fund, account of grants from

the, in 1877-78, 75.

Downes (A.) and Blunt (T. P.) on the
influence of light upon protoplasm,

199.

Earth, on a method of using the balance
with great delicacy, and on its em-
ployment to determine the mean den-
sity of the (Poynting), 2.

on the remote history of the
(Darwin), 184.

Elder (H. M.) and Rodwell (G. F.) on

the effect of heat on the di-iodide of
mercury, HgI2, 284.

Electric currents, on certain means of
measuring and regulating (Siemens),
292.

discharge, note of an experiment on
the spectrum of the (Grove), 181.
Electrical constants, measurements of:
No. II. On the specific inductive capa-
cities of certain dielectrics: Part I
(Gordon), 155.

insulation in high vacua (Crookes),

347.
Electricity, influence of, on water-drops
(Rayleigh), 406.

and light, on an extension of the
phenomena discovered by Dr. Kerr
(Gordon), 346.

Electro-magnetic theory of the reflection
and refraction of light (Fitzgerald),
236.

Elements, discussion of the working hy-

pothesis that the so-called, are com-
pound bodies (Lockyer), 157.
Eocene Flora of Great Britain (Ettings-
hausen), 221.

Equations, machine for the solution of
simultaneous linear (Thomson), 111.
Ettingshausen (Baron), report on phyto-
paleontological investigations gene-
rally, and on those relating to the
Eocene Flora of Great Britain in par-
ticular, 221.

Explosions (colliery), influence of coal-
dust in: No. II, (Galloway), 410.

Fellows, deceased, 42 ; elected, 43;
number of, 69.

Financial statement, 70.
Fitzgerald (G. F.) on the electro-mag-
netic theory of the reflection and re-
fraction of light, 236.

Flora (Eocene) of Great Britain (Ettings-
hausen), 221.

Flow of water in uniform régime in
rivers and other open channels (Thom-
son), 114.

Fog, on dry (Frankland), 238.
Foreign members elected, 462.
Fossil plants of the coal-measures, orga-
nised (Williamson), 445.
Frankland (E.) on dry fog, 238.
Fries (E. M.), obituary notice, vii.
Fur of tongue, its nature, 484.

Galloway (W.), influence of coal-dust in
colliery explosions: No. II, 410.
Gas, on an extension of the dynamical
theory of (Reynolds), 304.

Gaseous state, on certain dimensional
properties of matter in the: Parts I, II
(Reynolds), 304.

Gases, absorption of, by charcoal: Part II
(Smith), 322.

experimental researches on thermal
transpiration of, through porous plates
(Reynolds), 304.

Geddes (P.), physiology and histology of
Convoluta Schultzii, 449.
Geological time, limestone as an index of
(Reade), 281.

Geology (Physical), notes on: No. V,
note in correction of an error in
(Haughton), 154.

Glass fibre, on the torsional strain in
a, after release from twisting stress
(Hopkinson), 148.

Gordon (J. E. H.), measurements of
electrical constants: No. II. On the
specific inductive capacities of certain
dielectrics: Part I, 155.

on an extension of the phenomena
discovered by Dr. Kerr, and described
by him under the title of "A New
Relation between Electricity and
Light," 346.

Government fund of 4,000l., account of
the appropriations from, in 1878. 77.

Hicks (J. B.), supplementary forces con-
cerned in abdominal circulation in
man, 489.

auxiliary forces concerned in the
circulation of the pregnant uterus in
woman, 494.

Hogarth (J.) and Mills (E. J.), re-
searches on chemical equivalence :
Part II. Hydric chloride and sul-
phate, 270.

researches on lactin, 273.
Hooker (Sir J. D.), President's address,
43; resignation, 63.
Hopkinson (J.) on the torsional strain

which remains in a glass fibre after
release from twisting stress, 148.
Huntington (A. K.) and Hartley (W. N.),
researches on the absorption of the
ultra-violet rays of the spectrum by
organic substances, 233.
Huxley (T.H.), characters of the pelvis in
mammalia and conclusions respecting
the origin of mammals, 395.
Hyaline cartilage, on, and deceptive ap-
pearances produced by reagents, as
observed in the examination of a carti-
laginous tumour of the lower jaw
(Thin), 257.

Hydric chloride and sulphate, researches
on chemical equivalence: Part II
(Mills and Hogarth), 270.

Induction-currents, on the effects of
strong, upon the structure of the
spinal cord (Ord), 265.

Infusions (organic), note on the influ-
ence exercised by light on (Tyndall),
212.

Jackson (Dr. J. H.), admitted, 1.
Japan, magic mirror of: Part I (Ayr-
ton and Perry), 127.

Kerr (Dr.) on an extension of the pheno-
mena discovered by (Gordon), 346.

VOL. XXVIII.

Kew committee, report of the, 80.
Kew observatory, magnetic observations
made at, 1877-78, 89.

note on the inequalities of
the diurnal range of the declination
magnet as recorded at the (Stewart),
241.

Kew and Trevandrum observatories, a
comparison of the variations of the
diurnal range of magnetic declination
as recorded at (Stewart and Morisabro
Hiraoka), 288.

Lacertilia, on the structure and develop-
ment of the skull in the: Part I. On
the skull of common lizards (Parker),
214.

Lactin, researches on (Mills and Ho-
garth), 273.

Light, electromagnetic theory of the
reflection and refraction of (Fitz-
gerald), 236.

influence exercised by, on organic
infusions (Tyndall), 212.

influence of, upon protoplasm
(Downes and Blunt), 199.

Limestone as an index of geological time
(Reade), 281.

Lindsay (Lord), admitted, 102.
Linear equations, machine for the solu-

tion of simultaneous (Thomson), 111.
Lines of metallic vapours, on the re-
versal of the (Liveing and Dewar) :
No. IV, 352; No. V, 367.

of molecular pressure, on the illumi-
nation of (Crookes), 103.
Liveing (G. D.) on the unknown chro-
mospheric substance of Young, 475.

and Dewar (J.) on the reversal
of the lines of metallic vapours:
No. IV, 352; No. V, 367; No. VI,
471.

scope, 482.

on a direct vision spectro-

Lizards, on the skull of the common
(Parker), 214.

Lockyer (J. N.), researches in spectrum
analysis in connexion with the spec-
trum of the sun, 157.

preliminary note on the sub-
stances which produce the chromo-
spheric lines, 283.

some spectral phenomena observed
in the are produced by a Siemens'
machine, 425.

on some phenomena attending the
reversal of lines, 425.

discussion of "Young's List of
Chromospheric Lines:" No. I, 432.
Locomotor system of Medusæ, conclud-
ing observations on the (Romanes),
266.

2 R

McLeod (H.) and Clarke (G. S.) on the
determination of the rate of vibration
of tuning forks, 291.

Machine for the solution of simultaneous
linear equations (Thomson), 111.
Magic mirror of Japan: Part I (Ayrton
and Perry), 127.

Magnet (declination), on the inequalities
of the diurnal range, as recorded at
the Kew observatory (Stewart), 241.
Magnetic declination, comparison of the
variations of the diurnal range, as re-
corded at the observatories of Kew
and Trevandrum (Stewart and Moris.
abro Hiraoka), 288.

observations made at Kew observa-
tory, 89.

Mammalia, characters of the pelvis
(Huxley), 395.

Mammals, on the origin of (Huxley),
395.

Marcet (W.), inquiry into the functions
of respiration at various altitudes in
Teneriffe, 498.

Marshall (A. M.), note on the develop-
ment of the olfactory nerve and olfac-
tory organ of vetebrates, 324.
Matter, on certain dimensional proper-

ties of, in the gaseous state: Parts
I, II (Reynolds), 304.

Matthey (G.), on the preparation of
the group of metals known as the
platinum series, 464.

Medals, presentation of the, 63.
Medusa, concluding observations on the
locomotor system of (Romanes), 266.
Mercury, di-iodide of, HgI2, on the
effect of heat on the (Rodwell and
Elder), 284.

Metallic reflexion, some experiments
on (Conroy), 242.

vapours, reversal of their lines
(Liveing and Dewar): No. IV, 352;
No. V, 367; No. VI, 471.
Microrheometer, on the (Hannay),

diurnal range of magnetic declination
as recorded at the observatories of Kew
and Trevandrum, 288.

Obituary notices :-
Brongniart (A. T.), iv.
Clarke (Rev. W. B.), i.
Fries (E. M.), vii.

Olfactory nerve and olfactory organ of
vertebrates, note on the development
of the (Marshall), 324.

Ord (W.) on the effect of strong in-
duction currents upon the structure
of the spinal cord, 265.

Organic infusions, note on the influence
exercised by light on (Tyndall), 212.

Parker (W. K.) on the structure and
development of the skull in the Lacer-
tilia: Part I. On the skull of the
common lizards, 214.

on the development of the skull
and its nerves in the green turtle
(Chelone midas), with remarks on the
segmentation seen in the skull of va-
rious types, 329.

Pavy (F. W.), volumetric estimation of
sugar by an ammoniated cupric test,
giving reduction without precipitation,
260.

physiology of sugar in relation to
the blood, 520.

Pelvis in mammalia, characters of (Hux-
ley), 395.

Perry (J.) and Ayrton (W. E.), magic
mirror of Japan: Part I, 127.

contact theory of voltaic ac-
tion: No. III, 421.
Physical geology, notes on: No. V, note
in correction of an error in (Haugh-
ton), 154.

Phyto- palæontological investigations,
report on, generally, and on those re-
lating to the Eocene Flora of Great
Britain in particular (Ettingshausen),

221.

Platinum series, preparation of the group
of metals (Matthey), 464.
Poynting (J. H.) on a method of using
the balance with great delicacy, and
on its employment to determine the
mean density of the earth, 2.
Preece (W. H.) and Stroh (A.), studies
in acoustics: I. On the synthetic
examination of vowel sounds, 358.
Presents, lists of, 98, 228, 297, 372, 457,
528.

President's address, 43; resignation of
Sir J. D. Hooker, 63; election of W.
Spottiswoode, 69.

Protoplasm, on the influence of light
upon (Downes and Blunt), 199.

Quatrefages (J. L. A. de), elected, 461.
Quincke (G. H.), elected, 461.

Radiation, repulsion resulting from:
Part VI (Crookes), 35.

Rayleigh (Lord), influence of electricity
on colliding water-drops, 406.
Reade (T. M.), limestone as an index of
geological time, 281.

Reflexion (metallic), some experiments
on (Conroy), 242.

Repulsion resulting from radiation :
Part VI (Crookes), 35.
Respiration at various altitudes in Tene-
riffe (Marcet), 498.

Reversal of lines, phenomena attending
the (Lockyer), 428.

Reynolds (0.) on certain dimensional
properties of matter in the gaseous
state: Parts I, II, 304.

Rivers, on the flow of water in uniform
régime in, and other open channels
(Thomson), 114.

Rodwell (G. F.) and Elder (H. M.) on
the effect of heat on the di-iodide of
mercury HgI, 284.

Romanes (G. J.), concluding observa-
tions on the locomotor system of Me-
dusæ, 266.

Royal medal awarded to J. Allan Broun,

65; to Dr. A. Günther, 66.
Rumford medal awarded to A. Cornu,
67.

Smith (R. A.), absorption of gases by
charcoal: Part II. On a new series
of equivalents or molecules, 322.
Sodic and potassic sulphates, researches
on chemical equivalence: Part I:
(Mills and Walton), 268.

Spectral phenomena in the arc produced

by a Siemens' machine (Lockyer), 428.
Spectroscope, direct vision (Liveing and
Dewar), 482.

Spectrum analysis, researches in, in con-
nexion with the spectrum of the sun
(Lockyer), 157.

of the electric discharge, note on
an experiment on the (Grove), 181.

researches on the absorption of
the ultra-violet rays of the, by organic
substances (Hartley and Huntington),
233.

Spheroid (viscous), on the precession of
a, and on the remote history of the
earth (Darwin), 184.

problems connected with the
tides of a (Darwin), 194.

Spinal cord, on the effect of strong in-
duction currents upon the structure
of the (Ord), 265.

Spottiswoode (W.), elected President, 69.
Sprengel (Dr. P. H.), admitted, 113.
Stas (J. S.), elected, 462.

Stewart (B.), note on the inequalities of
the diurnal range of the declination
magnet as recorded at the Kew ob-
servatory, 241.

and Morisabro Hiraoka, a com-
parison of the variations of the diurnal
range of magnetic declination as re-
corded at the observatories of Kew
and Trevandrum, 288.

Strain (torsional) which remains in a

glass fibre after release from twisting
stress (Hopkinson), 148.

Stroh (A.) and Preece (W. H.), studies
in acoustics: I. On the synthetic ex-
amination of vowel sounds, 358.
Sugar (physiology of) in relation to blood
(Pavy), 520.

2

volumetric estimation of, by an
ammoniated cupric test, giving reduc-
tion without precipitation (Pavy), 260.
Sun, researches in spectrum analysis in
connexion with the spectrum of the
(Lockyer), 157.

Teneriffe, respiration at various altitudes
(Marcet), 498.

Thin (G.) on some points connected
with the anatomy of the skin, 251.

on hyaline cartilage and deceptive
appearances produced by reagents, as
observed in the examination of a car-
tilaginous tumour of the lower jaw,
257.

Thomson (J.) on the flow of water in
uniform régime in rivers and other
open channels, 114.

Thomson (Sir W.), on a machine for the
solution of simultaneous linear equa-
tions, 111.

Thuillier (Major-General H. E. L.),
admitted, 358.

Tides of a viscous spheroid, problems
connected with the (Darwin), 194.
Tongue, nature of the fur, 484.
Torsional strain which remains in a
glass fibre after release from twisting
stress (Hopkinson), 148.
Trajectory of molecules (Crookes), 103.
Trust funds, 72-74.

Tumour (cartilaginous) of the lower jaw,
examination of (Thin), 257.