548

ADIE (R.) on the unequal heating
effect of a galvanic current while
entering and emerging from a con-
ductor, 224, 380; on the relation
of magnetism and diamagnetism to
the colour of bodies, 451.
Air, on the thermal effects experienced
by, in rushing through small aper-
tures, 481.

Andrews (Dr. T.) on a new aspirator,
330; on the heat of chemical com-
bination, 497.

Anthropic acid, on the properties and

composition of, 75.

Antimonic acid, on the salts of, 398.
Arsenic, new method of detecting,
in cases of poisoning, 361.
Artesian wells near Silsoe in Bedford-
shire, remarks on, 102.
Aspartic acid, researches on, 275.
Aspirator, description of a new, 330.
Atmosphere: a Philosophical Work,
reviewed, 228; on the electrical
condition of the, 126; on the causes
of the excess of the mean tempera-
ture of rivers above that of the,
355; on the colours of the, 416.
Atmospheric electricity, researches on,
126, 249.

Aurora borealis, report on observa-
tions of the, 59; on the non-polar-
ization of the, 452.
Barral (M.) on the chemical compo-
sition of the rain-water collected at
the Observatory at Paris, 396.
Barry (Dr. M.) on the spiral structure
of muscle, with observations on the
muscularity of cilia, 81, 177.
Bashforth (Rev. J.) on the conducting
powers of wires for voltaic electri-
city, 120.

Bassic acid and its salts, 21.
Bat's wing, on the rythmical contrac-
tility of the veins of the, 385.
Berberine, on the occurrence of, in
the Columba wood of Ceylon, 99.

Berlin (M.) on the supposed new me-
tal donarium, 156.

Biot (M.), report on M. Pasteur's re-
searches on aspartic and malic acids,
275.
Bois-Reymond's (E. du) discoveries
in animal electricity, abstract of,
reviewed, 226.

Bomerang, observations on the, 79.
Bone, on the structure and develop-
ment of, 467.

Books, new:-Smyth's Edes Hart-
wellianæ, 69; M. du Bois-Rey-
mond's Discoveries in Animal Elec-
tricity, 226; Woodhead's Atmo-
sphere, 228; Farren's Life Contin-
gency Tables, 535; Snooke's Astro-
nomical Tables for the Calculation
of Eclipses, 537.

Brewster's (Sir D.) new analysis of
solar light, observations on, 401.
Bromopyromeconic acid, on the pro-
perties and composition of, 167.
Brougham's (Lord) experiments and
observations on the properties of
light, 1, 230.

Brown (J. F.) on some salts and pro-
ducts of decomposition of pyrome-
conic acid, 161.

Brunner (C.) on the preparation of

pure silver from the chloride, 78.
Bunt (T. G.) on pendulum experi-
ments, 272.

Carbonic acid, new apparatus for the
determination of, 317.

Cayley (A.) on Steiner's extension of
Malfatti's problem, 465; on a the-
orem relating to the products of
sums of squares, 515.

Challis (Rev. J.) on the principles of
hydrodynamics, 438.

Chapman (Prof. E. J.) on Artesian
wells near Silsoe in Bedfordshire,
102.

Chemical combination, researches on
the heat of, 370, 497.

Chemistry, early Egyptian, remarks
on, 142.

Childrenite, chemical constitution of,
118.

Cilia, on the muscularity of, 81, 177.
Clausius (R.) on the colours of a jet
of steam and of the atmosphere,
416.

Clays, analysis of several, 349.
Coals, analyses of, 265.

Cocculus indicus, on the fatty acid of,
21.

Cockle (J.) on the method of sym-

metric products, 492.
Colours, on the stereoscopic combina-
tion of, 241; on the relative in-
tensity of different, 246; on the
theory of compound, 519.
Combinations, theorems in the doc-
trine of, 209.

Copper smelting, observations on, 45;
dressing of the ores, ib.; assaying
of the ores, 192; fuel suitable for,
262; construction of the furnaces,
345; calcination of the ores, 453.
Crowder (W.) on the fatty acid of
Cocculus indicus, 21.

Damour (M.) on the supposed new
metal donarium, 156.
Davies's (T. S.) notes on geometry and
geometers, 28, 201.
Diamagnetism, on the relation of, to
the colour of bodies, 452.
Donarium, analysis of the supposed
new metal, 156.

Donovan (M.) on the supposed iden-
tity of the agent concerned in the
phænomena of ordinary electricity,
voltaic electricity, electro-magnet-
ism, magneto-electricity and ther-
mo-electricity, 33, 130, 210.
Dove (H. W.) on the stereoscopic
combination of colours, 241.
Drach (S. M.) on the formulization

of horary observations presumed
à priori to be nearly of a periodic
nature, 152; on the non-existence
of real roots in analytic geometry,
479.

Electric fluid, on the constitution of
the, 33, 130, 210.
Electricity, on the state of static and
dynamic, observed during several
heavy showers, 253; on the reduc-
tion of temperatures by, 224, 380,

419.

Electricity, animal, notice of Du Bois-
Reymond's researches in, 226.
-, atmospheric, researches on, 249.
voltaic, on the conducting
powers of wires for, 120.
Electro-magnets, on the lifting powers
of, 124.

Elliot (Capt.) on the lunar atmo-
spheric tide at Singapore, 147.
Equations, on the possibility of solving,
of any degree, 434.
Evaporating-gauge, description of a
new, 534.

Farren's (E. J.) Life Contingency
Tables, reviewed, 535.

Fat, human, on the composition of, 75.
Fluids, on the motion of, from the

positive to the negative pole of the
closed galvanic circuit, 546.
Fremy (E.) on the sulphurets which
are decomposable by water, 153.
Galvanic current, on the unequal

heating effect of a, while entering
and emerging from a conductor, 224.
Gases, on the electro-chemical polarity
of, 150, 498.

Geometry, new theorem in, 366; on
some demonstrations in, 417.
Geometry and geometers, notes on,
28, 201.

Glaisher (J.) on the meteor of the
12th of August 1852, 292.
Gray (J. E.) on the bomerang, 79.
Grove (W. R.) on the electro-chemi-
cal polarity of gases, 150, 498; on
the dark discharge, 514.
Hamilton (Sir W. R.) on continued
fractions in quaternions, 303.
Heat, on the dynamical theory of, 8,
105, 168, 424; on the mechanical
action of radiant, 256; on the ab-
sorption of, by a bismuth and anti-
mony joint, 318; on the amount
of, produced by the combination
of several metals with oxygen, 370,
497; on the mechanical equivalent
of, 393.

Heffter (L.) on the salts of antimonic
acid, 398.

Heineken (N. S.) on a brilliant me-
teor seen at Sidmouth, 236.
Heintz (Dr.) on the composition of
human fat, 75.

Helmholtz (H.), new analysis of solar
light, 401; on the theory of com-
pound colours, 519.

Henfrey (A.) on the structure of the
stem of Victoria regia, 151.
Hennessy (J. P.) on some demon-
strations in geometry, 417.
Henry (T. H.) on the composition of
Wootz, or Indian steel, 42.
Henwood (W. J.) on a remarkable
deposit of tin-ore, 538.
Herapath (Dr. W. B.) on the chemi-
cal constitution and atomic weight
of the new polarizing crystals pro-
duced from quinine, 186.
Huxley (T. H.) on the morphology of
the Cephalous Mollusca, 385.
Hydrodynamics, on the principles of,
438.

Infinitesimals, on the early history of,
in England, 321.

Invertebrate animals, on the blood-
proper and chylo-aqueous fluid of,
148.

Iron, on the occurrence of metallic,
333.

Jerrard (G. B.) on the possibility of

solving equations of any degree,
however elevated, 434.
Jones (T. W.) on the rythmical con-
tractility of the veins of the Bat's
wing, 385.

Joule (J. P.) on the thermal effects ex-
perienced by air in rushing through
small apertures, 481.

Kirkman (Rev. T. P.) on theorems in

the doctrine of combinations, 209.
Kupffer (A. F.) on the mechanical

equivalent of heat, 393.
Lagrange (F. de) on a new arrange-
ment of the voltaic pile, 77.
Lamont (Dr.) on the decennial period

in the magnitude of the daily mo-
tion of the magnetic needle, 145.
Lefroy (Capt.) on observations of the
aurora borealis, 59.

Lettsom (W. G.) on the occurrence of

metallic iron in fossil wood, 333.
Light, remarks on Lord Brougham's
experiments and observations on
the properties of, 1; experiments on,
230; on the change of refrangi-
bility of, 388; on Brewster's new
analysis of solar, 401.
Löwenthal (J.) on a new method of
precipitating oxide of tin and se-
parating it from other bodies, and
of combining it with silk, woollen
and cotton fabrics, 476.

Madder, on the colouring matters of,
472.

Magnetic disturbances, on periodical
laws discoverable in the mean effects
of the larger, 232.

Magnetic needle, on the decennial
period in the magnitude of the
daily motion of the, 145, 219.
Magnetism, on the relation of, to the
colour of bodies, 451.

Mahla (F.) on the peroxide of silver,
318.

Malfatti's problem, researches con-
nected with Steiner's extension of,
465.

Malic acid, researches on, 275.
Mallet (Dr. J. W.) on a new fossil
resin, 261.

Matter, on the power of animated
creatures over, 258.

Mechanical energy, on the dissipation
of, in nature, 304; on the recon-
centration of the, of the universe,
358.

Mercury, on the indirect bleaching
power of, 238.

Metals, on the heat produced by the
combination of, with oxygen, 375.
Meteor of the 12th Aug. 1852, ob-
servations on the, 236, 292.
Meteorological observations, 79, 152,
159, 239, 319, 381, 399, 479.
Miller (J. F.) on the meteorology of
the English Lake district, 152.
Mineralogical notices :-Childrenite,
118; orangite, 156; scleretinite, 261.
Mollusca, on the morphology of the
Cephalous, 385.

Morgan (Prof. De) on the early history
of infinitesimals in England, 321;
on indirect demonstration, 435.
Morgan (C. De) on the structure and
development of bone, 467.
Murray (J.) on the tides, bed and
coasts of the North Sea or German
Ocean, 466.

Muscle, on the spiral structure of, 81,
177.

Napier (J.) on copper smelting, 45,

192, 262, 345, 453.

Newman (J.) on a new evaporating

gauge, 534.

Ozone, on the nature and name of,
542; on the estimation of, 545.
Pasteur (M.) on aspartic and malic
acids, 275.

Pendulum experiments, account of,
272.
Penny (Dr.) on the chloride of arsenic,
and on the detection of arsenic in
cases of poisoning, 361.

Perrins (J. D.) on the occurrence of
berberine in the Columba wood of
Ceylon, 99.

Phillips (R.) on the electrical condi-
tion of the atmosphere, 126; on
the colours of a jet of steam, 128.
Polygons and polyhedrons, on Staudt's
theorems concerning the contents
of, 335.

Polynomials, homogeneous quadratic,

observations on, 138.
Powell (Rev. B.), on Lord Brougham's
"Experiments and Observations on
the properties of Light," 1.
Pyromeconic acid, on some salts and

products of decomposition of, 161.
Pyrometer, description of a new, 157.
Quaternions, on continued fractions
in, 303.

Quetelet (A.) on atmospheric elec-

tricity, 249; on the state of static
and of dynamic electricity observed
during some heavy showers, 253.
Quinine, chemical constitution and
atomic weight of the new polarizing
crystals produced from, 186.
Rain-water collected at the Observa-
tory at Paris, chemical examination
of the, 396.
Rammelsberg (Prof.) on the chemical

constitution of Childrenite, 118.
Rankine (W. J. M.) on the causes of
the excess of the mean temperature
of rivers above that of the atmo-
sphere, 355; on the reconcentra-
tion of the mechanical energy of the
universe, 358; on the non-polari-
zation of the aurora borealis, 452,
Resin, on a new fossil, 261.
Reslhuber (P. A.) on the decennial
period in the magnitude of the
diurnal motion of the magnetic
needle, 219.

Royal Society, proceedings of the,
147, 230, 306, 381, 465.
Rubian, researches on, 472.
Sabine (Col. E.) on periodical laws dis-

coverable in the mean effects of the
larger magnetic disturbances, 232.
Schaffner (Max.) on an apparatus for
the determination of carbonic acid,
317.

Schönbein (C. F.) on the indirect
bleaching power of mercury and of
stibæthyle, 238; on the nature and
name of ozone, 542; on the quan-
titative determination of ozone, 545.
Schunck (E.) on rubian and its pro-
ducts of decomposition, 472.
Scleretinite, on the composition of, 261.
Silver, on the preparation of pure,
from the chloride, 78; on the per-
oxide of, 318.

Smith (J. D.) on early Egyptian che-
mistry, 142.

Smyth's (Capt. W. H.) Edes Hart-
welliana, reviewed, 69.
Snooke's (W.D.) Astronomical Tables
for the Calculation of Eclipses, no-
ticed, 537.

Solar light, new analysis of, 401.
Squares, on a theorem relating to the
products of sums of, 515.
Stalactites and stalagmites, on the

existence of organic matter in, 155.
Stars, on the colours of double, 71;
investigation of the orbit of y Vir-
ginis, 73.
Staudt's (M.) theorems concerning
the contents of polygons and poly-
hedrons, observations on, 335.
Steam, on the colours of a jet of, 128,
416.

Stearophanic acid, on the composition

of, 21; occurrence of, in human
fat, 75.

Steel, Indian, on the composition of,

42.

Steiner's extension of Malfatti's pro-
blem, researches connected with,
465.
Stereoscopic combination of colours,
on the, 241.

Stibæthyle, on the indirect bleaching
power of, 239.

Stokes (G. G.) on the change of re-
frangibility of light, 388.
Sulphurets decomposable by water,
researches on the, 153.
Swale's merits as a geometer, ob-
servations on, 28, 201.
Sylvester (J. J.) on homogeneous
quadratic polynomials, 138; on
Staudt's theorems concerning the
contents of polygons and polyhe-
drons, 335; on a simple geometri-
cal problem, 366.
Symmetric products, on the method
of, 492.

Temperatures, on a new mode of
measuring high, 157; on the re-
duction of, by an electric current,
224, 380, 419.

Thermometers, on the construction of
standard, 306.

Thomson (Prof. W.) on the dynamical
theory of heat, 8, 105, 168, 424;
on the mechanical action of radiant
heat or light, 256; on the power
of animated creatures over matter,
258; on the sources available to man
for the production of mechanical
effect, 259; on a universal tendency
in nature to the dissipation of me-
chanical energy, 304; on the ther-
mal effects experienced by air in
rushing through small apertures,
481.

Tide, lunar atmospheric, at Singapore,
remarks on the, 147.

Tides of the North Sea or German

Ocean, researches on the, 466.
Tin, new method of precipitating oxide
of, 476.

Tin-ore, on a remarkable deposit of,
538.

Tomes (J.) on the structure and de-
velopment of bone, 467.
Tyndall (Dr. J.) on the progress of
the physical sciences, 241; on the
absorption of heat by a bismuth
and antimony joint, 318; on the
reduction of temperatures by elec-
tricity, 419.

Victoria regia, on the structure of the
stem of, 151.

Voltaic electricity, on the conducting
powers of wires for, 120.
Voltaic pile, new arrangement of the,
77; on the mechanical action of
the, 546.

Wallace (W.) on the chloride of
arsenic, 361.

Wells (D. A.) on the existence of or-
ganic matter in stalactites and sta-
lagmites, 155.

Welsh (J.) on the general process
adopted in graduating and com-
paring the standard meteorological
instruments for the Kew Observa-
tory, 306.

Wiedemann (M.) on the motion of
fluids from the positive to the ne-
gative pole of the closed galvanic
circuit, 546.

Wilkinson (T. T.), additions to the
late Mr. Davies's notes on geo-
metry and geometers, 28, 201.
Williams (Dr. T.) on the blood-proper
and chylo-aqueous fluid of inverte-
brate animals, 148.

Wilson (J.) on a new mode of mea-

suring high temperatures, 157.
Wood, fossil, occurrence of metallic
iron in, 333.

Woodhead's (G.) Atmosphere: a Phi-

losophical Work, reviewed, 228.
Woods (Dr. T.) on chemical combina-
tion, and on the amount of heat
produced by the combination of
several metals with oxygen, 370.
Wootz, on the composition of, 42.