Crops, on the annual yield of nitrogen
per acre in different, 52.

Crosskill (Alfred) on reaping machinery

209.

Crustacea (Bellinurus, König) from the
coal measures in Queen's County, on
two new species of, 76.

Crystallization, on a fresh form of, which
takes place in the particles of fallen
snow under intense cold, 40.

Cull (Richard) on Dr. Prichard's identi-
fication of the Russians with the Rox-
olani, 148.

Cumberland, West, on some phænomena
at the junction of the granite and schis-
tose rocks in, 106; on the hæmatite
ores of, ib.

Curve lines, on an instrument for setting
out, 223.

Curves and curved surfaces, on the mutual
relations of inverse, 3.

Cuttle-fish, on the crystalline lens of the,
10.

Cyclopteris Hibernica (Forbes), on the
fructification of, 75.

Dale (Rev. T. P.) on some optical pro-
perties of phosphorus, 15.

Davis (J. H.) on the plants of the oolitic
moorlands, 224.

Davy (Dr. J.) on the fishes of the Lake
District, 122; observations on the Lake
District, 149.

Dawson (Prof.) on the vegetable structure
visible in the coal of Nova Scotia, 80.
Deeds, registry of, in the West Riding,
175.

De Luca (M.), on his claim to be the dis-
coverer of the non-presence of iodine
in the atmospheric air, rain-water, and
snow, 56.

Dials which give the latitude, the line of
north and south, and chronometer time,

41.

Dibb (J. E.) on registry of deeds in the
West Riding, 175.
Digestion, experiments on, 135.
Dimorphodon, 97.

Dingle (Rev. G.) on a new case of bino-
cular vision, 15; on the configuration
of the surface of the Earth, 150.

Dircks (Henry) on an apparatus for ex-
hibiting optical illusions of spectral
phenomena, 14.

Dispensaries, notes on self-supporting,

170.

Donati's comet, on, 28.

Donnelly (Mr.), manner in which agricul-
tural statistics are collected in Ireland,

Donohoe (Consul) on Pacific railway
schemes, 149.

Dorsetshire, on a remarkable deposit of
carbonate of lime about fossils in the
lower lias of, 51.

Drainage of the metropolis, on the, 213.
Draper (C. L.) on electro-magnetism, 25.
Drummond (J.) on the development of a
physical theory of terrestrial magnet-
ism, 25; on the intensity of the ter-
restrial magnetic force, 24.
Dry dock, on a floating, 206.
Dye, on the purple, obtained from coal-
tar, 58.

Earnshaw (Rev. S.) on the mathematical
theory of sound, 34.

Earth, on the distribution of heat in the
interior of the, 23; on the configura
tion of the surface of the, 150; on
the general and gradual desiccation
of the, and atmosphere, 155.
Earthworms and larvæ of an undescribed
species, on, 129.

Education, degree of, of persons tried at
the Middlesex Sessions, 168.
Edwards (J. Baker) on nitro-glycerine
and other xyloids, 47.
Elder (J. J.) on double cylinder expan-
sion marine engines, 210.

Electric cables, on the submersion of,
215.

Electric lamp, on an improved, 55.
Electric wires, extension of communica-

tion to distant places by means of, 148.
Electrical discharges, on induced, taken
in aqueous vapour, 25; observed in
highly rarefied carbonic acid in contact
with potash, 50.
Electricity, 24.
Electrodes, on the influence of light on
polarized, 17.
Electro-magnetism, on, 25.
Elementary bodies, on the indestructi-
bility of, 6.

Ellis (R. L.) on the cause of the instine-
tive tendency of bees to form hexagonal
cells, 122.

England, woollen manufacture of, 158; on
the history of flax-spinning in, 184.

Entomostraca, 77.
Enys (J. S.), photographs of quarries
near Penrhyn, showing the structure
of granite, 80.

Equilibrium, on the conditions of, in a
rotating spheroid, 5.
Ethnology, 143.
Examinations, on the progress of the prin-
ciple of open competitive, 175; on

public service, academic, and teachers',
176.

Eye, on the structure of the choroid coat
of the, 141.

Eye-ball, on the form of the, 139.
Eyton (T. C.) on the arrangement of birds,
122; on the oyster, 123.

Fens of Lincolnshire, on the, 113.
Fibres, Indian, 195.

Fishes, on the fossil, and yellow sand-
stone, 74; of the lake district, 122.
Fison (Mrs. W.) on the importance of a
colonial penny postage, viewed in rela
tion to the advancement of science and
Christian civilization, 177.
Flagstones, Yorkshire, and their fossils, 78.
Flax-spinning in England, on the history
of, 184.

Foramen centrale of the retina, on vision
through the, 7.

Fossils, on a remarkable deposit of car-
bonate of lime about, in the lower lias
of Dorsetshire, 51; of the Yorkshire
flagstones, 78; on certain vermiform,
found in the mountain limestone dis-
tricts of the N. of England, 80; on the
distortion of, 81; on some remarkable
Yorkshire, 223.

Foulle (Dr.) on some observations con-
nected with the anatomy and functions
of the third, sixth, and seventh pairs of
nerves and the medulla oblongata, 134.
Fowler (Richard) on the sensational,
emotional, intellectual, and instinctive
capacities of the lower animals com-
pared with those of man, 134.

Fowler (R. J.) on the estimation of acti-
nism, 47.

Free trade, in Belgium, 184; on the re-
sults of, 201.

Frome, on triassic beds near, 93.

Gages (Alphonse) on a method of ob-
servation applied to the study of some
metamorphic rocks, and on some mole-
cular changes exhibited by the action
of acids upon them, 48; on a new va-
riety of pyro-electric wavellite, 49.
Galton (F.) on a hand heliostat for the
purpose of flashing sun signals from
on board ship or on land in sunny cli-
mates, 15; on a hand heliostat, 211.
Gamma Virginis, on the results of the
measures of, for the epoch 1858, 29.
Gardens, suburban, 117.
Garner (Robert) on the anatomy of the

brain in some small quadrupeds, 123.
Gassiot (J. P.) on induced electrical dis-
charges taken in aqueous vapour, 25;

Gladstone (Dr.) on some optical proper-
ties of phosphorus, 15; on the fixed
lines of the solar spectrum, 17; on re-
ciprocal decomposition between salts
and their acid solvents, 50.

Gladstone (George) on a remarkable de-
posit of carbonate of lime about fossils
in the lower lias of Dorsetshire, 51.
Glass, flint, and potash, on the phospho-
rescent appearance of electrical dis-
charges in a vacuum made in, 26; on
the peculiar action of mud and water
on, 45.

Globes, on the special printing of, 154.
Glynn (Joseph) on the economy of water
power, 212.

Gneiss rocks in the N. of Scotland, on the
age and relations of the, 96.
Gold discoveries the cause of a deprecia-
tion of the precious metals, 174.
Gore (George), apparatus showing the
correlation of forces, and heating ef-
fects, by mechanical operations, on a
peculiar form of antimony, 26.

Greenhow (H. M.) on the people of Oude,
and of their leading characteristics, 151.
Grove (W. R.) on the influence of light
on polarized electrodes, 17.
Guns and cannons, on the bursting of,

221.

Harrison (J. Park) on lunar influence on
temperature, 36.

Hart (William), on an improved electric
lamp invented and manufactured by,

55.

Hartwell House Observatory, on a new
variable star (R. Sagittarii) discovered
at, 29.

Heat, 6; on the distribution of, in the
interior of the earth, 23; on some ex-
periments on radiant, involving an
extension of Prévost's theory of ex-
changes, ib.

Heliostat for the purpose of flashing
sun signals, from on board ship or
on land, in sunny climates, 15; on a
hand, 211.

Hennessy (J. Pope) on Dr. Whewell's
views respecting the nature and value
of mathematical definitions, 3; on
some properties of a series of the
powers of the same number, 4; on
the causes of the fall in price of manu-
factured cottons, 178; on some of the
results of the Society of Arts' Examin-
tions, 180.

Hennessy (Prof.) on the heating of the
atmosphere by contact with the earth's
surface, 36; on the decrease of tempe-
rature over elevated ground, ib.

Herschel (Sir J. F. M., Bart.), address to
the Chemical Section, 21.
Heywood (James) on public service, aca-
demic, and teachers' examinations, 176.
Higgins (Rev. H. H.) on the death of the
common hive bee, supposed to be oc-
casioned by a parasitic fungus, 124;
on the liability of shells to injury from
the growth of a fungus, 128.

Hincks (Rev. T.) on a new species of
Laomedea, 126; on some new and in-
teresting forms of British zoophytes,
128.

Hopkins (William), address to the Geolo-
gical Section, 72.

Hopkinson (J.) on the cause of steam-
boiler explosions, and means of pre-
vention, 212.

Hotham, on the comparative geology of,

96.

Huggate, on meteorological observations
at, for 1857, 38.

Huggon (W.) on the alkaline waters of
Leeds, 51.

Humphry (G. M.) on the homology of
the skeleton, 126.

Hunt (Robert) on the mineral produce of
Yorkshire in 1857, 181.
Huxley (Prof. T. H.) on the genus Pte-
raspis, 82.

Hwang-ho, on the, 152.
Hyperbola, on a mode of constructing the
rectangular, by points, 5.

Ichthyolite found in the Devonian slates

of East Cornwall, 223.
Induction coil, on an improved, 26.
Industrial classes, on the investments of
the, 168.

Investments of the industrial classes, on
the, 168.

Iodine, on M. de Luca's claim to be the
discoverer of the non-presence of, in
the atmospheric air, rain-water, and
snow, 56.

Ireland, manner in which agricultural
statistics are collected in, 176.
Iron, pig, on the manufacture of, in the
neighbourhood of Leeds, 204.

Iron trade of Leeds, 183.

James (Colonel) on refraction, 38; on the
geometrical projection of two-thirds of
the surface of the sphere, 151.
James (James) on the worsted manufac-
tures of Yorkshire, 182.

Jones (E.) on the drainage of the metro-
polis, 213.

Jones (H. Bence) on Prof. Schönbein's
latest experiments on the allotropic
conditions of oxygen, 52.

Joy (D.) on the application of mechani-
cal power to the bellows of organs,
213.

Kanikars, a hill-side tribe in Travancore,
notice of the, 148.

King (Prof. W.) on the jointed structure
of rocks, particularly as developed in
several places in Ireland, 83.
Kitson (James, jun.) on the iron trade
of Leeds, 183.

Kraw, on the project of a canal across the
isthmus of, 153.

Ladd (W.) on an improved induction
coil, 26; on improvements in micro-
scopes, 143.

Lake district, on the fishes of the, 122;
observations on the, 149.
Lamp, on an improved electric, 55.
Lancashire, north, on the hæmatite ores
of, 106.

Language:-no test of race, 150; on the
general distribution of the varieties of,
and physical conformation, 151; on
the race and, of the gipsies, 195.
Lankester (Dr. E.) on an instrument for
measuring the constant intensity of
ozone, 52.

Laomedea, new species of, 126.
Latham (Dr.) on the general distribution
of the varieties of language and physical
conformation, with remarks upon the
nature of ethnological groups, 151.

Lawes (J. B.) on the animal yield of ni-
trogen per acre in different crops, 52.
Lead, on the action of hard waters upon,
54.

Leaves, on the colours of, 115.

Lee (Dr.) on the results of the measures

of Gamma Virginis for the epoch, 1858,
as determined by Admiral Smyth, 29;
on the daily comparison of an aneroid
barometer with a Board of Trade baro-
meter by captains of ships at sea, 38.

Leeds, on the alkaline waters of, 51; on
the sanitary and industrial economy of
the borough of, 164; on the iron trade
of, 183; on the manufacture of pig
iron in the neighbourhood of, 204;
on the roof of the new Town Hall at,
207.

Lens, on certain abnormal structures in
the human crystalline, and of animals, 7;
on the crystalline, of the cuttle-fish,
10; on Prof. Petzval's new combina-
tion, 13.

Lewes (G. H.) on the spinal chord a sen-
sational and volitional centre, 135.

Lichens, on calorific, 45.

Light, 6; on the use of amethyst plates
in experiments on the polarization of,
13; on the influence of, on polarized
electrodes, 17.

Lighthouse, floating, on a proposed,
218.

Limestone districts of the N. of England,
on certain vermiform fossils found in
the, 80.

Lincolnshire, on the fens and submarine
forests of, 113.

Lindsay (Dr. W. Lauder) on the action
of hard water upon lead, 54.

Local Industry, on some of the articles
shown in the mechanical section of the
Leeds exhibition of, 206.

Lockhart (William) on the Yang-tse-keang
and the Hwang-ho, or Yellow River,

152.

Lungs, on the quantity of carbonic acid
evolved from the, under the influence
of various agents, 142.

Macadam (Dr. Stevenson) on M. de
Luca's claim to be the discoverer of the
non-presence of iodine in the atmo-
spheric air, rain-water, and snow, 56;
on the production of a frosted surface
on articles made of aluminium, ib.

Macintosh (John) on the application of
combustible compounds to be used in
war, 214; on constructing and laying
telegraph cables, ib.

Maclean (J.) on the submersion of electric
cables, 215.

Mæren (M. Corranader) on free trade in
Belgium, 184.

Magnetic dip at Stockholm, on the, 27.
Magnetic force, on the intensity of the
terrestrial, 24.
Magnetism, 24; on the development of a

physical theory of terrestrial, 25.
Man, on the sensational, emotional, in-
tellectual, and instinctive capacities of
the lower animals, compared with those
of, 134; on the effects of commixture,
locality, climate, and food on the races
of, 149.

Marine engines, on double cylinder ex-
pansion, 210.

Markham (C.R.) on the navigation of the
Ucayali, an affluent of the Amazons,

153.

Marshall (J.G.) on the geology of the
Lake District in reference especially to
the metamorphic and igneous rocks,
84; on the history of flax-spinning in
England, especially as developed in the
town of Leeds, 184.

Mathematical definitions, on Dr. Whe-
well's views respecting the nature and
value of, 3.
Mathematics, 1.

Matthews (William), photograph of the
quarry of Rowley Rag at Ponk Hill,
Walsall, 93.

Matthiessen (J.A.) on the combustibility
and other properties of the rarer metals,
57.

M'Craw (W.) on a new, cheap, and per-
manent process in photography, 18.
Mechanical Science, on the progress of,

201.

Medulla oblongata, on the anatomy and
functions of the third, sixth, and seventh
pairs of nerves of the, 134.
Mercer (John) on chromatic photographs,
57; on the relation of the atomic
weights of the families of the elements,
ib.; on the atomic weights of the ele-
ments of six chemical families, 59.
Metals, on the expansion of, 46; on the
combustibility and other properties of
the rarer, 57.

Meteorological observations at Huggate
for 1857, 38.
Meteorology, 35.
Micrometer, on the ocular crystal, 19.
Microscopical apparatus, 143.

Middlesex Sessions, on the degree of
education of persons tried at the, 168.
Milligan (John) on the pressure of the
atmosphere, and its power in modifying
and determining hæmorrhagic disease,
138.

Milner (W.R.) on the influence of various
circumstances in causing gain or loss in
the weight of prisoners in Wakefield
convict prison, 139.

Mineral produce of Yorkshire in 1857,
181.

Minerals, on determining the temperature
and pressure at which various, were
formed, 107; on some peculiarities in
the arrangement of the, in igneous
rocks, ib.

Monetary laws, on distinctions between
money and capital, interest and dis-
count, currency and circulating me-
dium, to be observed in the reform of
our, 197.

Mont Blanc, on an ascent of, 39.
Moon blindness, 19.

Moore (C.) on triassic beds near Frome,
and their organic remains, 93.

Moorsom (Vice-admiral) on the perform-
ance of steam vessels, the functions of
the screw, and the relations of its dia-
meter and pitch to the form of the
vessel, 215.

Mortality, rate of, in the metropolitan
improved dwellings for the industrial
classes, 164.

Müller (Dr. S.), a geognostic sketch of
the western position of Timor, 153.
Murchison (Sir R. I.) on recent researches
among the older rocks of the Highlands
of Scotland, 94; address to the geogra-
phical and ethnological section, 143;
letter to, on the project of a canal across
the isthmus of Kraw, which divides the
gulf of Bengal from that of Siam, 153.
on a proposed floating

Murphy (J. (J. J.)
lighthouse, 218.

Naylor (William) on a new double acting
steam hammer, 218.

Neison (F. G. P.) on phthisis in the
army, 189.

Newmarch (William) on the history of
prices of 1857 and 1858, 194; on the re-
cent history of the Crédit mobilier, ib.
Nicol (Professor James) on the age and
relations of the gneiss rocks in the N.
of Scotland, 96.

Nith, on the origin of the breccias of the
southern portion of the valley of the, 81.
Nitrogen, on the annual yield of, per
acre, in different crops, 52.

Nitroglycerine, on, 47.
Norwood (Rev. T. W.) on the compara-
tive geology of Hotham, near South
Cave, Yorkshire, 96; on the race and
language of the gipsies, 195.
Nourse (W. E.C.) on the colours of leaves
and petals, 115.

Nova Scotia, on the vegetable structure
visible in the coal of, 80.
Number, on some properties of a series
of the powers of the same, 4.
Nunneley (T.) on the form of the eye-
ball, and the relative position of the
entrance of the optic nerve into it in
different animals, 139; on the structure
of the retina at the punctum centrale, or
foramen of Semmering, 141; on the
structure of the choroid coat of the eye,
and more particularly on the character
and arrangement of the pigmentary
matter, ib.

Odling (Dr. W.) on the atom of tin, 58.
Oldham (James) on the Gresham buoy,
for recording the loss of missing ships
at sea, 219.

O'Neill (J.) on a plan for giving alarms
in passenger trains, 219.

Optical illusions of spectral phænomena,
on an apparatus for exhibiting, 14.
Ores, hæmatite, of North Lancashire and
West Cumberland, 106.

Organs, on the application of mechanical
power to the bellows of, 213.
Osler (F.) on the construction of a portable
self-registering anemometer for record-
ing the direction and amount of hori-
zontal motion of the air, 38.

Oude, on the people of, and their leading
characteristics, 151.

Owen (Prof.) on a new genus (Dimorpho-
don) of Pterodactyle, with remarks on
the geological distribution of flying fly rep-
tiles, 97; on remains of new and gigan-
tic species of Pterodactyle (Pter. Fittoni
and Pter. Sedgwickii) from the Upper
Greensand near Cambridge, 98.

Oxide, chromic and ferric, on the car-
bonate of, 69.

Oxygen, on Prof. Schönbein's latest ex-
periments on the allotropic conditions
of, 52.