Cyanogen, Thomas Fairley on, 54.

Dales, J. Clerk Maxwell on hills and,

17.

*Date-palm, Prof. A. Dickson on the
embryo of the, 115.

Davis (A. S.) on the distribution of
cometic perihelia, 22.
Dawkins (W. Boyd) and G. Busk on the
discovery of platycnemic men in Den-
bighshire, 148; on the exploration of
the Victoria Cave, Settle, Yorkshire,
148.

Deacon (George F.) on the efficiency of

furnaces and mechanical firing, 211.
Deacon (Henry) on a new chlorine pro-
cess without manganese, 54.
Decimal money, W. Westgarth on, and
a common international unit, 205.
Decomposition, reciprocal, J. H. Glad-
stone on, viewed with reference to
time, 57.

*De Meschin (Dr. Thomas) on the impo-
licy, on economic grounds, of convert-
ing the national debt into terminable
annuities, 196; on the compulsory
conversion of substantial leaseholds in
towns into freeholds, 196.
Denbighshire, G. H. Morton on the
mountain limestone of Flintshire and
part of, 82.

W. B. Dawkins and G. Busk on
the discovery of platycnemic men in,

148.

Denton (J. Bailey), some remarks on the
extent to which existing works and
practice militate against the profitable
utilization of sewage, 212.

Desert flora of North America, Dr. C. C.
Parry on the, 122.

Dewar (James) on thermal equivalents
-1. Fermentation; 2. Oxides of chlo-
rine, 54.

*Diamonds of South Africa, Prof. J.
Tennant on the, 88.
*Dickson (Prof. Alexander) on the em-
bryo of the date-palm, 115.
Dip-circle, Dr. J. P. Joule on a new,

25.

*Dixon (W. Hepworth) on the Holy
Islands in the White Sea, 169.
Dohrn (Dr. Anton) on the foundation
of zoological stations, 115.
*Duncan (Prof. P. M.) on the geologi-

cal changes which have occurred since
the first traces of man in Europe, 149.
Dust as a ferment, C. R. C. Tichborne on,
65.

Dynamic theory of heat, H. Whiteside
Cook on certain objections to the, 38.

Earth's climate, R. A. Peacock on some
future and past changes in the, 82.

eccentricity, Alfred R. Wallace
on the, and the precession of the
equinoxes, illustrating their relation
to geological climate and the rate of
organic change, 89.

Earthworks at Wainfleet, Lincolnshire,
the Rev. C. Sewell on certain remark-
able, 157.

Eaton (Richard) on certain economical
improvements in obtaining motive
power, 215.

Ebalia, C. W. Peach on an, new to the
British list, 122.

*Echinoderms, Prof. Wyville Thomson
on some of the, of the expedition of
H.M.S. Porcupine,' 128.

6

Economical and Statistical Section,
Prof. Jevons's Address to the, 178.
Electric light, W. Ladd on an improved
lantern for lecture demonstrations
with, 26.

time-signal at Port Elizabeth, S.
Alfred Varley on the, 27.
Electro-deposition of copper and brass,
W. H. Walenn on the, 67.
Electro-magnetic anemometer, John J.
Hall on a new, and the mode of using
it in registering the velocity and pres-
sure of the wind, 35.
*Electrometer, Prof. Sir W. Thomson on
a new absolute, 26.

Elementary Education Bill, E. Renals on
mechanics' institutions and the, 200.
Elephants, Dr. Leith Adams on newly
discovered species of, 69.

Elliot (Sir Walter) on the habits of the
Indian rock-snake (Python molurus),

115.

Ellis (J. Walter) on the decline of small
farmers in Yorkshire and Lancashire,
the cause and effect, 190.

Ellis (the late R. Leslie) on Boole's
'Laws of Thought,' 12.

Emigration, T. A. Welton on immigra-
tion and, as affecting the increase of
population in England and Wales,
203.

Endemic diseases, Dr. T. Moffat on geo-
logical systems and, 80.

England, east of, S. V. Wood and F. W.

Harmer on the paleontological aspects
of the middle glacial formation of the,
and their bearing upon the age of the
middle sands of Lancashire, 90.
Equinoxes, precession of the, A. R.

Wallace on the earth's eccentricity |
and the, illustrating their relation to
geological climate and the rate of
organic change, 89.

Europe, Prof. Duncan on the geologi-
cal changes which have occurred since
the first traces of man in, 149.
Everett (Prof. J. D.) on a scale for com-
puting humidity, 31.

Fabrics, J. Spiller on the discrimination

of fibres in mixed, 64.
Fairley (Thomas) on cyanogen, 54; on
the distillation of sulphuric acid, 55.
Fairlie (R. F.) on the gauge of the rail-
ways of the future, 215.

Farmers, J. W. Ellis on the decline of
small, in Yorkshire and Lancashire, 190.
Farms, W. Botly on the economy of
large and small, 188.

Fauna of Magellan and Western Pata-
gonia, R. O. Cunningham on the
terrestrial and marine, 114.
Faure's battery, C. Becker on, 24.
Fedchenko (A.), topographical sketch of
the Zerafshan valley, 169.

Fell (J. B.) on the application of the
centre-rail system to a railway in
Brazil and to other mountain lines;
also on the advantages of narrow-
gauge railways, 216.

Fellowes (Frank P.), our navy, 190.
Fens of Cambridgeshire, F. W. Harmer
on some thermal springs in the, 74.
Ferment, C. R. C. Tichborne on dust as
a, 65.

Ferns, J. E. Lowe on abnormal forms of,
120.

T. M. Hall on the abnormal growth
of, 117.
Fibres in mixed fabrics, J. Spiller on

the discrimination of, 64.
Fibrin, Dr. Goodman on albumen and
its transformation into, by the agency
of water, 139.

Fins of fish, Prof. Humphry on the ho-
mological relation to one another of
the, 141.

Firing, mechanical, G. F. Deacon on the
efficiency of furnaces and, 211.
*Fish, Colonel Sir J. Alexander on the
effects of the pollution of rivers on the
supply of, 109.

Fletcher (Alfred E.) on the purification
of Sankey Brook, 55.
―, on air-pollution from chemical
works, 56.

found

Fiint-flake core, John Plant on a,
in the upper valley-gravel at Salford,

156.

1870.

Flintshire, G. H. Morton on the moun-
tain limestone of, 82.

Floating forts, S. J. Mackie on the de-
fence of Liverpool by, 219.
Flower (Prof. W. H.) on the connexion
of the hyoid arch with the cranium,
136; on the correspondence between
the anterior and posterior extremity,
and the modifications of the positions
of the limbs in the higher vertebrata,
137.

Foraminifera, H. B. Brady on brackish-
water, 113.

Forbes (David) on the utilization of
sewage, with special reference to the
phosphate process, 56.

"Forging, Lieut.-Colonel Clay on appli-
ances for the production of heavy,
211.

Forsyth (T. D.) on eastern Turkestan,
169.

Forwood (William B.) on the influence
of price upon the cultivation and con-
sumption of cotton during the past
ten years, 191.

Fossils from the railway section at
Huyton, remarks by W. Carruthers
on the, 71.

*Freeholds, Dr. De Meschin on the
compulsory conversion of substantial
leaseholds in towns into, 196.
*Frictional screw motions, G. Lauder
on, 219.

Furnaces, G. F. Deacon on the efficiency
of, and mechanical firing, 211.

Galton (Francis) on barometric predic-
tions of the weather, 31.

Galvanic battery, H. Highton on the
maximum amount of magnetic power
which can be developed by a given,

25.

Garner (R.), comparison of the thoracic
and pelvic limbs in mammalia, 137.
Gases, G. J. Stoney on the cause of the
interrupted spectra of, 41.

*Gasteropoda, British fossil, J. L. Lobley
on the stratigraphical distribution of
the, 78.

Generation, spontaneous, J. Samuelson
on the controversy on, 133.
*Genius, W. C. Dendy on the shadows
of, 149.

Geographical Section, Address by Sir
R. I. Murchison, Bart., to the, 158.
Geological changes, Prof.Duncan on the,
which have occurred since the first
traces of man in Europe, 149.

systems and endemic diseases, Dr.
Thomas Moffat on, 80.

16

*Geometry, W. K. Clifford on an unex-
plained contradiction in, 12.
Gerland (Dr. B. W.) on the action of
sulphurous acid, in aqueous solution,
on phosphates and other compounds,
56; on the occurrence of vanadium,

57.
Germ-life, Dr. F. Crace-Calvert on the
development of, 132.

Germ theory, Dr. Child on protoplasm
and the, 131.

*Germ theory of disease, W. Hope on
the antiseptic treatment of contagia
as illustrated by the, 140.
Gibson (Thomas) on abnormal petals on
flowers of Ranunculus aquatilis, 115;
on the parasitic habits of Pyrola rotun-
difolia, 116.

Gilpin (Governor) on the physical geo-
graphy of Colorado and the adjacent
regions, 170.

Ginsburg (the Rev. Dr.) on the relation
of the ancient Moabites to neighbour-
ing nations, as disclosed in the newly
discovered Moabite stone, 149.
Glacial and postglacial deposits, H. F.
Hall on the, in the neighbourhood of
Llandudno, 72.

middle, formation of the east of
England, S. V. Wood and F. W.
Harmer on the paleontological as-
pects of the, and their bearing upon
the age of the middle sands of Lanca-
shire, 90.

phenomena in the central district
of England, Rev. H. W. Crosskey on
the, 72.

Gladstone (John H.) on reciprocal de-
composition viewed with reference to
time, 57.

Glaisher (James) on the temperature of
the air at 4 feet, 22 feet, and 50 feet
above the ground, 33.

Gold, Dr. J. Bryce on the matrix of the,
found in the Scottish gold-fields, 70.
Gold-fields, Sir J. Swinburne on the
South-African, 176.
Gold-quartz crystal, T. A. Readwin on a
Merionethshire, and on some stream
gold recently found in the river Mawd-
dach, 84.

Goodman (Dr. John) on albumen and its
transformation into fibrin by the
agency of water, 139.

Gordon (A.) on the prevention of lead-
poisoning in water, 60.

Gossage (W.) on soda manufacture, 58.
Granite, James Thomson on the occur-
rence of pebbles and boulders of, in
schistose rocks in Islay, 88.

Grant (Colonel J. A) on the vegetable
products of Central Africa, 117, 229.
Gravel-beds, G. J. Stoney on the recent
formation of, resembling middle drift,
86.

Gray (Dr. J. E.) on the whalebone-
whales of the southern hemisphere,
117; on the Portuguese anchor-sponge
(Pheronema Grayi), 117.

Green slates, Prof. Harkness and H. A.
Nicholson on the, and porphyries from
the lake-district, 74.

Grierson (Dr.) on variation of colouring
in animals, 140; on carved stones re-
cently discovered in Nithdale, Scot-
land, 150.

Gunn (Rev. J.) on the formation of
boulder-clays and alterations of level
of land and water, 72.

Hadramaut, W. Munzinger on a journey
into the interior of, 172.
Hæmatozoa, Dr. Cobbold on the heart
of a Chinese dog containing, 135.
Hainan, R. Swinhoe on the natural his-
tory of, 128.

R. Swinhoe on the island of, 176.
Hall (Hugh F.) on the glacial and post-
glacial deposits in the neighbourhood
of Llandudno, 72.

Hall (John J.) on a new electro-magne-
tic anemometer and the mode of using
it in registering the pressure and velo-
city of the wind, 35.

Hall (T. M.) on the abnormal growth of
ferns, 117.

*Hammering and stone-dressing ma-
chinery, Dr. J. H. Lloyd on, 219.
Hancock (Albany) on the larval state of
Molgula, with descriptions of several
new species of simple Ascidians, 118.
Harcourt (A. Vernon) on a method for
the determination of sulphur in coal-
gas, 59.

Hargreaves (James) on the separation
from iron-furnace cinder of phosphoric
acid for manurial purposes, 60.
Harkness (Prof.) and H. A. Nicholson
on the green slates and porphyries of
the lake-district, 74.

Harkness (Prof.) on the discovery of a
kitchen-midden at Balycotton, in co.
Cork, 150.

Harley (the Rev. R.) on Boole's 'Laws
of Thought,' 14.
Harmer (F. W.) on some thermal springs
in the fens of Cambridgeshire, 74.

and S. V. Wood on the palæonto-
logical aspects of the middle glacial
formation of the east of England and

Heat-engine, A. W. Bickerton on a new,
208.

Hebrides, J. S. Phené on a recent exa-
mination of British tumuli and monu-
Iments in the, and on the western coast
of Scotland, 155.

Heine (General W.) on lines for a ship-
I canal across the American isthmus,
170.

*Henry (Prof. J.) on the rainfall of the
United States, 36.

Heywood (James) on the aptitude of
North-American Indians for agricul-
ture, 193.

Highton (II.) on the maximum amount
of magnetic power which can be de-
veloped by a given galvanic battery,
25; on artificial stone and various
kinds of silica, 60.

Hill (Dr. Berkeley) on the statistics of
the contagious diseases acts, 194.
Hills and dales, J. Clerk Maxwell on,
17.

Hip-bones and muscles, Prof. Humphry

on the comparison of the shoulder-
· bones and muscles with the, 140.
*Hitchman (Dr. W.) on the anatomy of
the intellect, 151.

*Holden (Dr. T. Sinclair) on some forms

of interment in co. Antrim, 151.
Holmes (S.) on the new binocular mi-
croscope, 39.

*Hooper (William) on the North-China
and Japan submarine cables, 219.
*Hope (William) on the antiseptic treat-
ment of contagia as illustrated by the
germ-theory of disease, 140; on the
history of the shell that won the battle
of Sedan, 219.

Howlett (Rev. F.) on solar spots ob-
served during the past eleven years,

23.
Howorth (H.H.) on the Massagetæ and

Saca, 151; on the pre-Turkish Fron-
tagers of Persia, 151; on the Avares,
152.

Hudson (Dr. Henry) on the wave theory
of light, heat, &c., 39.

Hull (Prof. Edward) on the extension
of the coal-fields beneath the newer
formations of England and the succes-
sive stratigraphical changes to which
the carboniferous rocks have been sub-
jected, 74.

Humidity, Prof. J. D. Everett on a scale
for computing, 31.

Humphry (Prof.) on the comparison of
the shoulder-bones and muscles with
the hip-bones and muscles, 140; on
the homological relation to one an-
other of the fins of fish, 141.
*Hurter (Dr.) on the time needed for
the completion of chemical change,60.
*Huxley (Prof.) on the relations of Pe-
nicillium, Torula, and Bacterium, 119.

a statement in reply to the two
objections of, relative to certain ex-
periments, 129.

Huyton, Charles Ricketts on sections of
strata between St. Helen's and, 85.

remarks by W. Carruthers on the
fossils from the railway section at, 71.
Hyalonema, Prof. Wyville Thomson on,
and some other vitreous sponges, 128.
Hydraulic bucketting-engine for the
Herculaneum graving-dock, Liverpool,
description of the, by Percy Westma-
cott, 229.

*Hydrocarbons, Dr. MacVicar on the
typical, from marsh-gas to anthracene,
with the oxidation of the latter into
anthroquinone and alizarine, 61.
Hydrogen, W. Chandler Roberts on the
absorption of, by electro-deposited
iron, 62.

Hyoid arch, Prof. Flower on the con-
nexion of the, with the cranium, 136.

Immersion method of illumination of the
microscope, Dr. J. Barker on the, 39.
Immigration and emigration, T. A. Wel-
ton on, as affecting the increase of
population in England and Wales,
203.

India, Dr. Campbell on the duties of the

Government of India and the mer-
chants of England in promoting pro-
duction in, 188.

-, Dr. G. Campbell on the village
system in, 144.

British, Dr. G. Campbell on the
physical geography and races of, 168.
W. Parkes on non-tidal variations
of the sea-level on the coast of, 19.
Western, Capt. Taylor on the har-
bours of, 176.
Indians, North-American, J. Heywood
on the aptitude of, for agriculture, 193,

Indo-Chinese, Colonel Yule on analogies
of manners between the, and the races
of the Malay Archipelago, 178.
Induction-coil, John Browning on an,
especially arranged for use in spectrum
analysis, 25.

*Intellect, Dr. Hitchman on the anatomy
of the, 151.

Intemperance, Rev. J. Jones on, purely
with reference to Liverpool, 195.
*Interment in co. Antrim, Dr. T. Sin-

clair Holden on some forms of, 151.
International coinage, G. J. Stoney on
the effect which a mint charge has
upon the value of coins, to which is
added a proposition for securing at
once some of the advantages of, 201.
*Invertebrate, marine, fauna of the lias,
a census of the, by R. Tate, 88.
Irish cairns, E. A. Conwell on ancient
sculptures and objects of art from,
145.

Iron, W. Chandler Roberts on the ab-
sorption of hydrogen by electro-de-
posited, 62.

Islay, Scotland, J. Thomson on the oc-
currence of pebbles and boulders of
granite in schistose rocks in, 88.

Jecks (Charles) on the red and coralline
crags, 75.
Jeffreys (J. Gwyn), remarks on newer
tertiary fossils in Sicily and Calabria,
76; on a Pentacrinus from the coasts
of Portugal and Spain, 119.
Jevons (Prof. W. Stanley), Address to
the Economical andStatistical Section,

178.

Jones (Rev. John) on intemperance,
purely with reference to Liverpool, 195.
Joule (Dr. James P.) on a new dip-
circle, 25.

Judd (John W.) on the age of the
Wealden, 77.

Kaines (J.) on the racial aspects of
music, 152.

Kent (W. S.) on an existing favositoid
coral, 119.

on the affinities of the sponges to
the corals, 120.
King (Prof.) and Prof. Rowney on some
points in the geology of Strath, Isle
of Skye, 78.

King (Dr. R.) on blight in man and in

the animal and vegetable world, 141;
on the Manx of the Isle of Man, 153.
Kitchen-midden, Prof. Harkness on the
discovery of a, at Balycotton in co.
Cork, 150.

Ladd (William) on an improved lantern
for lecture demonstrations with elec-
tric light, 26.

Lake-district, Prof. Harkness and H. A.
Nicholson on the green slates and
porphyries of the, 74.

Lancashire, Dr. J. Beddoe on the an-
thropology of, 143.

—, S. V. Wood and F. W. Harmer on
the paleontological aspects of the
middle glacial formation of the east of
England and their bearing upon the
age of the middle sands of, 90.

Land and water, Rev. J. Gunn on the
formation of boulder-clays and altera-
tion of level of, 72.

Landfall of Columbus, R. H. Major on
the, 171.

*Lankester (E. Ray) on a stock-form of
the parasitic flatworm, 120; on oligo-
chatous worms, 120; note on methæ-
moglobin, 141; on the action of some
gases and vapours on the red blood-
corpuscles, 142.

*Lapworth (Charles) on the discovery of
upper Silurian rocks in Roxburgh and
Dumfriesshire, 78.

*Lauder (G.) on frictional screw motions,

219.

Laughton (John K.) on the great cur-
rents of the atmosphere, 170.
'Laws of Thought,' Boole's, the late R.
Leslie Ellis on, 12; the Rev. R. Har-
ley on, 14.

Lawson (Prof. M. A.), note on Ribes
spicatum, 120.

Lead, alloys of, copper, tin, zinc, and
other metals with manganese, J. Fen-
wick Allen on, 50.

Lead-poisoning, A. Gordon the preven
tion of, in water, 60.

Lebour (G. A.) and W. Mundle on the
tertiary coal-field of Southern Chile,
78.

*Lefthandness, Dr. P. H. Smith on,
143.

Lepidoptera, E. Birchall on some hy-
brid Sphingidæ and other, 111.
Lewis (A. S.) on the builders of the
megalithic monuments of Britain,
153.

*Lias, a census of the marine inverte
brate fauna of the, by Ralph Tate,
88.

Light, electric, W. Ladd on an improved
lantern for lecture demonstrations
with, 26.

Dr. Henry Hudson on the wave-
theory of, 39.
Lightning, S. A. Varley on the mode of