Mossblown colliery, Ayrshire, descrip-
tion of underground haulage. Dis-
cussion, 115, 203.
Mother-coal, 663.

Motors, winding-engine, variable speeds,
Zollern colliery, Germany, 621.
MOTTRAM, T. H., apparatus for control-
ling railway-wagons while loading at
colliery-screens, 207.

Mount Magnitnaia, Russia, iron ores,
728.

Mountain limestone, coal, origin, 570.
and Northumberland,
--, Durham
workable coal-seams, 549, 550.

Scotch collieries, 567, 568.
MOWAT, D. M., description of under-
ground haulage at Mossblown colliery,
Ayrshire, 115.

-

-

sinking on seashore at Musselburgh,
132.

what is least possible waste in working
coal? 114.

working of contiguous, or nearly con-
tiguous, seams of coal, 117.
MOWBRAY, JOHN DE, enquiry into the
liberties, customs, etc., of Alston
miners, 394.

Mozambique, mineral concessions, 749.
MRAZEC, L., AND L. DUPARC, iron-ores,
Troitsk, northern Urals, 729.

MUCK, JOSEF, petroleum in last century,
667.

MUIR, J. J., quoted, 315, 317, 320.

-, Sussex, 146.

history museum, South Kensington,
Crumlin meteorite, 274.

NATURAL HISTORY SOCIETY OF NORTHUM-
BERLAND AND DURHAM, museum, 79.
NAUMANN, PROF. C. F., quoted, 672.
NECHAM, earliest use of magnetic
needle in England, 514.

Nent-force level, Alston mines, 397.
NENTHEAD AND TYNEDALE LEAD AND
ZINC COMPANY, Alston mines, 395,
408, 409.

Nenthead lead-mills, etc., 398.
- mines, drainage-level, 400.
Nepheline-syenites, titanium, 643.
Neptune-bank works, Newcastle-upon-
Tyne Electric Supply Company, 607.
Netherwitton colliery, coal-seams, 555.
Neumühl colliery, Germany, 631.

- model of shaft-arrangements,
Düsseldorf exhibition, 616.
NEVIN, JOHN, member of council, elec-
tion, 94.

probability of finding workable seams
of coal in the carboniferous limestone or
bernician formation, beneath the regular
coal-measures of Northumberland and
Durham, 565.

vote of thanks, retiring president,
M., 94.

New Jersey iron, Liverpool, 155.

South Wales, commission of 1886,
435, 437.

Zealand, gold-dredging in Otago.-
Discussion, 417.

Newbattle, Victoria pit, Midlothian,
millstone grit and mountain limestone,
567.

Newbiggin, Northumberland, 422.

Newbottle collieries, Herrington pit, 65.
-, Houghton pit, 65.
Margaret pit, 63.
Newbrough colliery, 428.

Newcastle Chronicle, printing works,
583.

Newcastle-upon-Tyne Corporation tram-
ways, Manors power-house, descrip-
tion, 604.

NEWCASTLE-UPON-TYNE ELECTRIC SUP-
PLY COMPANY, LIMITED, Neptune-
bank works, 607.
Newcastle-upon-Tyne mines- inspection
district, accidents from falls, 96.

to Haydon Bridge, proposed
canal, 397, 398.
Newcraighall, Midlothian, edge coal-
seams, 126.

probability of finding workable seams
of coal in the carboniferous limestone
or bernician formation, beneath the
regular coal-measures, 549.-Discus-
sion, 563.

undersea coal, 421.-Discussion, 429.
Norway, nickel-ores, platinum, 730.
Notes of papers on the working of mines,
metallurgy, etc., from the transactions
of colonial and foreign societies and
colonial and foreign publications, 636.
on systematic timbering, 95.--Discus-
sion, 100.

701.

manganese-ore,

Officers, election, 16, 87, 94, 352.

M., 93.

M.C., 87.

N.E., 3.

N.S., 139.

S.S., 217.

Offtake-socket for coupling and uncoup-
ling hauling ropes, improved, 61.
OHIO STATE UNIVERSITY, U.S. A., 249.
OHLY, JULIUS, origin of petroleum, 666.
Oil, cylinder, Seghill colliery, 542.

as a fuel, 146.

Oil-engines, economy of, 146.
Oil-sand, origin, 666.

Oiling rollers, Garesfield incline, 578.
Ojos, Mexico, Zacatecas, 48.
Oldham, Chamber colliery, compound
condensing pumping-engine, 282.
Olive-bank colliery, Musselburgh, 126,

209.

Oliver coke-works, coke-making at.
Discussion, 158, 418.

-

Olivine, diabase, Saxony, 674.
OLSZEWSKI, DR. STANISLAUS, borings for
petroleum in Hungary, 678.
ONIONS, J. T., election, S.S., 238.
Oolitic iron-ores, Lorraine, France, 689.
Opal, precious, Germany, Dillenburg,
707.

Open-hearth furnaces, Siemens, Consett
iron-works, 593, 595.

Ophir, land of, possible site, 749.
ORDOÑEZ, EZEQUIEL, quoted, 55.
Ore-deposits, Asia Minor, 748.

699.

Austria, Bavaria, Amberg, iron,

Tyrol, Schneeberg, 682.
-, upper Carinthia, lead and zinc,
676.

Germany, Hesse Nassau, man-

ganese, 701.

Lorraine, iron, 690.

Müsen district, 704.

-, upper Silesia, genesis, 709.

Italy, Piedmont, Brosso

Traversella, 721.

origin and classification, 642.
Orientation-instrument, 504, 507.

Origin of the marbles of the Tyrol, 682.
ORNSBY, R. E., superheated steam
Seghill colliery, 544.

at

undersea coal of the Northumberland
coast, 432.

Oscillations of the soil, diurnal, 659.
OSSAT, G. DE ANGELIS D', petroleum in
Rumania, 725.

ОТЕКО, quoted, 56.

OTTO-HILGENSTOCK Coke-oven compared
with Kopper, 627.

OTTO-HOFFMANN coking-plant, Shamrock
collieries, Germany, 624.
Outcrops, coal, 662.

-, oxidised, gold-bearing, west Africa,

414.

-, sulphidic veins, Germany, altera-
tions, 702.

Over-winding, Bertram visor for pre-
vention of, Douglas colliery, 109.
Ownership of properties containing coal,
legislation and.-Discussion, 238.
Oxclose colliery, Washington, 293.
Oxidic metamorphism, sulphide veins,
664.

Ozokerite, central Asia, 740.
origin, 666.

Pachuca, Mexico, 56.

Packing, metallic, Seghill colliery, 545.
superheated steam, 543.

Palestine, phosphatic, asphaltic and
petroleum-deposits, 745.

Pandon-dene, power-station, Newcastle-
upon-Tyne Electric Supply Company,

undersea coal of Northumberland
coast, 433.

use of waste-gases from bye-product
coke-ovens in explosion-motors, 164.
PARSONS, C. A., quoted, 326.

turbine, Neptune-bank works, 609.
utilization of exhaust-steam by com-
bined application of steam-accumulators
and condensing turbines, 348.
Paruschowitz, upper Silesia, deepest
bore-hole in world, 144.

Pas-de-Calais, Bruay collieries, utiliza-
tion of exhaust-steam, 328, 329, 335,
340, 346, 347.

PATRIC OF THE GILL, 393.

southern, iron-ores, 724.

Posen, Prussia, brown coals, 694.
POŠEPNÝ, PROF. F., quoted, 43.
Posts, Northumberland, coal-field, 424,
439.

Potassium-salts, Germany, 710.

Powder, compressed, introduction into
Cleveland mines, 536.

Powell-Duffryn collieries, south Wales,
fans, 448.

Power-house, Manors, Newcastle-upon-
Tyne, 604.
Power-station,

Neptune-bank, New-

castle-upon-Tyne Electric Supply Com-
pany, 607.

Premier gas-engine, Winnington, pounds
of fuel per indicated horse-power, 152.
President, election, 352.