Hurtzig, A.C., Miller prize awarded to, 169, 177.

Hydraulic mining in California, 337.

Illeck, J., on the discharge of permanent gases, with reference to the hypothesis

of Saint-Venant and Wantzel, 384.

Inch, R. H., elected associate, 135.

Inglis, J. W., transferred member, 136.

Ingram, A. J., elected associate, 135.

Iron ores of Galdames and Somorrostro, Spain, analyses of, 247, 248.-Company
for working, 237, et seq.

66

‘Irrigation in the South of France, department of the Bouches-du-Rhone,” 213.
-Geographical position, rainfall, and natural productions of the irrigated
district, 213.-The River Durance, 215.-The Craponne canal, 218.-The
Alpines canal, 219.-The Marseilles canal, 220.-The Verdon canal, 224.—
Mode of irrigation, 227.-Great benefits derived from irrigation, as exemplified
by the increased productiveness of the soil, 230.-Cost per acre in putting the
land under irrigation and establishing meadows, 231.—Drowning the land to
destroy the phylloxera, 232.-Rates charged for the use of water, 235.-Prizes
offered by the French government for the development of cultivation by
irrigation, 236.

Irvine, J., elected associate, 135.

Jamieson, J. L. K., remarks as to the progress of steam shipping, 63.-Ditto as
to the labours of John Elder and Charles Randolph in that direction, 63.-
Ditto as to the diagrams taken from the engines of the "Bogotá" in 1860,
63.-Ditto as to the danger of too much interference on the part of the Board
of Trade, 64.

Jones, Major H. H., R.E., training works of the Lower Ganges canal, 363.

J. E., admitted student, 136.

Jopp, J. G., elected member, 135.

Keefer, T. C., elected member, 135.

Keller, K., on travelling cranes with self-adjusting balance weights, 326.

Kierzkowski, C. F. de, transferred member, 136.

Kilgour, G., transferred member, 136.

Kilnsea, encroachments of the sea at, 192.

Kirkham, T. N., jun., admitted student, 136.

Kitson, F. W., decease of, 166.

H. E., admitted student, 1.

Kleitz, M., theoretical investigation of the variable motion of fluids, and its
application to the propagation of the floods of rivers, 356.

Knight, R. V. J., remarks as to the progress of steam shipping, 130.-Ditto as to
the retention of 6 for the factor of safety, 130.-Ditto as to some experiments
on the strength of riveted joints, 131.-Ditto as to the sufficiency of a factor of
safety of 4, 134.-Ditto as to screwed stays, 134.

Knowles, G., transferred member, 1.

Körting, B., on Körting's steam-jet scrubber, 386.

Laguesse, L., on a 12-mètre Guibal fan, 346.

Lake Fucino, drainage of, 367.

Lamport, C., remarks as to steam shipping, 19.-Ditto as to the indicator
diagram giving no record of what went on in the engine, 19.-Ditto as to
measuring the amount of heat wasting through the chimney, 20.-Ditto as to
government subsidies, 20.-Ditto as to the greater length of ships being due to
the disuse of sails rather than to the substitution of iron for wood, 20.-Ditto
as to the substitution of Landore steel for ordinary iron, 21.-Ditto as to the
imperfect character of the screw propeller, 21.

Lavoinne, M., the St. Louis Bridge over the Mississippi, 293.

Law, H., remarks as to a cofferdam for the graving dock at Rio de Janeiro,
157.-Appointed one of the scrutineers of the ballot for council, 161.-Vote of
thanks to, 162.

Leaf, A. H., admitted student, 1.
Lean, C., transferred member, 1.

Le Mesurier, C. B., memoir of, 266.

Lencauchez, A., the production of zinc in blast furnaces, 332.

Lestang, M., Mallet's locomotives with compound cylinders, 314.
Lilley, T. 1., elected associate, 135.

Limes, on the, and cements of Casale, Piedmont and Liguria, 284.
Locomotives, on lubricating the flanges of the leading wheels of, 315.
with compound cylinders, Mallet's, 314.

Lontin system, dynamo- and magneto-electric machines of the, 397.
Lowe, J. H., elected member, 135.

Lynde, F. G., elected associate, 135.

J. H., transferred member, 136.

McDonald, J. A., admitted student, 136.

McDonnell, A., Telford premium awarded to, 169, 176.

Macdougall, A., elected member, 135.

MacIver, D., M.P., remarks as to steam shipping, 31.-Ditto as to the Board of
Trade standard of efficiency not being excessive, 31.-Ditto as to the necessity
of further legislation, as regards Board of Trade supervision, 32.-Ditto as to
the necessity of second-rate ships for part of the carrying trade, 33.-Ditto as
to the prevention of disaster by punishment for misdemeanour being unfair to
the shipowner, 33.

Mackay, J. C., Miller prize awarded to, 169, 177.

Mackenzie, J., remarks as to the progress of steam shipping, 97.-Ditto as to the
rapid decay of boilers using distilled water being due to galvanic action, 97.
Maclachlan, A., admitted student, 1.

Magnetic constants of nickel, 390.

Magneto- and dynamo-electric machines of the Lontin system, 397.

Mallet's locomotives with compound cylinders, 314.

Manby and Telford premiums, Telford and Watt medals, and Miller Scholarship
and prizes awarded, session 1876–77, 169, 176.—List of subjects for, session
1877-78, 178.

Manby, C., Honorary Secretary, vote of thanks to, 162.

Mann, I. J., Telford premium awarded to, 169, 176.

Manuel, D., elected associate, 135.

Marshall, F. C., remarks as to the progress of steam shipping, 97.-Ditto as to the
consumption of fuel on some Mediterranean voyages being as low as 1.05 lb.
per indicated HP., 97.-Ditto as to 1.5 lb. being maintained for several voyages,
98.-Ditto as to the reduction to be hoped for being 50 per cent. rather than 20,
98.-Ditto as to the relative performances of the "King Coal" with simple-
expansion, and the "Glenmanna" with compound engines, 99.-Ditto as to the
saving of coal effected by compound engines, 99.-Ditto as to the advantage
of the newest form of Woolf engine, 100.-Ditto as to its loss of efficiency with.
the most careful management being 5 per cent., 100.-Ditto as to the four
cylinder compound engines of the White Star line, 100.—Ditto as to the com-
parative efficiency of the simple expansion engine, the receiver compound engine,
and the Woolf engine, 100.-Ditto as to the advantage of uniformity in the
Board of Trade rules, 100.-Ditto as to the laxity in construction prevalent
prior to these rules, 101.-Ditto as to the willingness of Board of Trade officers
to meet requirements of any special case, 102.—Ditto as to the improvements
and novelties introduced under the Board of Trade, 102.

Martin, H. R. H., elected associate, 135.

Mason, W. J., elected associate, 135.

Matthiessen, E. W., on an iron steam dredger at Hussum, Schleswig-Holstein, 365..
May, R. C., appointed one of the scrutineers of the ballot for council, 161.-Vote
of thanks to, 162.

Medals, Telford and Watt, Telford and Manby premiums, and Miller Scholarship
and prizes awarded, session 1876-78, 169, 176.-List of subjects for, session
1877-78, 178.

Medley, E. B., Sutlej river training works at Adamwahan, 364.

Mercury ores, on a new furnace for, 329.

Merrifield, C. W., remarks as to steam shipping, 17.-Ditto as to the limit for the
length and size of ships, 17.-Ditto as to the indicator diagram giving no record
of what took place in the boiler or in the fire, 17.-Ditto as to the screw being
worked with a great loss of power, 17.-Ditto as to the theoretical limits of the
efficiency of the engine, 18.-Ditto as to the importance of economising coal in
long steam lines, 18.-Ditto as to the interference of the Board of Trade, 18.
Merryweather, H., elected associate, 135.

Middleton, R. E., remarks as to the progress of steam shipping, 102.-Ditto as to
an instance of steady running of a single engine in the "Emily B. Soudar" in
the Gulf stream, 102.-Ditto as to the relative increase of foreign steam and
sailing vessels since 1850, 103.

Miller fund, referred to in the annual report, 170.

Scholarship and prizes, Telford and Watt medals, and Telford and
Manby premiums awarded, session 1876-77, 169, 176.-List of subjects for,
session 1877-78, 178.

L. M., elected associate, 135.

Milsom, B. P., elected associate, 135.

Mining, hydraulic, in California, 337.

Minutes of Proceedings, referred to in the annual report, 168.

Molesworth, G. L., graphic diagrams for the strength of teak beams, 286.

Moncel, T. du, proportions of electro-magnets, 395.

Monkewike, encroachments of the sea at, 196.

Morel, O., new mode of duplex transmission, 393.
Morton, W., elected member, 135.

Moy, T., remarks as to the progress of steam shipping, 64.-Ditto as to the great
difference between the indicated HP. and the useful effect, 65.-Ditto as to the
loss of power being caused by the unfavourable action of the propeller blades
on the current of water at the stern, 65.—Ditto as to suggested improvement in
the position of the screw, 65.

Muir, E., transferred member, 136.

Munich, water supply and sewerage of, 382.

Nelson, F., admitted student, 1.

Newsam, encroachments of the sea at, 195.

Nickel, magnetic constants of, 390.

on the treatment of oxidised ores of, 335.

North, E. P., wing dams in the Mississippi, 362.
Nozzle, Shaw's spiral exhaust, 325.

Oils, paraffin, on the manufacture of gas from, 388.

Olavegoya, O., elected associate, 136.

Original communications, list of subjects for, session 1877-78, 178.—Instructions
as to preparing ditto, 182.

Owthorne, encroachments of the sea at, 195.

Paddon, W. V., admitted student, 1.

Paraffin oils, on the manufacture of gas from, 388.

Parish, A. W., admitted student, 136.

Parker, W. C., elected member, 135.

Parkes, H., admitted student, 1.

Penny, A., transferred member, 1.

S., admitted student, 136.

Perkins, H. F., admitted student, 1.

L., remarks as to steam shipping, 44.-Ditto as to Perkins boilers
working with from 350 to 400 lbs. pressure, 45.-Ditto as to the efficiency of
the steam-jacket with high-pressure steam, 45.—Ditto as to frequent firing
being more injurious to boilers than long voyages or rough sea usage, 45.
Perry, A., elected associate, 136.

Phipps, G. H., remarks as to steam shipping, 49.—Ditto as to the construction
and management of Froude's dynamometer, 49.-Ditto as to the loss of
power occasioned by the screw pushing away the water which ought to be helping
the ship behind, 49.-Ditto as to the resistance on ships' surfaces being less
than in pipes, 50.-Ditto as to the difference in power exhibited by the indicator
and the dynamometer being due to friction, 50.-Ditto as to the usefulness of
the rules laid down by the Board of Trade, 50.

Phylloxera, Faucon's method of eradicating the, as adopted in the South of France,
referred to, 232 et seq.

Pichler, A., on a new furnace for mercury ores, 329.

Pickwell, R., "The Encroachments of the Sea from Spurn Point to Flamboro'
Head, and the Works executed to prevent the Loss of Land," 191.

Pier, Sestão, of the Bilbao Iron Ore Company, description of the, 243 et seq.
Pim, Capt. B., R.N., M.P., remarks as to steam shipping, 47.-Ditto as to the
great importance of the mercantile marine, 47.-Ditto as to the risks run by
the long, narrow steam ships of the present day, 48.

Pine, A., admitted student, 136.

Pins, proportions of eye-bar heads and, as determined by experiment, 287.
Pipes, canals, and uniform rivers, properties common to, 359.

Pitt, W., elected associate, 136.

Platt, S. S., admitted student, 1.

Pneumatic caisson foundations of the Prague-Smichow bridge, 288.

Port of Amsterdam, new quays and docks at, 378.

of Dublin, description of cofferdams used at the, 137. Vide also Cofferdams,
of Havre, the, 371.

Potter, W. F., elected member, 135.

Premiums, Telford and Manby, and Telford and Watt medals and Miller Scholar-
ship and prizes awarded, session 1876-77,176, 177.-List of subjects for, session
1877-78, 179.

Prickett, L. G., admitted student, 136.

Prince, H., remarks as to the system of under-sinking foundations, as practised
in India, instead of using cofferdams, 154.

Publications of the Institution, referred to in the annual report, 169.

Quays and docks, new, at the port of Amsterdam, 378.

Quelch, R. J., remarks as to Board of Trade regulations for safety-valves, 35.
Quinette de Rochemont, Baron, the port of Havre, 371.

Rails, experiments on steel, 313.

--, on the duration of steel and iron, 311.

Railway carriages, warming, 316.

Philadelphia and Reading, coal depôt of the, 309.

Galdames and Sestão, of the Bilbao Iron Ore Company, description of

Ravenhill, J. R., remarks as to steam shipping, 51.—Ditto as to the increase of ton-
nage in the mercantile navy registered in London in 1876 as belonging to the
British Empire, 51.-Ditto as to the superiority of the screw over the paddle-
wheel, 51.- Ditto as to the superiority of iron as a material for shipbuilding, 51.—
Ditto as to the advantage of the compound engine, 52.-Ditto as to the
friction in large machines being lessened by having the brasses studded with
pegs of white metal, 52.-Ditto as to the speed of ships on the Pacific Line
having increased from 8 knots to 12.96 knots per hour, 53.—Ditto as to the
usefulness of subsidies, 53.-Ditto as to the onerous duties to be performed by
the Board of Trade, 54.-Ditto as to the manner in which new discoveries should
be dealt with by them, 55.-Ditto as to the improvements introduced in the
steel mail packets of the London Chatham and Dover Railway Co., 55.-Ditto
as to Whitworth's patent metal, and hollow screw shaft, 56.-Ditto as to the
advantage of twin screws, 56.-Ditto as to the inefficacy of safety-valves, 57.
Rawson, F. L., admitted student, 136.

Read, R. J. G., Miller prize awarded to, 169, 177. .

Receipts and expenditure, abstract of, from the 1st of December, 1876, to the 30th
of November, 1877, 172. Vide also Report.

Redman, J. B., remarks as to the progress of steam shipping, 103.-Ditto as to the