evaporation from the land, 117; extension of the weir, 117; composition of
cement mortar, 117; uselessness of cement rendering of reservoir-walls, 117;
use of steel pipes, 118; ambiguous use of the term "stand-pipe," 118; close
approximation of the cost of the work to the estimate, 118.-Discussion on
Strengthening and Maintenance of Early Iron Bridges: Asphalt as a preservative
covering for iron and steel, 236; contact of ballast with ironwork of bridges
undesirable, 236.

Hayford, J. F., first connection by precise levelling between the Atlantic and
Pacific Oceans, 439.

Hayward, T., memoir of, 416.

Hazen, A.-Correspondence on Coolgardie Water-Supply: Weight and strength
of the locking-bar pipe, 158; use of lead joints, 158; effect of long storage on
the quality of the water in the impounding reservoir, 158; low cost of the
work, 159.

Helps, D. H., elected associate member, 211.

Henderson, P., admitted student, 209.

W., admitted student, 209.

Henszey, J. W., organization and methods of a modern industrial works, 468.
Hepworth, W., elected associate member, 212.

Herbert, F.-Correspondence on Coolgardie Water-Supply: Strength and
economy of the locking-bar pipe, 159; determination of the economical
diameter of the pipe-line, 160; relative life of cast-iron and of wrought-steel
pipes, 161.

Hering, R.-Correspondence on Coolgardie Water-Supply: Analogy between the
meteorological conditions at Coolgardie and on the Pacific coast of the United
States, 161; quality of the Coolgardie water, 162.

Heron, E. F., admitted student, 209.

Hewitt, W., admitted student, 209.
Higgins, A. L., admitted student, 209.

Hill, A., C.I.E., Telford premium awarded to, 281.

-, G. H., elected member of council, 261.

H. C.-Correspondence on Coolgardie Water-Supply: Description of the
design and construction of the reservoir at the Belmont filtering-station,
Philadelphia, 162; ditto of the materials used, 165.

-, J. W.-Correspondence on Coolgardie Water-Supply: Pipes used in the
"Lardner's Point" distributing-system in Philadelphia, 168; specifications
and tests, 169; method of laying, 171; shifting of a 48-inch cast-iron main
while under pressure, 174; leakage of joints, 175.

Hilton, H. C., elected associate member, 211.

Hobart, H. M., and F. Punga, testing of alternating-current generators, 459.
Hodgkinson, J., admitted student, 209.

Hodgson, H. M. T., elected associate member, 211.

Hodson, C. W., C.S.I., elected member of council, 261.

Holt, P., admitted student, 209.

Hopkins, Admiral Sir J.-Discussion on Shipbuilding for the Navy: Con-
sensus of opinion in the Service against the smaller battleships, 17; increase
in weight and calibre of armaments, 17; difficulties in regard to draught and
docking of large ships, 18.

Houston, A. L., admitted student, 209.
Howell, A. P., admitted student, 209.
Howarth, B., admitted student, 209.
Hoy, N. B., admitted student, 209.

Huddart, A. H., admitted student, 209.

Hughes, W. T., admitted student, 209.

Hurley, F. A., Telford premium awarded to, 281.

track-laying machine, 428.

Hurse, A. E.-Correspondence on Coolgardie Water-Supply: Use of unwashed
ballast for making concrete, 176.

Husband, J.-Correspondence on Strengthening and Maintenance of Early Iron
Bridges: Account of the alteration and strengthening of a road-bridge over
the River Canche at Etaples, 245.

Industrial works, modern, organization and methods of a, 468.
Inglis, J. C., elected member of council, 261.

Internal-combustion engines. Preliminary Report of the Committee appointed
on the 6th of November, 1903, to consider and report to the Council on the
Standards of Efficiency of Internal-Combustion Engines, 307.—Physical con-
stants for gases: calorific value, 310; general gaseous equation, 312; weight
of cylinder-contents, 313; values of c for the mixture of air and gas in the
cylinder, 314; specific heat of gases at ordinary temperature and pressure, 315:
variations of specific heat at high temperatures and pressures, 316.—Standards
of thermal efficiency of internal-combustion engines, 317.-Ideal standard cycles;
constant-temperature type, 319; constant-pressure type, 321; constant-volume
type, 322; adoption of a standard working-fluid for the standard engine of com-
parison, 323.-Constant-volume engines, 324.-Examples of the application of
the air-engine standard, 328.-Constant-pressure engines, 329.-Appendiz:
Note on the changes in the theoretical pressure-volume and temperature-
entropy diagrams due to variations in the heat-supply, ratio of compression,
and suction temperature; by Capt. H. Riall Sankey, 333.

Irrigation. "An Example of Irrigation in the Arid Regions of the United States,"
G. F. Vollmer (S.), 363.-Location, 363; general scheme, 363; dam across
Laramie River, 364; diversion of water from Laramie River, 365; tunnel,
366; canals, 367; reservoir, 368; laterals, 368; distribution, 368; cost of
land, 369; produce, 369; total cost, 369.

Izat, J. F., admitted student, 209.

Jaffrey, W., memoir of, 417.

James, W. E., admitted student, 209.

"James Forrest" Lecture, 1905. “ Unsolved Problems in Electrical Engineering,"
Col. R. E. B. Crompton, 339.

medal, award of, 281.

Jameson, M. W., elected associate member, 211.

Jebb, G. R., elected member of council, 261.

Johnson, T. R.-Discussion on Strengthening and Maintenance of Early Iron
Bridges: Tendency of steel to rust more rapidly than wrought-iron, 234;
paints, 235; efficacy of carbon-tar in preventing corrosion, 235.

W. H., admitted student, 209.

Jones, A. S., V.C., transferred member, 212.

Jung, N. A., admitted student, 212.

Kell, C. Q., admitted student, 209.

Kennedy, Sir A. B. W., LL.D., F.R.S., elected Vice-president, 261.—Remarks
in proposing a vote of thanks to the "James Forrest" lecturer, 361.

Kennedy, J. McF., Miller prize awarded to, 282.
Kenrick, J. P., elected associate member, 211.
Kilmister, C. H., admitted student, 209.
Kincaid, H., admitted student, 209.

King, H. E., admitted student, 210.

J. L., admitted student, 210.

Kinsey, A: F. St. J., admitted student, 210.

Kirby, H. G. R., admitted student, 210.

Kirkaldy, J., transferred member, 209.

Kirsch, B., buckling-strain tests on round rods with clamped ends, 466.
Knewstubb, F. W., elected associate member, 211.

Knowles, G. J. F., B.A., elected associate member, 212.

Lake Joux, motive power obtained from, 462.

Lambert, S. N., admitted student, 210.

Lamp, glow-, electric, osmium (Auer-Os-lamp), 459.

-, mercury arc-, and rectifier, 460.

Langford, W. M.-" Note on the Underpinning of the Piers in the Reservoirs of
the Galatz Waterworks, Roumania" (S), 402.

Laval, C. G. P. de, electric pumping on the Comstock, 448.

Lawson, W., Miller prize awarded to, 281.

Lea, M., elected associate member, 211.

Le Cocq, G. L., Bonhomme suspension-bridge over the Blavet, 436.-Suppression
of timber in the decking of modern suspension-bridges, 457.

Legge, F. A., elected associate member, 211.

Lesourd, G., construction of the metropolitan railways of Paris, 426.

Levelling, precise, between the Atlantic and Pacific oceans, first connection by,
439.

Lewis, Sir W. T., Bart., elected member of council, 261.
Library of the Institution, 270; list of donors to the, 296.
Lighting, electric, of railway trains, 432.

Lightning-arresters, 462.

List, G. H.-Correspondence on Coolgardie Water-Supply: Coating of pipes, 177;
limited utility of the caulking-machine, 177; effect of lime and clay on
mortar, 178; safety and economy of using lime mortars instead of cement, 178.
Lister, J. E., Miller prize awarded to, 282.

W. W., admitted student, 210.

Lloyd, E. H., K.C., elected associate, 212.

Lloyd, R. S., admitted student, 210.

Locomotive and crane, electric, combined, 433.

Locomotives, common standard (Harriman Lines), in America, 434.

compound, new, on the Rhätischer railway in Switzerland, 432.

Lord, J., transferred member, 212.

Lucas, R. W. O., admitted student, 210.

Lyster, A. G., elected member of council, 261.

MacDougall, D. A., elected associate member, 211.

McFarlane, G. C., shaft-sinking by the jetting process, 444.

McKay, B., elected associate member, 211.

Mackichan, A. S., admitted student, 210.

[THE INST. C.E. VOL. CLXII.]

21

Maclean, A. C., admitted student, 210.
Manby premium, award of, 280.

Manisty, H. S., admitted student, 210.
Marks, H. C., transferred member, 212.

Marriott, W.-"The Strengthening and Maintenance of Early Iron Bridges,"
213.-Discussion: Non-injurious effect of vibration on concreted steelwork
of bridges, 238; preservation of metal in ferro-concrete piles at Woolston,
238; relative durability of iron and steel, 238; inside coating of steel boilers
with cement, 239; efficacy of tar-varnish, 239; difference in the rusting of
iron and steel, 239: application of concrete, 240.-Correspondence: Unsatis-
factory result of his trial of an air-blast painting machine, 257; usefulness of
the sand-blast for cleaning, 260.-Telford premium awarded to, 281.
Marsden, W. W., admitted student, 210.

Marsh, C. F.-Correspondence on Coolgardie Water-Supply: Pipe-joints, 179;
Mr. Feret's experiments on the effect of the size and proportion of sand in
mortar, 179; tests carried out by Mr. J. C. Hain on clayey sands, 180; rein-
forcement of the concrete floor of Bulla-Bulling reservoir, 180.

Marsh, L. S. M., transferred member, 212.

Matthews, T. L., elected associate member, 211.

W., C.M.G., elected Vice-president, 261.

Maulkinson, H. Y., admitted student, 210.

May, F., admitted student, 210.

Mayer, J. J., admitted student, 212.

Medals and premiums awarded for the Session 1903-4, 280.
Meetings of the Institution during the Session 1904-5, 268.
Melliss, H. J., B.A., elected associate member, 211.

Mellor, A. L., elected associate member, 211.

Melville, Rear-Admiral G. W.-Correspondence on Shipbuilding for the Navy:
American views of nayal construction, 46; transatlantic liners for scouting
duty, 47; questionable utility of the submarine, 47; armaments, 48; wide-
spread tendency to advocate at times peculiar ideas in naval construction, 48.
Metcalfe, Sir C. H. T., Bart., elected member of council, 261.

H. E., elected associate member, 211.

Meyer, E., testing the efficiency of a 500-HP. coke-oven-gas engine, 441.
Middleton, H., Miller prize awarded to, 282.

Mill, H. R., D.Sc., LL.D., Telford premium awarded to, 280.

Millar, A., Telford premium awarded to, 280.

Miller scholarship and prizes, award of, 281, 282.

Millington, W. E. W. See Chree.

Mills, F. J., admitted student, 210.

""" F. O., admitted student, 210.

Mines, recording work done in stopes in, 443.

Molesworth, Sir G. L., President.-Discussion on Shipbuilding for the Navy:
Vote of thanks to the Author, 12.-Discussion on Coolgardie Water-Supply:
Vote of thanks to the Author, 104.—Discussion on Strengthening and Mainten-
ance of Early Iron Bridges: Vote of thanks to the Author, 223; further and
more comprehensive discussion of the subject desirable, 240.
Moncrieff, A. B.-Correspondence on Coolgardie Water-Supply: High price of
water in Western Australia, 181; absence of data of river-flow and rainfall in
Australia, 181; quality of the water, 182; design of the dam and outlet
works, 182; superiority of the locking-bar over the riveted pipe, 182; method
adopted of constructing and jointing a riveted steel pipe in South Australia,

183; caulking of the joints, 184; satisfactory behaviour of a pipe-line with
ring-joints in South Australia, 185; desirability of fuller details of cost, 185.
Monk, R. G., admitted student, 210.

Montague, J. E., elected associate member, 211.

Morgan, J. D., Miller prize awarded to, 282.

Morris, A., admitted student, 210.

Morrison, C. F., recording work done in stopes in mines, 443.

Mörsch, resistance of concrete to pressure and shearing, 466.

Morton, R. M., admitted student, 210.

Moscicki, F., and A. Waeber, lightning-arresters, 462.

Mould, A. E., elected associate member, 211.

Myers, G. D. A., elected associate member, 211.

Napier, A. S., transferred member, 212.

Navy. See Shipbuilding.

Nealor, J., admitted student, 210.

Newton, S. B., memoir of, 421.

W. H., admitted student, 210.

Noble, Sir A., Bart., K.C.B., elected member of council, 261.
Norman, F., elected associate member, 211.

Nordenskjöld, I., production and properties of tantalum, 460.

Norsworthy, H. H., elected associate member, 211.

Noyes, E., elected associate, 211.

Oil-engine, Diesel, three-cylinder, by Sulzer Brothers, of Winterthur, 442.
Ommanney, G. G., elected associate member, 211.

Ore-treatment. Modern crushing and grinding machinery, 449.

Springs on crushing rolls, 450.

Original communications, subjects for, 283; ditto received, 1904–5, 292.
Otway, J. H., elected associate member, 212.

Ouade, observatory on Monte Rosa, 471.

Oughterson, A., memoir of, 422.

Pagnam, J., admitted student, 210.

Palmer, C. S. R.-" Coolgardie Water-Supply," 50.-Discussion: Rate of progress
on the pipe-line and the weir, 126; political treatment of the scheme, 127;
financial aspect of the undertaking, 127; revised estimates of working-expenses
submitted by him, 128; small ratio of discharge to rainfall, 129; economical
capacity of the reservoir, 129; length of the waste-weir, 130; flow of water
over the crest of the weir, 130; questionable desirability or economy of an
earthen dam at Coolgardie, 131; bacterial action in water flowing through long
pipes, 131; theory of stresses in masonry dams, 131; protection of the locking-
bar pipe from corrosion, 133; inadequacy of the Commissioners' allowance for
ultimate friction having regard to the quality of the water available, 133; con-
centration of pumping-plant, 134; reasons for placing the main below ground,
134; use of Venturi meters, 134; function of the stand-pipes referred to in
the Paper, 134; tests of the pumping-plant, 135; capacity and design of