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Notes on the Salisbury (Conn.), Iron Mines and Works. By A. L. Hol-

LEY, C.E.,

220

Notes on the Iron Ore and Anthracite Coal of Rhode Island and Massachu-

setts. By A. L. HOLLEY, C.E.,

224

The Mesozoic Formation in Virginia. By OSWALD J. HEINRICH,

227

Copper Mining on Lake Superior. By Prof. Thomas EGLESTON, Ph.D., 275

The Mechanical Work Performed in Heating the Blast. By Prof. B. W.

313

The Eureka Lode of Eureka, Eastern Nevada. By W. S. KEYES,

344

The Eureka-Richmond Case. By Rossiter W. RAYMOND, Pu.D.,

371

What is a Pipe Vein? By Rossiter W. RAYMOND, Ph.D.,

393

Iron Manufacture in Mexico. By J. P. Carson,

398

The Action of Small Spheres of Solids in Ascending Currents of Fluids and

in Fluids at Rest. By J. C. BARTLETT, A.M.,

415

Results of Analyses of Blast-Furnace Gases. By CHARLES A. Colton, E.M., 427

Classification of Coals. By PERSIFOR FRAZER, Jr.,

430

Note on the Manufacture of Ferromanganese and the Blast Furnace. By

451
Can we Transmit Power in Large Amount by Electricity? By N. S. Keith, 452

Copper by Electricity. N. S. KEITH,

458

Notes on Fire-Brick Stoves for Blast Furnaces. By John M. HARTMAN, 463

On the Southern Limit of the last Glacial Drift across New Jersey and the

adjacent parts of New York and Pennsylvania. By Prof. George H.

Соок, ,

467

The New Works at Clausthal for Dressing Ores. By Jonn C. F. RAN-

DOLPH, E.M.,

470

Jet Pumps for Chemical and Physical Laboratories. By Prof. Robert H.

RICHARDS,

492

On “ Buckshot" Iron. F. P. DEWEY,

499

Report on a Standard Wire Gauge,

500

Analyses of some Tellurium Minerals. By E. P. JENNINGS,

506

On Pulverized Zinc and its Uses in Analytical Chemistry. By Dr. Thomas

M. Drown,

508

A Mining Laboratory. By Prof. Robert H. RICHARDS,

510

An Edgestone Crusher for Analytical Samples. By Prof. ROBERT H.

518

Note upon the Cost of. Two Blast Furnaces in the Cleveland District of

England. By P. BARNES,

520

Note upon the Cost of Six Regenerative Furnaces. By P. BARNES,

523

Note upon the Cost of Iron Rails as made in 1866 in a leading English

Railway Company's Rolling Mill. By P. BARNES,

524

Memoranda relating to the Boiler Account as kept during the construction

of the Edgar Thomson Steel Works. By P. BARNES,

525

Missing Ores of Iron. By PERSIFOR FRAZER, JR.,

531

The Rothschönberger Stollen. By Rossiter W. RAYMOND, Pu.D.,

542

Graphic Method of Keeping the Record of Working of a Blast Furnace.

By William Kent, M.E.,

551

The Ore-Deposits of Eureka District, Eastern Nevada. By William P.

BLAKE, F.G.S.,

554

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(Term expires February, 1880.)

BENJAMIN W. FRAZIER,
WILLIAM B. POTTER,
GEORGE ASMUS, ·

(Tern expires February, 1881.)

Bethlehem, Pa.
St. Louis, Mo.
New York City.

Secretary.

Treasurer.

THOMAS M. DROWN,

Lafayette College, Easton, Pa.

THEODORE D. RAND,

17 S. Third Street, Philadelphia.

.

KNOWLES, J. H., .

Newport, Monmouthshire, Wales. KREISCHER, PROF. C. G.,

Freiberg, Saxony. KUPELWIESER, Prof. FRANZ,

Leoben, Austria. LORSONT, J. B. A.,||

London. McPherson, GEORGE, Wednesbury Oak Iron Works, Tipton, Staffordshire, Eng. MARTIN, E. P., Blaenavon Iron-works, near Newport, Monmouthshire, Wales. MARTIN, PIERRE EMIL,

12 Rue Chaptal, Paris. MONKS, FREDERICK,

Warrington, England. NEWBERRY, JAMES Cosmo,

Melbourne, Australia. NICOLSKY, Prof. L., .

St. Petersburg, Russia. NOBLET, A., .

24 Rue d'Archis, Liége, Belgium. Patera, BERGRATH AD., Geologische Reichsunstalt, Vienna, Austria. PosEPNY, F.,.

Lugeck, 3, Vienna, Austria. POURCEL, ALEXANDRE,

Terrenoire, Loire, France. Priest, J. R.,

Monrovia, Liberia. RESI MONT, ARM.,

Seraing, Belgium. Richter, Prof. THEODOR,

Freiberg, Saxony. ROGERSON, John, .

Croxdale Hall, Durham, England. ROLLAND, G.,

23 Quai Voltaire, Paris, France, SCHMIDT, DR. ADOLF,

2 Plöckstrasse, Heidelberg, Baden. SCHULZ, WILLIAM,

Berlin, Prussia. SEBLO, BERGHAUPTMANN, DR.,

MANN, 89 W. Wilhelmstrasse, Berlin, Prussia. SONTAG, Hugo,

Cologne, Prussia. STRONGITHARM, AUG. H.,

Barrow in Furness, England. Valton, FERDINAND, .

20 Rue Lepeletier, Paris, France. WENDEL, H. DE, .

Hayange, Lorraine, Prussia. WESTRAY, John, . . Carlin How, near Salisbury by the Sea, England. WHTWELL, THOMAS,|| :

Stockton-on-Tees, England. Williams, EDWARD, Cleveland Lodge, Middlesbro'-on-Tees, England. WINTER, ADOLPH,

Wiesbaden, Germany. WITTELSBACH, Otto,

Taegerweilen, Canton Thurgau, Switzerland. YBARROLA, J. RAMON DE,

City of Mexico.

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Jtembers and Associates.

JANUARY, 1879.

THOSE MARKED THUS * ARE MEMBERS; MARKED THUS † ARE ASSOCIATES.

.

* ABADIE, EMILE R., Orinoco Expl. and Mining Co., 426 Walnut St., Phila. *ABBOTT, J. J., JR.,

Lake City, Colorado. * A BBOTT, JAMES W.,

Lake City, Colorado. *ADAMS, J. M.,

P. O. Box 640, San Francisco, Cal. *AGASSIZ, PROF. ALEXANDER,

Cambridge, Mass. *ALDRICH, TRUMAN H.,

Montevallo, Shelby Co., Ala. *ALEXANDER, FLORIAN,

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Passaic Chemical Co., Newark, N. J. *ALEXANDER, JOAN S.,

1935 Arch Street, Philadelphia. *ALLEN, CHARLES F., .

342 Fourth Street, Cincinnati, Ohio. *ANDERSON, R. J.,

Pittsburgh, Pa. TARNOLD, J. B., . Pennsylvania Lend Co., 44 Wood Street, Pittsburgh, Pa.

|| Deceased.

.

*ASHBURNER, CHARLES A.,

9 Woodland Terrace, Philadelphia. *ASIBURNER, WILLIAM,

1014 Pine Street, San Francisco, Cal. *Asmus, GEORGE, ·

Room 9, 132 Nassau St., New York City. *ATTWOOD, GEORGE, The Scientific Club, 7 Saville Row, London, England. *AYRES, W. S.,

New Jersey Steel and Iron Co., Trenton, N. J.

.

.

.

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+BALDWIN, S. C., *Baldwin, S. W., *BARNES, PHINEAS, * BARRON, S. A., + BARROS, LUIZ DE SOUZA, *BARTLETT, J. C., *BAYLES, JAMES C., + Beur, EDWARD, *BENDER, CHARLES, *BENDER, R. W., *BENNETT, CLARENCE M., *BERTOLET, ALFRED S., *BIERWIRTH, L. C., *BILLIN, CHARLES E., *BILLINGS, G. H., +BINGHAM, C. E., *Binss E, HENRY,. *BIRKINBINE, Joun, *BLAIR, ANDREW A., • *BLAKE, PROF. F. C., . *BLAKE, PROF. W. P., *BLANDY, JOHN F., † Bliss, ARTHUR W., . *BOGART, JOHN, *Bolton, OGDEN, † Bootu, ELY T., *Booty, HENRY, . *Booth, LLOYD, *BORDA, E., . *BOVEY, PROF. HENRY T., . * BOWDEN, J. H.,. *BOWIE, A. J., JR., *BOWLER, N. P.,. * BOWMAN, THOMAS E., *Bowron, JAMES, *Bowser, PROF E. A., *BOYD, C. R., *BoYER, JEROME L., *BRADFORD, H., *BRADLEY, G. L., * BRAMWELL, *BREDEMEYER, DR. W., +BRINCKERHOFF, GEO. C., *Britton, J. BLODGET, *BRODHEAD, Calvix E,

Cleveland Rolling Mill Co., Cleveland, Ohio.

Yonkers, N. Y. Plainfield, N. J.

Cheltenham, Mo. School of Mines, New York City.

Taunton, Mass. 83 Reade Street, New York City. 155 Harrison Street, Brooklyn, N. Y. 71 Broadway, New York City!

East Boston, Mass. Jenkintown, Montgomery Co., Pa. Crown Point, Essex Co., N. Y.

Dover, N. J. 4039 Locust Street, Philadelphia. Norway Iron Works, Boston, Mass.

25 West Main Street, Cleveland, Ohio. 40 West Nineteenth Street, New York City. Pine Grove Furnace, Cumberland Co., Pu.

919 Chunt Street, Philadelphia. Lafayette College, Easton, Pa.

New Haven, Conn. 1711 Sydenham Street, Philadelphia.

Dunbar, Fayette Co., Pa. 104 East Twentieth St., New York City.

Canton, Ohio.

Mauch Chunk, Pa. Lock box 614, Poughkeepsie, N. Y.

Youngstown, Ohio. 326 Walnut Street, Philadelphia. 96 University Street, Montreal, Canada.

Lock Box 781, Wilkes-Barre, Pa. P. 0. Drawer 2220, San Francisco, Cal.

9 Winter Street, Cleveland, Ohio. Silverton, San Juan Co., Colorado.

South Pittsburgh, Tenn. Rutgers College, New Brunswick, N. J.

Wytheville, Va.

Reading, Pa. 2004 N. Twenty-second Street, Philadelphia. 43 Sears Building, Boston, Mass.

Quinnimont, W. Va.

Salt Lake City, Utah. School of Mines, New York City. 339 Walnut Street, Philadelphia.

Hickory Run, Carbon Co., Pa.

J. H.,

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