Iddings, Joseph P., U. S. Geol. Survey, Washington, D. C. (31). 1884. Irving, Roland D., Wis. State Geol. Survey, Madison, Wis. (26). 1879.

James, Jos. F., 108 Broadway, Cincinnati, Ohio (30). 1882.
Jayne, Horace F., 1826 Chestnut St., Philadelphia, Pa. (29). 1884.
Jeffries, B. Joy, M. D., 15 Chestnut St., Boston, Mass. (29). 1881.

Jenks, Elisha T., Middleborough, Mass. (22). 1874.

Jenks, Prof. J. W. P., Middleborough, Mass. (2). 1874.

Jewell, Theo. F., Lt. Comdr. U. S. N., Torpedo Station, Newport, R. I. (25). 1882.

Jillson, Dr. B. C., Illinois Industrial Univ., Champaign, Ill. (14). 1881.
Johnson, Prof. S. W., 54 Trumbull St., New Haven, Conn. (22). 1874.
Johnson, Prof. W. W., Naval Acad., Annapolis, Md. (29). 1881.
Joy, Prof. Charles A., care F. Hoffmann, Stockbridge, Mass. (8).
Julien, A. A., School of Mines, Columbia Coll., New York, N. Y. (24). 1875.

1879.

Kedzie, Prof. Robert C., Lansing, Mich. (29). 1881.

Kellicott, David S., Buffalo, N. Y. (31). 1883.

Kendall, Prof. E. Otis, 3826 Locust St., Philadelphia, Pa. (29). 1882.
Kennan, George, 1318 Mass. Avenue, Washington, D. C. (30). 1882.
Kent, William, 30 Cortlandt St., New York, N. Y. (26). 1881.

Kerr, Prof. W. C., Raleigh, N. C. (10). 1874.

Kershner, Prof. Jefferson E., Lancaster City, Pa. (29). 1883.
Kinnicutt, Leonard P., 5 Chestnut St., Worcester, Mass. (28). 1883.
Kirkwood, Prof. Daniel, Bloomington, Ind. (7). 1874.

Kunz, G. F., with Tiffany and Co., New York, N. Y. (29). 1883.

Lambert, Rev. Thomas R., D.D., Charlestown, Mass. (18). 1874.
Landreth, Prof. Olin H., Vanderbilt Univ., Nashville, Tenn. (28). 1883.
Langdon, Dr. F. W., 65 West 7th St., Cincinnati, Ohio (30). 1882.
Langley, Prof. J. W., Univ. of Michigan, Ann Arbor, Mich. (23). 1875.
Langley, Prof. S. P., Director of Observatory, Allegheny, Pa. (18). 1874.
Lanza, Prof. Gaetano, Mass. Inst. of Technology, Boston, Mass. (29).
1882.

Larkin, Edgar L., New Windsor, Mercer Co., Ill. (28). 1883.
Lattimore, Prof. S. A., Univ. of Rochester, Rochester, N. Y. (15). 1874.
Lawrence, George N., 45 E. 21st St., New York, N. Y. (7). 1877.
Lazenby, Prof. Wm. R., Ithaca, N. Y. (30). 1882.

Lea, Dr. Isaac, 1622 Locust St., Philadelphia, Pa. (1). 1875.
LeConte, Prof. Joseph, Univ. of Cal., Berkeley, Cal. (29). 1881.
Ledoux, Albert R., Ph. D., 10 Cedar St., New York, N. Y. (26).
Leeds, Prof. Albert R., Stevens Institute, Hoboken, N. J. (23). 1874.
Leonard, N. R., State Univ., Iowa City, Iowa (21). 1875.

1881.

Lesley, Prof. J. Peter, State Geol. of Pa., 1008 Clinton St., Philadelphia,

Pa. (2). 1874.

Lewis, Prof. H. Carvill, High St., Germantown, Pa. (26). 1880.

LILLY, GEN. Wм., Mauch Chunk, Carbon Co., Pa. (28). 1882. Patron.

Lintner, J. A., N. Y. State Entomologist, Room 27, Capitol, Albany, N. Y.

(22). 1874.

Litton, Abram, 2220 Eugenia St., St. Louis, Mo. (28). 1879.

Lockwood, Rev. Samuel, Freehold, Monmouth Co., N. J. (18). 1875.

Loomis, Prof. Elias, New Haven, Conn. (1). 1874.

Lord, Prof. Nat. W., State Univ., Columbus, Ohio (29). 1881.

Loudon, Prof. James, Toronto, Can. (25). 1881.

Loughridge, Prof. R. H., Ass't State Geol., Frankfort, Ky. (21). 1874. Love, Edward G., School of Mines, Columbia College, New York, N. Y. (24). 1882.

Lovering, Prof. Joseph, Harvard University, Cambridge, Mass. (2). 1875. Lull, Edward P., Captain U. S. N., care Navy Dep't, Washington, D. C. (28). 1880.

Lupton, Prof. N. T., Vanderbilt University, Nashville, Tenn. (17). 1874.
Lyle, David Alexander, Capt. of Ordnance U. S. A., National Armory,
Springfield, Mass. (28). 1880.

Lyman, Prof. Chester S., New Haven, Conn. (4). 1875.
Lyman, Hon. Theodore, Brookline, Mass. (23).

1875.

Lyon, Dr. Henry, 34 Monument Sq., Charlestown, Mass. (18). 1874.

Mabery, Prof. C. F., Case School of Applied Science, Cleveland, Ohio (29). 1881.

Macfarlane, James, Towanda, Pa. (29).

1882.

Mackintosh, James B., School of Mines, Columbia College, New York,

N. Y. (27). 1883.

Macloskie, Prof. George, College of New Jersey, Princeton, N. J. (25). 1882.

Mallery, Brevet Lieut. Col. Garrick, U. S. Army, Box 585, Washington, D. C. (26). 1879.

MANN, B. PICKMAN, U. S. Dep't of Agric., Washington, D. C. (22). 1874. Marcy, Oliver, LL.D., Evanston, Ill. (10). 1874.

1881.

Markoe, Geo. F. H., 61 Warren St., Roxbury, Mass. (29).
MARSH, PROF. O. C., Yale College, New Haven, Conn. (15). 1874.
Martin, Prof. Daniel S., 236 West 4th St., New York, N. Y. (23). 1879.
Martin, Prof. H. Newell, Johns Hopkins Univ., Baltimore, Md. (27). 1880.
Martin, Prof. Wm. J., Davidson College, N. C. (31). 1884.

Mason, Prof. Otis T., Columbian University, Washington, D. C. (25). 1877.
Mayer, Prof. A. M., So. Orange, N. J. (19). 1874.

McCauley, Capt. C. A. H., Ass't Q. M., U. S. A., 321 Michigan Ave., Chicago, Ill. (29). 1881.

McGee, W. J., U. S. Geol. Survey, Washington, D. C. (27). 1882.

McMurtrie, William, Ill. Indust. Univ., Champaign, Ill. (22). 1874.

McNair, Lt. Commander Antoine R., U. S. N., Box 1071, Saratoga Springs, N. Y. (28). 1882.

McRae, Hamilton S., Supt. of Schools, Marion, Ind. (20). 1874.

Meehan, Thomas, Germantown, Pa. (17). 1875.

Mees, Carl Leo, Columbus, Ohio (24). 1876.

Mendenhall, Prof. T. C., U. S. Signal Service, Washington, D. C. (20) 1874.

Merriman, C. C., Rochester, N. Y. (29). 1880.

Michelson, A. A., Master U. S. N., 7 Rockwell St., Cleveland, Ohio (26). 1879.

Minot, Dr. Charles Sedgwick, 25 Mt. Vernon St., Boston, Mass. (28). 1880.

1882.

Minot, Francis, M. D., 65 Marlborough St., Boston, Mass. (29). 1884.
.Mitchell, Miss Maria, Vassar College, Poughkeepsie, N. Y. (4). 1874.
Mixter, Prof. Wm. G., New Haven, Conn. (30).
Moore, Prof. J. W., M. D., Lafayette College, Easton, Pa. (22). 1874.
Morley, Prof. Edward W., 749 Republic St., Cleveland, Ohio (18). 1876.
Morris, Rev. John G., Baltimore, Md. (12). 1874.

Morse, Prof. E. S., Salem, Mass. (18). 1874.

Morton, H., Stevens Institute Technology, Hoboken, N. J. (18). 1875. Moses, Prof. Thos. F., Urbana Univ., Urbana, Ohio (25). 1883. Munroe, Prof. C. E., U. S. Naval Academy, Annapolis, Md. (22). 1874. Murtfeldt, Miss Mary E., Kirkwood, Mo. (27). 1881.

Nason, Prof. H. B., Rensselaer Polytechnic Inst., Troy, N. Y. (13). 1874.
Neale, Arthur T., Ph. D., New Brunswick, N. J. (29). 1882.
Nelson, Prof. A. B., Centre College, Danville, Ky. (30). 1882.
Nelson, Prof. Edward T., Delaware, Delaware Co., Ohio (24).
Newberry, Prof. J. S., Columbia College, New York, N. Y. (5). 1875.
Newcomb, Prof. S., Navy Dep't, Washington, D. C. (13). 1874.
Newton, Hubert A., New Haven, Conn. (6).

1874.

1877.

Nichols, E. L., Ph. D., Univ. of Kansas, Lawrence, Kansas (28). 1881.
Nichols, Prof. W. R., Mass. Inst. Technology, Boston, Mass. (18). 1875.
Niles, Prof. W. H., Cambridge, Mass. (16).
Nipher, Prof. F. E., Washington University, St. Louis, Mo. (24). 1876.

1874.

Oliver, Prof. James E., Cornell University, Ithaca, N. Y. (7). 1875.
Oliver, Miss Mary E., Cascadilla Hotel, Ithaca, N. Y. (20). 1874.
Ordway, Prof. John M., Tulane Univ., New Orleans, La. (9). 1875.
Orton, Prof. Edward, President Ohio Agricultural and Mechanical College,
Columbus, Ohio (19). 1875.

Osborn, Henry F., S. D., Garrisons, N. Y. (29). 1883.

Osborn, Herbert, Ames, Iowa (32). 1884.

Osborne, J. W., 212 Delaware Ave. N. E., Washington, D. C. (22). 1874.

Osler, Prof. William, McGill College, Montreal, Canada (28). 1881.

Owen, Dr. Richard, New Harmony, Ind. (20). 1874.

Packard, Dr. A. S., 115 Angell St., Providence, R. I. (16). 1875.
Paine, Cyrus F., 242 East Ave., Rochester, N. Y. (12). 1874.

Paine, Nathaniel, Worcester, Mass. (18). 1874.

Palfray, Hon. Charles W., Salem, Mass. (21). 1874.

Parke, John G., Lt. Col. Corps of Eng'rs, Bv't Maj. Gen. U. S. A.,

Office of Chief of Engineers, Washington, D. C. (29). 1881. Parkhurst, H. M., Law Stenographer, 25 Chambers St., New York, N. Y.

(23). 1874.

Payne, Prof. Wm. W., Carleton College Observ., Northfield, Minn. (30).

Penhallow, Prof. D. P., McGill College, Montreal, Can. (30). 1882.

Perkins, Prof. George H., Burlington, Vt. (17). 1882.

Perkins, Maurice, Schenectady, N. Y. (15). 1875.

Peter, Dr. Robert, Ky. Geol. Survey, Lexington, Ky. (29). 1881.

Pettee, Prof. William H., Ann Arbor, Mich. (24). 1875.

Phillips, A. W., New Haven, Conn. (24). 1879.

Phippen, Geo. D., Salem, Mass. (18). 1874.

Pickering, Prof. E. C., Director of Observ., Cambridge, Mass. (18). 1875. Pickering, William H., Inst. Technology, Boston, Mass. (29). 1883. Pike, Dr. William H., University College, Toronto, Can. (29). 1881. Pilling, James C., Box 591, Washington, D. C. (28). 1882.

Platt, Franklin, Ass't Geologist, 2nd Geol. Survey of Pa., 615 Walnut St., Philadelphia, Pa. (27). 1882.

Pohlman, Dr. Julius, Buffalo, N. Y. (32).

1884.

Potter, Prof. William B., Washington Univ., St. Louis, Mo. (25). 1879. Powell, Major J. W., U. S. Geologist, 910 M St., Washington, D. C. (23). 1875.

Prentiss, D. Webster, M. D., 1224 9th St., N. W., Washington, D. C. (29). 1882.

Prescott, Prof. Albert B., Ann Arbor, Mich. (23). 1875.

Pritchett, Henry S., Observatory, Washington Univ., St. Louis, Mo.

Pumpelly, Prof. Raphael, U. S. Geol. Survey, Newport, R. I. (17). 1875. Putnam, F. W., Curator Peabody Museum American Archæology and Ethnology, Cambridge, Mass. Address as Permanent Secretary 1874.

A. A. A. S., Salem, Mass. (10). Pynchon, Rev. T. R., Pres't Trinity Coll., Hartford, Conn. (23). 1875.

Quincy, Edmund, 88 Clinton St., Boston, Mass. (11). 1874.

Rauch, Dr. John H., Chicago, Ill. (11). 1875.

Raymond, Rossiter W., 17 Burling Slip, New York, N. Y. (15). 1875.
Redfield, J. H., care A. Whitney & Sons, Philadelphia, Pa. (1).
Reed, E. Baynes, London, Ontario, Can. (27). 1882.

1874.

Rees, Prof. John K., Columbia College, New York, N. Y. (26). 1878. Remsen, Prof. Ira, Johns Hopkins University, Baltimore, Md. (22). 1875.

Rice, John M., U. S. Naval Academy, Annapolis, Md. (25). 1881.
Rice, Prof. Wm. North, Middletown, Conn. (18). 1874.
Richards, Prof. Robert H., Mass. Inst. Tech., Boston, Mass. (22). 1875.
Richards, Mrs. Robert H., Mass. Inst. of Tech., Boston, Mass. (23). 1878.
Richardson, Clifford, Dept. of Agric., Washington, D. C. (30). 1884.
Ricketts, Pierre de Peyster, Ph. D., 10 Cedar St., New York, N. Y. (26).
1880.

RILEY, PROF. C. V., U. S. Entomologist, 1700 13th St. N. W., Washington,
D. C. (17). 1874.

Ritchie, E. S., 87 Franklin St., Boston, Mass. (10). 1877.
Robinson, Prof. S. W., Univ. of Ohio, Columbus, Ohio (30).

1883.

Rockwell, Gen. Alfred P., Office Great Falls Manufacturing Co., Boston, Mass. (10). 1882.

Rockwell, Chas. H., Box 293, Tarrytown, N. Y. (28). 1883.

Rockwood, Prof. Charles G., jr., College of New Jersey, Princeton, N. J. (20). 1874.

Rogers, Fairman, 202 West Rittenhouse Square, Philadelphia, Pa. (11). 1874.

Rogers, W. A., Ass't Prof. Harvard College Observ., Cambridge, Mass.

(15). 1875.

Rominger, Dr. Carl, Ann Arbor, Mich. (21).

1879.

Rood, Prof. O. N., Columbia College, New York, N. Y. (14). 1875.
Roosevelt, Clinton, 11 Wall St., New York, N. Y. (11). 1874.
Rosenspitz, Dr. Alexander, Rabbi, Lock Box 430, Portland, Oregon (26).
1883.

Ross, Waldo O., 189 Devonshire St., Boston, Mass. (29). 1882.
Rowland, Prof. Henry A., Baltimore, Md. (29). 1880.

Runkle, Prof. J. D., Mass. Inst. of Tech., Boston, Mass. (2). 1875.
Russell, I. C., U. S. Geological Survey, Washington, D. C. (25). 1882.
Rutherford, Lewis M., 175 Second Ave., New York, N. Y. (13). 1875.

Sadtler, Prof. Saml. P., Univ. of Pa., Philadelphia, Pa. (22). 1875.
Safford, Dr. James M., Nashville, Tenn. (6).

1875.

Sampson, Com'd W. T., U.S.N., Torpedo Station, Newport, R. I. (25). 1881.

Saunders, William, London, Ontario, Canada (17). 1874.
Schanck, Prof. J. Stillwell, Princeton, New Jersey (4).

1882.

Schott, Charles A., U. S. Coast and Geodetic Survey Office, Washington,

D. C. (8). 1874.

Schweitzer, Prof. Paul, State Univ. of Mo., Columbia, Mo. (24). 1877.

SCUDDER, SAMUEL H., Cambridge, Mass. (13). 1874.

Seaman, W. H., Microscopist, 1424 11th St. N. W., Washington, D. C. (23). 1874.

Seiler, Carl, M. D., Philadelphia, Pa. (29). 1882.

Sestini, Rev. B., Woodstock, Md. (29). 1882.

Sharples, Stephen P., 13 Broad St., Boston, Mass. (29). 1884.

Sheafer, P. W., Pottsville, Pa. (4). 1879.