nus expedition, 139; Star
Catalogue Case, 372; work on Ptolemy's Catalogue, 380.
Photoheliograph, horizontal 164.
Phrenology, study of, 14, 34.
Pickering, E. C., 126.
Pistor and Martin's transit circle, 105.
Poe, Gen. O. M., 352.
Powell, John W., 240; during Garfield's illness, 357.
"Principia," Newton's, 54.
Procyon, search for companion of, 138; at Lick Observatory, 140.
Professors in Navy, origin of corps of, 101.
"Psychical Research," 410.
Ptolemy's Star Catalogue, Peter's work on, 380.
Pulkova Observatory, object glass made by Alvan Clark & Sons, 144,
145; foundation and situation, 309-313.

Reed, Thomas B., 125.
Rhodes scholarships, 37.
Rodgers, Admiral John, 120.
Rogers, William B., 250.
Royal Society, banquet of, 275.
Runkle, John D., 1, 66.

Safe burglary conspiracy, 367.
Safford, Truman H., 67.
Sampson, Admiral W. T., 121.
Sands, Admiral, superintendent of Naval Observatory, 112; retirement,
116; assists in obtaining new telescope, 130.
Sauty, de, cable operator at Gibraltar, 300.
Schaeberle, assistant to Prof. Holden, 190.
Schofield, J. M., 96.
Schurman, Caleb, 11.
Schurman, Jacob Gould, 11 n.
Scientific Club, 244.
Scudder, Samuel H., 88.
Shepherd, Alexander H., career, 364-371.
Sherman, Gen. W. T., 243.
Sibley, J. Langdon, 76.
Smith, James, circle squarer, 387.
Smithson, James, 235.
Smithsonian Institution, policy of, 235, 236; difficulties in
administration, 237; expansion of scope, 240.
Smyth, Prof. C. Piazzi, 293.
Smyth, Admiral, W. H., 152.
Sophocles, Evangelinus Apostolides, 75.
Standard time, adoption of, 225, 226.
Stanton, Edwin M., 336; his tireless energy, 337; his law of war, 338.
Star Catalogue case, the great, 372.
Steeves, Isaac, 38.
Struve, Otto, 144, 309.
Struve, Wilhelm, 312.
Struve, Russian minister at Washington, 312.
Sudler, Dr. Arthur E., 50.
Sumner, Charles, characteristics, 349, 350; kills an incipient
"Academy," 352.
Sylvester, Prof. J. J., 403.

Telescope, horizontal, planned by Prof. Winlock, 163.
Thomson, Sir William, 248.
Tilley, Sir Leonard, 40.
Tracy, Benjamin, 123.
Transit of Venus, early observations of, 151; observed by Mason
and Dixon, 153; Hell's alleged forgeries, 157; preparation for
observation of, 160; Committee of National Academy of Sciences to
consider subject, 161; transit commission, 163; appropriation for
observation station, 170, 171, 174; value of observations, 173;
observations at Cape Town, 177; publication of ob