Sinclair, G., I, _207_.

Slander Paradoxes, II, 138.

Sloane, I, 24.

Sluse, R. de, I, _118_, 118; II, 300.

Smith, Adam, II, _112_.

Smith, Jas., I, _46_; II, 103, _103_, 154, 236, 237, 238, 241, 336, 360.

Smith, Jas., II, _217_.

Smith, Jas. (Shepherd), II, _55_, 193.

Smith, Joseph, II, _69_.

Smith, Richarda, I, _242_.

Smith, Thomas, I, 346, _346_.

Smith, Wm., II, _152_.

Smyth, C. P., I, _328_; II, 65.

Snell, I, _75_, 75.

Socinianism, I, 142, 143.

Socinus, I, 3, _143_.

Socrates Scholasticus, I, _358_.

Sohncke, L. A., II, _131_.

Somerville, Mrs., I, _242_.

South, J., II, _181_.

Southcott, Joanna, II, _58_, 97, 239.

Spearman, R., I, _237_.

Speculative thought in England, I, 374.

Spedding, I, _76_, 82, 142.

Speed, J., I, _201_.

Speke, I, _70_.

Spelling, phonetic, II, 81.

Spence, W., I, _231_, 231.

Spencer, Earl (3d), II, _9_.

{386} Spinoza, I, 3, _37_.

Spiritualism, II, 47, 55, 207.

Spurius Ca.s.sius Viscellinus, II, _342_.

Spurius Maelius, II, _342_.

Squaring the circle, I, 8, 42, 44, 46, 47, 50, 52, 53, 69, 70, 75, 109, 117, 119, 129, 135, 146, 149, 159, 163, 164, 347, 348, 374; II, 10, 11, 60, 105, 154, 156, 208, 278, 314.

Stackel, I, 230.

Stanhope, P. D., (Earl of Chesterfield), II, _298_.

Stapulensis, I, _44_; II, 324.

Star polygons, I, 229.

Starkie, G., I, _126_, 126.

Statter, D., II, 80.

Steamship suggested, I, 147.

Steel, Jas., II, 68.

Stenography, II, 81.

Stephens, I, _44_; II, 324.

Stephenson, G., II, _138_.

Stephenson, R., II, _138_.

Stevin, I, _83_, 313; II, 59.

Stewart, D., II, _53_.

Stewart, R., I, _186_.

Stifel, M., II, _373_.

Strafford, Earl of, I, _240_.

Stratford, W. S., I, _300_.

Street, T., I, _124_.

Stukely, W., I, _236_.

Suffield, G., II, _66_.

Suidas, II, _29_.

Sumner, C. R., I, _324_.

Sumner, J. B., I, _324_.

Sun as an electric s.p.a.ce, II, 41.

Supernatural, The, II, 193.

Suvaroff, II, _85_.

Swastika, II, 231.

Swedenborg, E., I, _255_.

Swift, I, 19, 133.

Sylvester, J. J., II, _336_.

Symington, W., I, _148_.

Symons, II, 4, 5, 20, 84, 85.

Sympathetic powder, I, 108.

Synesius, I, 125.

Talbot, G., I, _22_, _108_.

Talbot's powder, I, 108.

Tartaglia, II, 59.

Ta.s.se, I, _106_.

Tate, J., I, _199_.

Tauler, J., II, _322_.

Taylor, Brook, II, _301_.

Taylor, John, I, _352_; II, 95.

Taylor, Robt., I, _270_.

Taylor, T., I, 188, _188_.

Teissier, I, _113_.

Temple, H. J., I, 290.

Tenterden, Chief Justice, I, _181_.

Thales, II, _59_, 83.

Theism independent of Revelation, I, 399.

Thelwall, J., I, _178_.

Theodoretus, I, _358_.

Theological Paradoxes, I, 316.

Theology, Mathematical, I, 129, 149.

Theophrastus, II, _167_.

Thiebault, II, _3_, 338.

Thom, D., II, _226_, 240.

Thom, J. H., II, _226_.

Thompson, P., I, _7_.

Thompson, T. P., I, _252_, 287, 344; II, 83, 185.

Thomson, Dr., I, 21.

Thomson, W., I, _325_.

Thorn, W., II, 158, _158_, 360.

Thorndike, H., II, _313_.

Thrale, Mrs., I, _235_.