Sevens, The Four, 17, 160.

        Sharp’s Puzzle, 230.

        Sheepfold, The, 52, 184.

        Sheep Pens, The Six, 55, 189.
          ——­ The Sixteen, 80, 206.
          ——­ The Three, 92, 217.
          ——­ Those Fifteen, 77, 203.

        Shopping Perplexity, A, 4, 150.

        Shuldham, C.D., 125, 126.

        Siberian Dungeons, The, 123, 244.

        Simpleton, The Village, 11, 155.

        Skater, The Scientific, 100, 226.

        Skeat, Professor, 127.

        Solitaire, Central, 63, 195.
          ——­ Chessboard, 108, 234.
          ——­ Counter, 107, 234.

        Sons, The Four, 49, 181.

        Spanish Dungeons, The, 122, 244.
          ——­ Miser, The, 24, 164.

        Speed and Locomotion Puzzles, 11.
          ——­ Average, 11, 155.

        Spiral, Drawing a, 50, 182.

        Spot on the Table, The, 17, 160.

        Square Numbers, Check for, 13.
          ——­ ——­ Digital, 16, 159.
          ——­ of Veneer, The, 39, 175.
          ——­ Puzzle, An Easy, 35, 170.

        Squares, A Problem in, 23, 163.
          ——­ Circling the, 21, 162.
          ——­ Difference of Two, 167.
          ——­ Magic, 119.
          ——­ Sum of Two, 165, 175.
          ——­ The Chocolate, 35, 170.

        Stalemate, 106, 232.

        Stamp-licking, The Gentle Art of, 91, 217.

        Star Puzzle, The, 99, 226.

        Stars, The Eight, 89, 215.
          ——­ The Forty-nine, 100, 226.

        Statical Chess Puzzles, 88.

        Sticks, The Eight, 53, 186.

        Stonemason’s Problem, The, 25, 165.

        Stop-watch, The, 11, 154.

        Strand Magazine, The, 44, 116, 220.

        Strand Patience, 116, 239.

        Stream, Crossing the, 112, 236.

        Strutt, Joseph, 59.

        Subtracting Magic Squares, 124.

        Sultan’s Army, The, 25, 165.

        Suppers, The New Year’s Eve, 3, 149.

        Surname, Find Ada’s, 27, 168.

        Swastika, The, 29, 31, 169.

        “T” Card Puzzle, The, 115, 239.

        Table, The Round, 80, 205.

        Table-top and Stools, The, 38, 173.

        Tangram Paradox, A, 43, 178.

        Target, The Cross, 84, 210.

        Tarry, 112.

        Tartaglia, 25, 109, 112.

        Tea, Mixing the, 111, 235.

        Telegraph Posts, The, 139.

        Tennis Tournament, A, 78, 203.

        Tetrahedron, Building the, 82, 208.

        Thief, Catching the, 19, 161.

        Thrift, A Study in, 25, 166.