Planck, C., 220, 246.

        Plane Paradox, 138.

        Plantation Puzzle, A, 57, 189.
          ——­ The Burmese, 58, 191.

        Plates and Coins, 65, 195.

        Plums, The Baskets of, 126, 245.

        Poe, E.A., 249.

        Points and Lines Problems, 56.

        Postage Stamps, The Four, 84, 210.

        Post-Office Perplexity, A, 1, 148.

        Potato Puzzle, The, 41, 177.

        Potatoes, The Basket of, 13, 155.

        Precocious Baby, The, 139.

        Presents, Buying, 2, 148.

        Prime Magic Squares, 125.

        Printer’s Error, A, 20, 162.

        Prisoners, Exercise for, 104, 230.
          ——­ The Ten, 62, 195.

        Probabilities, Two Questions in, 5, 150.

        Problems concerning Games, 114.

        Puss in the Corner, 118, 240.

        Puzzle Games, 117.

        Pyramid, Painting a, 83, 208.

        Pyramids, Square and Triangular, 167.

        Pythagoras, 31.

        “Queen, The,” 120.

        Queens and Bishop Puzzle, 93, 219.
          ——­ The Eight, 89, 215.

        Queen’s Journey, The, 100, 227.
          ——­ Tour, The, 98, 225.

        Quilt, Mrs. Perkins’s, 47, 180.

        Race Puzzle, The Horse-, 117, 240.
          ——­ The Motor-car, 117, 240.

        Rackbrane’s Little Loss, 21, 163.

        Railway Muddle, A, 62, 194.
          ——­ Puzzle, A, 61, 194.
          ——­ Stations, The Three, 49, 182.

        Rational Amusement for Winter Evenings, 56.

        Rectangles, Counting the, 105, 232.

        Reiss, M., 58.

        Relationships, Queer, 8, 153.

        Reversals, A Puzzle in, 5, 151.

        River Axe, Crossing the, 112, 236.

        River Problems, Crossing, 112.

        Rookery, The, 105, 232.

        Rook’s Journey, The, 96, 224.
          ——­ Tour, The, 96, 223.

        Rooks, The Eight, 88, 214.
          ——­ The Two, 117, 240.

        Round Table, The, 80, 205.

        Route Problems, Unicursal and, 68.

        Ruby Brooch, The, 144, 249.

        Sabbath Puzzle, The, 144, 249.

        Sailor’s Puzzle, The, 71, 199.

        Sayles, H.A., 125.

        Schoolboys, The Nine, 80, 205.

        Schoolgirls, The Fifteen, 80, 204.

        Scramble, The Great, 19, 161.

        Sculptor’s Problem, The, 23, 164.

        Second Day of Week, 139.

        See-Saw Puzzle, The, 22, 163.

        Semi-Nasik Magic Squares, 120.

        Senior and Junior, 140.