charm of, 12.

Puzzles, The nature of, 11.

Puzzles, The utility of, 13.

Puzzles, The variety of, 13, 16.

Puzzles, Unsolved, 20.

Puzzling Times at Solvamhall Castle, 58, 184.

Pyramids, Triangular, 163.

Railway Puzzle, 134.

Railway The Tube, 149, 243.

Railways, The Chinese, 127, 224.

Ramsgate Sands, On the, 147, 242.

Rat-catcher's Riddle, The, 56.

Ravensdene Park, Mystery of, 105, 211.

Reve's Puzzle, The, 24, 163.

Ribbon Problem, The, 130, 228.

Riddles, old, 16.

Riddlewell, The Merry Monks of, 68, 194.

River Crossing Problems, 82, 83.

Robinson Crusoe's Table, 142, 240.

Romeo and Juliet, 114, 217.

Romeo's Second Journey, 116, 218.

Rook's Path, The, 207.

Rope, The Mysterious, 79, 201.

Round Table, The, 137, 236.

Route Problems, Unicursal and. See Unicursal.

Sack Wine, The Riddle of the, 72, 196.

St. Edmondsbury, The Riddle of, 75, 197.

Sands, On the Ramsgate, 147, 242.

Sea-Serpent, The Skipper and the, 150, 244.

Shield, Squares on a, 27.

Shipman's Puzzle, The, 40, 173.

Skipper and the Sea-Serpent, The, 150, 244.

Snail on the Flagstaff, The, 66, 190.

Snail The Adventurous, 152, 245.

Snails, The Two, 115, 217.

Solvamhall Castle, Puzzling Times at, 58, 184.

Sompnour's and Friar's Dispute, 51, 180.

Sompnour's Puzzle, The, 38, 172.

Spherical Surface of Water, 181.

Spider and the Fly, The, 121, 221.

Square and Triangle, The, 49.

Square Field, The, 107.

Squares, Problem of, 74.

Square, Three Squares from One, 131, 231.

Squire's Christmas Puzzle Party, The, 86, 205.

Squire's Puzzle, The, 45, 176.

Squire's Yeoman, The Puzzle of the, 31, 168.

Stamps, Counting Postage, 137.

Stamps, Magic Squares of, 112.

Stamps, Puzzle, The Postage, 112, 214.

Superposition, Problem on, 179.

Sylvester, 175.

Table, Robinson Crusoe's, 142, 240.

Table, The Round, 137, 236.

_Talkhys_, 198.

Tapestry, Cutting the, 30.

Tapiser's Puzzle, The, 30, 167.

Teacups, The Three, 87, 205.

Tea Tins, The Five, 137, 237.

Thirty-one Game, The, 125, 224.

Tiled Hearth, The Riddle of the, 71, 195.

Tilting at the Ring, 59, 185.

Tour, The English, 134, 233.

Towns, Visiting the, 134.

Tramps and the Biscuits, The, 160, 250.

Treasure, The Buried, 107, 212.

Trees, The Sixteen Oak, 44.