entric, 135, 235.

Marksford and the Lady, Lord, 96.

Maze, The Underground, 79, 201.

Measuring, Weighing, and Packing Puzzles, 29, 31, 55, 72, 73, 160.

Merchant's Puzzle, The, 33, 170.

Merry Monks of Riddlewell, 68, 194.

Miller's Puzzle, The, 26, 164.

Miscellaneous Puzzles, 118, 220.

Mistletoe Bough, Under the, 91, 208.

Moat, Crossing the, 81, 202.

Money, Dividing the, 57.

Monks of Riddlewell, The Merry, 68, 194.

Monk's Puzzle, The, 39, 172.

Montucla, 246.

Motor-Car, The Runaway, 103, 211.

Motor-Cars, The Three, 147, 242.

Moving Counter Problems. See Counter Problems, Moving.

Nash, W., 237.

Nelson Column, The, 146, 241.

Newton, Sir Isaac, 248.

Nines, Plato and the, 154, 247.

Noble Demoiselle, The, 59, 186.

Noughts and Crosses, 156, 248.

Number Blocks, The, 139, 238.

Numbers on Motor-Cars, 103, 148.

Numbers Partition of, 46.

Numbers The Chalked, 89, 206.

Nun's Puzzle, The, 32, 169.

Ones, Numbers composed only of, 18, 75, 198.

Opposition in Chess, 224.

Orchards, The Fifteen, 143, 241.

Ovid's Game, 156, 248.

Oxen, The Farmer's, 157, 248.

Ozanam's _Recreations_, 246.

Packing Puzzles, Measuring, Weighing, and. See Measuring.

Palindromes, 17.

Pardoner's Puzzle, The, 25, 164.

Parental Command, A, 28.

Park, Mystery of Ravensdene, 105, 211.

Parson's Puzzle, The, 47, 177.

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

Pellian Equation, 197.

Pennies, The Eleven, 88, 206.

Phials, The Two, 42.

Photograph, The Ambiguous, 94, 210.

Pie and the Pasty, The, 36.

Pilgrimages, The Fifteen, 25.

Pilgrims' Manner of Riding, 34.

Pilgrims The Riddle of the, 70, 194.

Pillar, The Carved Wooden, 31.

Plato and the Nines, 154, 247.

Ploughman's Puzzle, The, 43, 175.

Plumber, The Perplexed, 144, 241.

Plum Puddings, Tasting the, 90, 207.

Points and Lines Problems, 43, 116, 133.

Porkers, The Four, 138, 237.

Postage Stamps Puzzle, The, 112, 214.

Primrose Puzzle, The, 136, 235.

Princes, The Four, 153, 246.

Prioress, The Puzzle of the, 41, 173.

Professor's Puzzles, The, 110, 214.

Puzzle Club, Adventures of the, 94, 210.

Puzzles, How to solve, 18.

Puzzles, How they are made, 14.

Puzzles, Sophistical, 15.

Puzzles, The exact conditions of, 18.

Puzzles, The mysterious