vary much. One of the simplest that we know is this:

Take away half of thirteen and let eight remain.
Write XIII on a slate, or on a piece of paper—rub out the lower half of the figures, and VIII will remain.

Upon the principle of the square-words, riddlers form Diagonals, Diamonds, Pyramids, Crosses, Stars, &c These specimens will show their peculiarities:

66. Oblique Puzzle.

Malice, eight, a polemical meeting, a Scottish river, what I write with, a decided negative, the capital of Ireland. The initials downward name a celebrated musician.

(solution in

[ p.67]

below.)