The Magician's Own Book, or, the Whole Art of Conjuring / Being a complete hand-book of parlor magic, and containing over one thousand optical, chemical, mechanical, magnetical, and magical experiments, amusing transmutations, astonishing sleights and subtleties, celebrated card deceptions, ingenious tricks with numbers, curious and entertaining puzzles, together with all the most noted tricks of modern performers.

by George Arnold; Frank Cahill

27. THE DOGS PUZZLE ANSWERED SEE DOTTED LINES.

28. PUZZLE OF THE TWO FATHERS.

The first father divided the land in this way:

The second father divided the land in the following manner:

The different colors represent the several sons' portions.

29. THE TRIANGLE PUZZLE.