No. LXXXII.—A TRICKY COURSE
To trace this course draw lines upon the diagram from square 46 to squares 38, 52, 55, 23, 58, 64, 8, 57, 1, 7, 42, 10, 13, 27, and 19. This gives fifteen lines which pass through every square only once.
No. LXXXIII.—FOR THE CHILDREN
Make a square with three on every side, and place the remaining four one on each of the corner men or buttons.
No. LXXXVII.—LOYD’S MITRE PROBLEM
The figure given is thus divided into four equal and similar parts:—
