The wheel is made of four words of seven letters each, with a common central letter. The first word is written vertically, the second horizontally, the third diagonally from left to right, and the fourth diagonally from right to left. The half of each word, from the outside to the central letter (but not including that letter), forms a smaller word. The whole line of dots from 1_a_ to 1_b_ including the central letter, indicates the first of the four principal words, while 1_a_ indicates the first of the small words belonging to it, and 1_b_ indicates its second small word. This numbering and lettering applies also to the other words. The central letter is given, and all the words are defined below. 1a 3a. . .4a . . . . . . 2a . . . A . . . 2b . . . . . . 4b. . .3b 1b 1. A wall of defense. 2. A brilliant bird of South America. 3. An enthusiast. 4. The noise of a drum. 1_a_. Equal value. 1_b_. A fondling. 2_a_. The human race. 2_b_. A relative. 3_a_. An article of summer use. 3_b_. Involuntary muscular motion. 4_a_. To chafe. 4_b_. To entitle. B. MAGIC DOMINO-SQUARE. Eight dominoes placed together form a square composed of sixteen half-dominoes, as shown in the diagram below. But, in the diagram, each row of four half-dominoes contains a different number of spots from any of the other rows. Thus the topmost row, counting horizontally, contains eighteen spots; the one below it only four; the first row to the left, counting vertically, ten; the diagonal row, downward from left to right, eight, etc. It is required to make a square of eight dominoes of the same set, in which each vertical, horizontal, and diagonal row of half dominoes shall contain exactly sixteen spots. Who can do it? M.D. +-------+-------+-------+-------+ | * | * * * | * | * * | | * | | * | * * | | * | * * * | * | * * | +-------+-------+-------+-------+ | | | * | | | * | | | * | | | | * | | +-------+-------+-------+-------+ | * | * | * * | * | | | | | * | | * | * | * * | * | +-------+-------+-------+-------+ | * * | * * | * | | | | * | | * | | * * | * * | * | | +-------+-------+-------+-------+ DIAGONAL PUZZLE. The puzzle contains ten words of ten letters each. Fill the blanks with words suited to the sense, and arrange these one above another in the order in which they occur in the sentences. They will then form a square, and the diagonal letters, read downward from left to right, will name a friend we all like.