12 + 12 = 24 pieces.

White to play and mate in four (4) moves.

Solution.
19,M g7:†
20,K h8M g8††
21,K g8:M g1†
22,L g2M g2:‡
Problem No. 3.—By W. Furnival.

9 + 4 = 13 pieces.

White to play and mate in two (2) moves.

Problem No. 4.—By H. F. I. Meyer.