David R. M.—The specimen you send appears like common gravel mixed with fibres of last year's leaves. The white glistening bits are quartz. If there were any shells, they were broken past recognition before reaching us.
PUZZLES FROM YOUNG CONTRIBUTORS.
No. 1.
HOUR-GLASS PUZZLE.
Parts by which things are held. Combs for wool. A rug. In high. A morass. A pile of sheaves. Parts of a sledge. Centrals read downward spell a warlike horseman.
R. D.