The whole affair is one of the most mysterious of late years, and will doubtless be relegated to the list of undiscovered crimes.

The police have no clue, and apparently despair of finding one.

But the discovery of the mystery lies in the bell.

Who rang it?
or did it ring of itself, as we suggest above." Cuthbert laid down the paper with a shrug.

The article did not commend itself to him, save as the means of making a precis of the case.