stolen into the sitting-room and have killed the old lady before she could even rise. She might have touched the bell, and the button (the bell is an electric one) may have got fixed. Later on, the heat of the room, warping the wood round the ivory button, may have caused it to slip out, and thus the bell would have rung. Of course our readers may say that when pressed down the bell would have rung continuously, but an examination has revealed that the wires were out of order. It is not improbable that the sudden release of the button may have touched the wires and have set them ringing. The peal is described as being short and sharp. This theory is a weak one, we are aware, but the whole case is so mysterious that, weak as it is, we can offer no other solution. 

 "Mrs. Herne, the servants, and Messrs. Hale and Clancy were examined. All insist that Miss Loach was in her usual health and spirits, and had no idea of committing suicide, or of being in any danger of sudden death. The weapon cannot be discovered, nor the means—save as we suggest above—whereby the assassin can have made his escape. 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. The theory of the bell appeared excessively weak, and he could not understand a man being so foolish as to put it forward. 

 "If the button was pressed down by Miss Loach, the bell would have rung at once," argued Cuthbert; "and when it slipped up, even with the heat, the ringing would have stopped. But the bell rang at eleven, and the girl was in the room two minutes later. Someone must have rung it. But why did someone do this, and how did someone escape after ringing in so fool-hardy a manner?" 

 He could not find an answer to this question. The whole case was indeed most perplexing. There seemed absolutely no answer to the riddle. Even supposing Miss Loach had been murdered out of a long-delayed revenge by a member of the Saul family—and that theory appeared ridiculous to Mallow—the question was how did the assassin escape? Certainly, having regard to the cards still being on the lap of the deceased, and the closing of the door at a time when the policeman was not in the vicinity, the assassin may have escaped in 

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