The mysterious silence within the room persisted. And then old Batchgrew violently opened the door and glared at Rachel. He showed no surprise at seeing her there on the landing.

"Ye'd better keep an eye on missis," he said gruffly. "She's gone to sleep seemingly."

And with no other word he departed.

Before the car had given its warning hoot Rachel was at Mrs. Maldon's side. The old lady lay in all tranquillity on her left arm. She was indeed asleep, or she was in a stupor, and the peculiar stertorous noise of her breathing had recommenced.

Rachel's vague dread vanished as she gazed at the worn features, and gave place to a new and definite fright.

"They have killed her!" she muttered.

And she ran into the next room and called Mrs. Tams.

"Who's below?" asked Mrs. Tarns, as, wide awake, she came out on to the landing.

"Nobody," said Rachel. "They've gone."

But the doctor was below. Mr. Batchgrew had left the front door open.