But they listened in vain, and continued their way to Drinkwater’s cottage, where the basket with its living freight was placed, spite of the artist’s protests, in his landlady’s hands.

“Well, I suppose I must keep them,” said Manners, “and I will, for this is about the finish up of our games, lads, for this year.”

He spoke unconsciously. It was; for as soon as the trio had passed from the dam on their way to the first zig-zag, from out of the darkness at one end of the dam the strange, weird noise began again. It was as if heavy blows were being given upon some great iron tool. Now and then they would cease, but only to go on again for quite two hours, till all at once a fresh sound arose—a peculiar, whispering gurgle, which gradually gathered force, to go on increasing through the night; but not another blow was heard to fall.


Chapter Eighteen.

Danger.

Will returned to the Mill House that night rather later than he should have been, after a long chat with the artist, and the first thing he learned was that his father had gone to bed with a bad headache.

It was his own time, too, and he hurried up to his bedroom, when, like a flash, came the recollection of the strange sounds he had heard. It was too late to go out again, so he opened the window and leaned there, listening; but from that position he could hear the roar of many waters—nothing more.

As a rule, Will’s habit was to bang his head down on the pillow and draw one very deep, long, restful breath, as he stretched himself at full length, and the next moment he was asleep.