It spread out in a lake, wider and wider; but presently gathered itself together and began to creep down the hill, winding in and out among the hillocks in an ever deepening stream.
"Come on, childie, let's make for the moat. We shall get there first, if we run our hardest," Elfrida's father said. And he ran, with his little daughter's hand in his.
They got there first. The stream, knowing its own mind better and better as it recognised its old road, reached the Castle, and by dinner time all the grass round the Castle was under water. By tea-time the water in the moat was a foot or more deep, and when they got up next morning the Castle was surrounded by a splendid moat fifty feet wide, and a stream ran from it, in a zigzag way it is true, but still it ran, to the lower arch under the mound, and disappeared there, to run underground into the sea. They enjoyed the moat for one whole day, and then the stream was dammed again and condemned to run underground till next spring, by which time the walls of the Castle would have been examined and concrete laid to their base, lest the water should creep through and sap the foundations.
"It's going to be a very costly business, it seems," Elfrida heard her father say to the engineer, "and I don't know that I ought to do it. But I can't resist the temptation. I shall have to economise in other directions, that's all."
When Elfrida had heard this she went to
