90 Fistory of Gutta-Percha Willie, Well, believing it a cure for every disease under the sun. Run into the house and fetch me a jug.” “Yes, papa,” said Willie, and bounded off. There was no little brook careering through the garden now—only a few pools here and there— and its channel would soon be dry in the hot sun. But Willie thought how delightful it was to be able to have one there whenever he pleased. And it might be a much bigger brook too, for, instead of using the stone which could but partly block the water from the underground way, he would cut a piece of wood large enough to cover the opening, and rounded a little to fit the side of the well; then he would put the big stone just so far from the opening that the piece of wood could get through between it and the side of the well, and so be held tight. Then all the water would be forced to mount up, get out at the top, and run through the garden. Meantime Mr Macmichael, having gone to see what course the water had taken, and how it had left the garden, found that, after a very circuitous route, it had run through the hedge into a surface drain in the field, and so down the hill towards the river. When Willie brought him the jug, he filled it from the well, and carried the water into his sur- gery. There he put a little of it into several different glasses, and dropping something out of