slab like a good ratter, made the discovery which led to our final success.
"Doctor," he cried, running up to John Dolittle with his nose all covered with black mud, "this slab is resting on nothing but a bed of soft earth. You never saw such easy digging. I guess the cave behind must be just too high up for the Indians to reach the earth with their hands, or they could have scraped a way out long ago. If we can only scratch the earth-bed away from under, the slab might drop a little. Then maybe the Indians can climb out over the top."
The Doctor hurried to examine the place where Jip had dug.
"Why, yes," he said, "if we can get the earth away from under this front edge, the slab is standing up so straight, we might even make it fall right down in this direction. It's well worth trying. Let's get at it, quick."
We had no tools but the sticks and slivers of stone which we could find around. A strange sight we must have looked, the whole crew of us squatting down on our heels, scratching and burrowing at the foot of the mountain, like six badgers in a row.
After about an hour, during which in spite of the cold the sweat fell from our foreheads in all directions, the Doctor said,
"Be ready to jump from under, clear out of the way, if she shows signs of moving. If this slab
