the dinner-bell rang while she was still wandering happily in " nelly's silver mine, " and she ran down to find that boo had laid out a railroad all across her neat room, using bits of coal for sleepers and books for rails, over which he was dragging the yellow sled laden with a dismayed kitten, the tailless dog, and the remains of the sausage, evidently on its way to the tomb, for boo took bites at it now and then, no other lunch being offered him.