"You noticed the way she shook her head, I dare say?" continued Lewis, who was delighted by the awestruck looks of his two companions. "Well, she is muttering spells when she does that. She has the power to destroy things if she says the right words. Any morning I may wake up and find the house changed into a heap of dust, or perhaps be struck dead myself."

It seemed impossible that such things should be going on almost within sight of Miss Thompson's schoolroom window. And yet, judging by the gravity of Lewis's face, he was speaking in most sober earnest. John and Betty pressed tighter together, and took hold of each other's hands.

"I hope for your sakes that the old witch won't find out you've been talking to me," continued Lewis solemnly.

"Why what would she do?" Betty ventured to ask.

"That would depend on what sort of a temper she happened to be in," was the reassuring reply.

And then Lewis proceeded to tell such terrible tales about Mrs. Howard's power and malignity, that the poor twins longed to be safely back at home, out of sight of that weird brick house, whose commonplace walls concealed such dreadful deeds of cruelty.

CHAPTER XIII.

THE BROWN BAG.

Madge was spending her afternoon in a still more stirring manner than the twins. A shopping expedition to Churchbury was always an excitement, and it was extraordinary how many little purchases seemed absolutely necessary directly the children found out that one of them was going to town.