said 'Let's get over the wall,'" answered Rob, quoting one of Demi's expressions.
"Did you stop to see if it did?"
"No."
"Then you cannot tell."
"I guess it's such a little conscience that it don't prick hard enough for me to feel it," added Rob, after thinking the matter over for a minute.
"We must sharpen it up. It's bad to have a dull conscience; so you may stay here till dinner-time, and talk about it with Nan. I trust you both not to untie yourselves till I say the word."
"No, we won't," said both, feeling a certain sense of virtue in helping to punish themselves.
For an hour they were very good, then they grew tired of one room, and longed to get out. Never had the hall seemed so inviting; even the little bedroom acquired a sudden interest, and they would gladly have gone in and played tent with the curtains of the best bed. The open windows drove them wild because they could not reach them; and the outer world seemed so beautiful, they wondered how they ever found the heart to say it was dull. Nan pined for a race round the lawn, and Rob remembered with dismay that he had not fed his dog that morning, and wondered what poor Pollux would do. They watched the clock, and Nan did some nice calculations in minutes and seconds, while Rob learned to tell all the hours between eight and one so well that he never forgot them. It was maddening to smell the dinner, to know that there was to be succotash and huckleberry pudding, and to feel that they would not be on the spot to secure good helps of
