"Well, boys," said the doctor, at last, "this project of yours doesn't seem to me to be altogether safe, and I don't like to trust you in this way without anybody as a responsible guardian."
Bart smiled.
"O, sir," said he, "you need not be at all uneasy. All of us are accustomed to take care of ourselves; and besides, if you wanted a responsible guardian for us, what better one could be found than Captain Corbet?"