"Whatever your plan may be, doctor, it will suit me. Speak!" "Above all things, it is important that Joe should hear from us in some way." "Undoubtedly. Suppose the brave fellow should take it into his head that we have abandoned him?" "He! He knows us too well for that. Such a thought would never come into his mind. But he must be informed as to where we are." "How can that be managed?" "We shall get into our car and be off again through the air." "But, should the wind bear us away?" "Happily, it will not. See, d**k! it is carrying us back to the lake; and this circumstance, which would have been vexatious yesterday, is fortunate now. Our efforts, then, will be limited to keeping ourselves above that vast sheet of water throughout the day. Joe cannot fail to see us, and his eyes wi