“You mustn’t say ‘I’m a fish,’” she explained finally. “You just say ‘fish.’ And you must only count to ten, papa.” “Oh! Then I’ll try again,” answered the doctor, cheerfully. He fixed Harry with a stern look and said: “Fish! One, two--” “Flounder!” cried Harry. “Three, four, five, six--” “But I said it!” Harry cried. “You mustn’t count any more.” “Oh, then what must I do now?” “You must try again until you catch some one. Try Dick.” So the doctor tried Dick with no better result, and then Roy and finally Chub. “You mustn’t say ‘fish’ every time,” Harry explained. “If you do, we know what to expect. Try ‘fowl’ or ‘flesh.’” But the doctor shook his head. “I guess I’d better stick to fish,” he replied. “I can remember that. Besides, I’m fond of fish.” Finally Chub took pity on him and allowed himself to be caught, and the doctor sank gratefully into his chair, sighing with relief and mopping his face with his handkerchief. They tried other games after that and kept up the fun until the clock in the wheel-house warned them that it was past bedtime. The doctor and Harry slept on the boat, but the boys sought the tent on shore. The moon came up while they were getting ready for bed, and with it came a fresh breeze out of the southwest, which, according to Chub, “just filled the bill.” At all events, it made the tent a much more comfortable sleeping-place, and it wasn’t very long before they were all slumbering. If Chub was first asleep, he was likewise the first of the three to awake. He sat bolt upright, staring through the gray door of the tent. The sky had clouded over, and the moonlight no longer made the night radiant. Chub wondered what had awakened him, and even as he wondered the answer came to him in a shrill, frightened cry from the house-boat: “_Papa! Chub! Help!_” It was Harry’s voice, and Chub was out of the tent in an instant, with a whoop of reassurance. The world was gray-black, and objects were only dimly discernible. But he knew the way to the boat well enough, and went hurrying, stumbling over the grass and through the little bushes. As he went, a light sprang into view somewhere aboard, Snip barked loudly, and at the same moment he collided with a figure on the bank. “Who’s that?” called Chub. “What’s the matter?” [Illustration: The figure disappeared noiselessly into the night] There was no response, and the figure disappeared noiselessly into the night. Then a white-clad figure appeared at the edge of the boat, and the doctor’s voice said: “Dick! Chub! Are you there?” “Yes, sir,” answered Chub, scrambling aboard. “What’s up?” “Harry had a fright,” replied the doctor, calmly. “I fancy she was only dreaming, but she says she awoke and saw some one at her window on the other side of the boat. But I heard no one until you came.” “I did,” answered Chub, looking regretfully back. “I ran into some one just before you called. I asked who it was, and got no answer.”