Snap won't go far. I'll bring him back. Where's your whistle, Bert?"
Bert had followed his father, while Nan stayed with her mother to help get Dinah up. Dinah was so fat that once she sat down flat on the platform she could hardly get up alone. It was not often, of course, that she sat down that way. This time it was an accident. So while Mrs. Bobbsey and Nan were helping up the fat cook, Bert gave his father a tin whistle he carried for calling Snap when the big dog was far away.
Mr. Bobbsey blew a loud blast on the whistle. Snap, who was now running down the street after the strange dog, turned and looked back. But he did not come toward the station.
"Come here, Snap!" called Mr. Bobbsey. "Come here at once!" And he said it in such a way that Snap knew he must come. Again the whistle was blown and Snap, with a last bark at the dog which had made so much trouble, turned and came running back.
"I wish you could call my dog back as easily as you called yours," said the man who owned the animal Snap had been chasing. "But I
