sail on the Ice Bird before starting off on the longer cruise.
As the four walked around a point of land; and came within sight of the ice-boat, tied to a stake in the ice of the cove, Harry uttered a cry.
"Look!" he exclaimed to Bert, "someone is at your boat!"
"That's right!" cried Bert, starting to run. Just then a figure skated away from the craft, and Bert breathed a sigh of relief.
"I guess it was only someone taking a look at her," he said. "There aren't many on the lake."
"We can't go very far," said Nan, as they neared the boat, "for mamma said to be back early. We've got a great deal of packing to do yet."
"We'll just take a little spin," replied Bert.
They were soon on the ice-boat, gliding up and down the lake, which was frozen to a glassy smoothness.
"If it's like this to-morrow it will be grand for skating!" exclaimed Nan.
"Yes, and fine for ice-boating, too," replied
