Harry. "We'll have to leave her here and walk on."
The sail was lowered, the blankets and robes were picked up to be carried, and the four girls and boys set out over the ice.
"We must keep near the shore," said Bert. "Snow Lodge is right on the shore of the lake, and we can't miss it."
"Oh, suppose we did, and had to stay out all night?" cried Dorothy.
"We won't worry until we have to," spoke Nan.
It snowed harder and harder, and grew quite dark. Even Bert was worried. He and Harry walked on ahead, to keep the wind and snow as much as possible out of the faces of the girls.
"Bert, I'm sure we're lost!" cried Nan a little later. "We can't see where we're going! Don't go on any farther."
"We can't stay here on the ice all night," objected Bert.
"Well, it is pretty dark," said Harry. "Are there any houses around here?"
They gazed at the fast-gathering blackness
