"I wonder if we'd have time to walk out on the ice a little?" asked Mark. "I haven't had a chance to look around, we've been so busy since we landed."
"We'll ask the captain," spoke Jack. "I'd like a little stroll myself."
The inventor had no objections.
"Don't go far away," he cautioned. "We'll start very soon now, and don't go near those animals."
The boys promised, and then, climbing over the rail, and down the ice hummocks they walked along a broad level expanse that stretched out for about a mile.
They had not gone far before Jack, who was in the lead, came to a halt.
"Look here!" he called to Mark, who came hurrying up.
"What is it?"
"There's a pile of bones frozen into the ice! Looks as if there had been a fight here between bears and sea lions, and this is all that was left. They ate each other up, all but the bones, which became covered with ice."
"Those aren't animal bones, Jack!"