When Rollo was about twelve years of age, he made a voyage to Europe under rather extraordinary circumstances. He went alone; that is to say, he had no one to take care of him. In fact, in addition to being obliged to take care of himself, he had also his little sister Jane to take care of; for she went with him. The way it happened that two such children were sent to sea on such a long voyage, without any one to have them in charge, was this.