“I’ll tell you why,” said Charlie; “because it didn’t break after we were in sight. It is one of those breakers I have heard father tell of, that break only once in a good while; he said, that while some break every three minutes, and oftener, others break only once in fifteen minutes, or half an hour; and you cannot see such breakers in the night, and might be running right over one when it broke, as we came near doing just now.”