Early on a summer morning, about the beginning of the nineteenth century, two fishermen of Forfarshire wended their way to the shore, launched their boat, and put off to sea. One of the men was tall and ill-favoured, the other, short and well-favoured. Both were square-built, powerful fellows, like most men of the class to which they belonged. It was about that calm hour of the morning which precedes sunrise, when most living creatures are still asleep,...