Sea RoversA glorious vision is Gloucester harbor, whether seen under the radiant sun of a clear June morning or through the haze and smoke of a mellow October afternoon. Gloucester town lies on a range of hills around the harbor, and fortunate is the man who chances to see it as the background to a stirring marine picture when on a still summer's morning a fleet of two or three hundred schooners is putting to sea after a storm, spreading their white duck