killing or maiming Caradoc's crew, Madden could not tell.
One thing, however, he did observe, that aroused an anxious hope in the boy's heart. A heavy column of smoke ascended from the tug's funnel, and a tongue of steam played in its edge.
A frenzy of impatience seized Madden. If the Vulcan could only get under way and escape the fight! Why didn't they start at once! In the vivid light, he saw the steering wheel turning, apparently of its own accord, and he knew that someone was manipulating the hand grips from the bottom side.
From those slight signs of preparation, Madden's attention was suddenly whipped back to his business, by the sight of two figures climbing on over the prow of the Vulcan. These men had no doubt caught a hook in the anchor port and had climbed up without opposition.
The invaders stood clearly limned by the searchlight, trying to pick out a target for their fire, when Madden reached for the coal pile. The American had once been pitcher for his college team, and the lump of coal crashed under
