That's when the rays ran through the ship," said Slade. "It seemed to follow the deck-lines."
"The stuff had a strange affinity for tar," said Darrow. "I told you of the circle of fire about Professor Schermerhorn's waist the day he gave me such a scare. That was the celestium working on the tarred rope he wore for a belt. It made a livid circle on his skin. Did I tell you of his experiments with pitch? It doesn't matter. Where was I?"
"At the place where we all jumped," said Slade.
"Oh, yes. And you dove into the small boat, trying to reach the water."
"Wait a bit," said Barnett. "If that was the exhibition of radiance we saw, it died out in a few minutes. How was that? Did they close the chest before they ran?"
"Probably not," replied Darrow. "Slade spoke of Pulz taking to the maintop and being shaken out by the sudden shock of a wave. That may have been a volcanic billow. Whatever it was, it undoubtedly heeled the ship sufficiently to bring down both lids, which were rather delicately balanced."
"Yes, for Billy Edwards found the chest closed and locked," said Barnett.
"Of course; it was a spring lock. You sent Mr. Edwards and his men aboard. No such experts as Pulz or Perdosa were in your crew. Consequently it took longer to get the chest open. When at length the lid was raised, there was a repetition of the tragedy. Mr. Edwards and his men leaped. Probably they were paralysed almost before they struck the water. Your bos'n, whom Slade picked up, was the
