I could not hear the man's voice in reply, but it did not sound like Rovigno's. It was rather like Gaskell's.
Still, we had heard enough to know that Julia Rovigno was on the yacht, had insisted on going on the expedition for the excitement of the thing, just as we had heard over the detectaphone.
"Hadn't we better warn her?" I asked Craig, who had paused in his work at the sound of voices.
Before he could answer we were plunged in sudden darkness. Someone had switched out the light that had been shining down through the hatchway. Before we knew it the opening to the hatchway had been closed.
CHAPTER XII
THE SUBMARINE BELL
Kennedy groped about for a light, stumbling over boxes and bags.
"For heaven's sake, Craig," I entreated. "Be careful. Those packages are full of the devilish things!"
He said nothing.