“ Da! ” it was Marakinoff, reading my thoughts uncannily. “ Da! We will be thirsty. And it will be very bad for him of us who loses control and drinks of that, my friend. Da! ”

Larry threw back his shoulders as though shaking a burden from them.

“This place would give an angel of joy the willies,” he said. “I suggest that we look around and find something that will take us somewhere. You can bet the people that built it had more ways of getting in than that once-a-month family entrance. Doc, you and Olaf take the left wall; the professor and I will take the right.”

He loosened one of his automatics with a suggestive movement.

“After you, Professor,” he bowed, politely, to the Russian. We parted and set forth.