I went.

That which comes forth returned--this time empty-handed.
"And the next night I did the same thing.

Engrossed in research, I let the moments go by to the danger point, and scarcely was I replaced within the vault when the shining thing raced over the walls, and in its grip the woman and child.
"Then you came--and that is all.

And now--what is it you know ?" Very briefly I went over my story.

His eyes gleamed now and then, but he did not interrupt me.
"A great secret! A colossal secret!" he muttered, when I had ended.
"We cannot leave it hidden." "The first thing to do is to try the door," said Larry, matter of fact.
"There is no use, my young friend," assured Marakinoff mildly.
"Nevertheless we'll try," said Larry.