I have an instinct for danger when it is sufficiently obvious and immediate, and I lost no time meditating this new development. I made straight for the door, and was on the point of assaulting Fritz with Nature’s weapons, which unfortunately were the only ones at my disposal, when I found myself looking plumb into the muzzle of an automatic pistol. “Hands up,” he commanded. For an instant I thought to close with him, pistol or no pistol, but a click behind my back warned me that I was covered by more than one of these effective and disagreeable weapons. Shrugging my shoulders, I walked back to the table, noting as I turned that it was Schreckermann who had me covered from the rear. The Professor had not moved from the table. He still sat in his chair. He had the air of one speculating

