Then he added, hastily: "I don't wish you to think me a braggart, Mr. Rainsford. Many of them afford only the most elementary sort of problem. Occasionally I strike a tartar. One almost did win. I eventually had to use the dogs."

"The dogs?"

"This way, please. I'll show you."

The general steered Rainsford to a window. The lights from the windows sent a flickering illumination that made grotesque patterns on the courtyard below, and Rainsford could see moving about there a dozen or so huge black shapes; as they turned toward him, their eyes glittered greenly.

"A rather good lot, I think," observed the general. "They are let out at seven every night. If any one should try to get into my house—or out of it—something extremely regrettable would occur to him." He hummed a snatch of song from the Folies Bergère.