"I think the fat's in the fire now," said Lupin, laughing.
He sprang to the table, opened the cardboard box, whipped off the top layer of cotton-wool, and took out a shining bomb.
He sprang to the wall, pressed the button, the bookshelf glided slowly to one side, the lift rose to the level of the floor and its doors flew open just as the detectives rushed in.
"Collar him!" yelled Guerchard.
"Stand back—hands up!" cried Lupin, in a terrible voice, raising his right hand high above his head. "You know what this is . . . a bomb. . . . Come and collar me now, you swine! . . . Hands up, you . . . Guerchard!"
"You silly funks!" roared Guerchard. "Do you think he'd dare?"
"Come and see!" cried Lupin.
"I will!" cried Guerchard. And he took a step forward.
As one man his detectives threw themselves upon him. Three of them gripped his arms, a fourth gripped him round the waist; and they all shouted at him together, not to be a madman! . . . To look at Lupin's eyes! . . . That Lupin was off his head!
"What miserable swine you are!" cried Lupin scornfully. He sprang forward, caught
