The next instant Ribiera choked with terror.

"Let me explain," said Bell softly. "I did not give your major-domo my word that I was unarmed. I merely gave him a weapon. I got these from two policemen who tried to arrest me an hour or so ago. And I also remind you, Senhor, that if the armed men you have posted to prevent my escape try to shoot me, that the inevitable contraction of my muscles will send two bullets into your heart—even if I am dead. I am a dead man, Senhor, if you give the word, but so are you if you give it."

Ribiera gasped. His eyes rolled in his head.

"Send for her," said Bell very gently. "Send for her, Senhor. I estimate that she has been in this house for less than half an hour. Have her brought here at once, and if she has been harmed the three of us will perish very promptly, and half of Rio will go mad after our death."

And the muzzles of two revolvers bored into the fat flesh of Ribiera's body, and a gasp that was almost a wail of terror came from the watchers—armed watchers—who dared not kill the man they had been posted to guard Ribiera against.

Ribiera lifted his hand and croaked an order.

(To be continued.)