"You are a dead man, Captain Lenoir, if you move so much as a muscle. You are my prisoner, senor.  No,"--as I saw by the expression of his eye that he had it in his mind to suddenly spring upon and disarm me--"not a movement, I pray you.  To attempt what you are thinking of would be fatal, for upon your slightest motion I will pull the trigger and blow your brains out; I will, as surely as that you are sitting there." Then, slightly raising my voice, I called--