ten o'clock
`` I had forgotten that , '' said Julio , embarrassed . `` Ah ! I have it ! '' said Simon Turchi , after a moment 's reflection , `` A little before ten o'clock you must go to the house of Geronimo and tell him I am ill with fever , and that I have sent you in my place to accompany him armed . Follow him closely , and when he falls , take the pocket-book from him . Tell Bufferio that it is an unimportant document . '' Julio made a movement of displeasure on receiving this new order .