about three o’clock
This button belonged to Florentin . '' `` To your brother ? '' `` Yes , to Florentin , who , the day of the crime , had been to see Caffie . '' `` That is true ; the concierge told the commissioner of police that he called about three o'clock . '' Phillis gave a cry of despair . `` They know he was there ? Then it is more serious than we imagined or believed . ''