again the door of the smoking car opened , leaking curses and shouts , and merry gay rushed from the railing to a black closet-like canister , to the left of the door , peeping around to see nate shirley holding out what looked like a shotgun , crossing to the dining coach door , kicking it , then shoving it open with one hand and bawling as he passed through , `` you son of a bitches , i know you 're in here . ''