They slid back the door to the cabin and passed inside. The long apartment was equipped with comfortable passenger seats, five on each side of the narrow central aisle. Big observation windows ran the length of the cabin, and a door at the rear led direct to the prison hold in which Bill had made the trip from Shell Island. Investigation proved that the wooden bars of the cells had been removed and piled at the farther end. Neatly stacked in bins arranged for the purpose were a goodly number of small canvas sacks. Each bag was padlocked.