george , henry , and marchdale , met in one of the lower rooms of the house , previous to starting upon their expedition ; and after satisfying themselves that they had with them all the tools that were necessary , inclusive of the same small , but well-tempered iron crow-bar with which marchdale had , on the night of the visit of the vampyre , forced open the door of floras chamber , they left the hall , and proceeded at a rapid pace towards the church .