At first he looks behind him often to assure himself that Jo is still really following. But look where he will, he still beholds him close to the opposite houses, making his way with his wary hand from brick to brick and from door to door, and often, as he creeps along, glancing over at him watchfully. Soon satisfied that the last thing in his thoughts is to give him the slip, Allan goes on, considering with a less divided attention what he shall do.

He looks behind him often to assure himself that Jo is still following, and sees him making his way with his wary hand from brick to brick and from door to door.
