Pembury remained immersed for the remainder of the journey, had nothing whatever to do with the quarterly allowance; they were concerned exclusively with the elimination of ex-warder Pratt.
Now Rufus Pembury was not a ferocious man. He was not even cruel. But he was gifted with a certain magnanimous cynicism which ignored the trivialities of sentiment and regarded only the main issues. If a wasp hummed over his tea-cup, he would crush that wasp; but not with his bare hand. The wasp carried the means of aggression. That was the wasp's look-out. His concern was to avoid being stung.
So it was with Pratt. The man had elected, for his own profit, to threaten Pembury's liberty. Very well. He had done it at his own risk. That risk was no concern of Pembury's. His concern was his own safety.
When Pembury alighted at Charing Cross, he directed his steps (after having watched Pratt's departure from the station) to Buckingham Street, Strand, where he entered a quiet private hotel. He was apparently expected, for the manageress greeted him by his name as she handed him his key.
"Are you staying in town, Mr. Pembury?" she asked.
"No," was the reply. "I go back to-morrow
