“Then take it off.”
The small change was made, we stepped on board, and the ropes were cast off. Jones, Holmes, and I sat in the stern. There was one man at the rudder, one to tend the engines, and two burly police-inspectors forward.
“Where to?” asked Jones.
“To the Tower. Tell them to stop opposite Jacobson’s Yard.”
Our craft was evidently a very fast one. We shot past the long lines of loaded barges as though they were stationary. Holmes smiled with satisfaction as we overhauled a river steamer and left her behind us.
“We ought to be able to catch anything on the river,” he said.
“Well, hardly that. But there are not many launches to beat us.”
“We shall have to catch the Aurora , and she has a name for being a clipper. I will tell you how the land lies, Watson. You recollect how annoyed I was at being balked by so small a thing?”
“Yes.”
“Well, I gave my mind a thorough rest by plunging into a chemical analysis. One of our greatest statesmen has said that a change of work is the best rest. So it is. When I had succeeded in dissolving the hydrocarbon which I was at work at, I came back to our problem of the Sholtos, and thought the whole matter out again. My boys had been up the river and down the river without result. The launch was not at any landing-stage or wharf, nor had it returned. Yet it could hardly have been scuttled to hide their traces—though that always remained as a possible hypothesis if all else failed. I knew this man Small had a certain degree of low cunning, but I did not think him capable of anything in the nature