They may have had some doubt at first as to whether we were really pursuing them, but now as we followed every winding and turning which they took there could no longer be any question about it.

At Greenwich we were about three hundred paces behind them.

At Blackwall we could not have been more than two hundred and fifty.

I have coursed many creatures in many countries during my checkered career, but never did sport give me such a wild thrill as this mad, flying man-hunt down the Thames.

Steadily we drew in upon them, yard by yard.