So you think he's getting a move on him, Mr.Quest ?" "I think he had a truck waiting for him at the corner of Gayson Avenue," Quest replied.

"It was the machine my men went after.

The men looked like river thugs, although I shouldn't have thought of it if the Professor hadn't used the word 'river pirates.' It's quite clear that they took Craig down to the river.

There's only one likely ship sailing to-night and that's the _Durham_.

It's my belief Craig's on her." The Inspector glanced at the clock.
"Then we've got to make tracks," he declared, "and pretty quick, too.
She'll be starting from somewhere about Number Twenty-eight dock, a long way down.