Concealment was impossible now; and looking back over his shoulder, he could see the black figure of the old gentleman coming after him with long, swinging strides like a man winning a mile race.

But the head upon that bounding body was still pale, grave and professional, like the head of a lecturer upon the body of a harlequin.
This outrageous chase sped across Ludgate Circus, up Ludgate Hill, round St.Paul's Cathedral, along Cheapside, Syme remembering all the nightmares he had ever known.

Then Syme broke away towards the river, and ended almost down by the docks.

He saw the yellow panes of a low, lighted public-house, flung himself into it and ordered beer.

It was a foul tavern, sprinkled with foreign sailors, a place where opium might be smoked or knives drawn.
A moment later Professor de Worms entered the place, sat down carefully, and asked for a glass of milk..