The windows of the study were barred and locked, and heavy dark curtains closed them in.

When this was done not a gleam of light from the tower could be seen from outside.
When they were alone, Sir Nathaniel explained that he had taken his old friend, Mr.Salton, into full confidence, and that in future all would work together.
"It is important for you to be extremely careful.

In spite of the fact that our marriage was kept secret, as also your temporary absence, both are known." "How?
To whom ?" "How, I know not; but I am beginning to have an idea." "To her ?" asked Adam, in momentary consternation.
Sir Nathaniel shivered perceptibly.
"The White Worm--yes!" Adam noticed that from now on, his friend never spoke of Lady Arabella otherwise, except when he wished to divert the suspicion of others.
Sir Nathaniel switched off the electric light, and when the room was pitch dark, he came to Adam, took him by the hand, and led him to a seat set in the southern window.

Then he softly drew back a piece of the curtain and motioned his companion to look out.
Adam did so, and immediately shrank back as though his eyes had opened on pressing danger.

His companion set his mind at rest by saying in a low voice: "It is all right; you may speak, but speak low.