The professor's talk was mainly about the ungrateful desertion, as he called it, of his assistant.
"'Keep him away from this island,' he says.

'If he comes, I shall commit murder; I know it.' "Scudder promised that Augustus shouldn't come back.

The professor wanted guard kept night and day.

Nate said he didn't know's he could afford so much time, and Dixland doubled his wages on the spot.

So Nate agreed to stand double watches, made him comfort'ble for the night, and left him.
"Olivia didn't come downstairs again.