“I ask for your promise, however,” he said.

“And if we don’t give it you?” said Catherine.

He looked at her closely, and she felt that he hated her at that moment.

“I shall merely have to find some other way of getting things delivered,” he said, “so that you shall not st—intercept them.”

There was silence.

“I ask for your promise,” he repeated.

Maud threw back her head.

“I promise,” she said. “It is no use refusing.”

“And I,” said Catherine, getting up. “Is that all, Thurso?”

Thurso put his hand to his head suddenly, with a wince of pain he could not control.