She sank down again upon the divan. But her expression did not change. He believed that she succeeded in making her face a mere mask while she thought with a furious rapidity.

"You don't mean to say," she at length said, "that you think anything—that you suppose one of the servants—Ibrahim—Hamza—? I can't believe it! I could never believe it!"

"Do you wish me to cure your husband?"

"Of course I wish him to be cured."

"Then please go now and tell him that you have asked me to stay here for the night. I don't want him to see me to-night. I will see him as soon as he wakes to-morrow."

"But—he doesn't—"

"Just as you like! Either I stay here and take charge of this case, or I go back to the boat at Edfou and to-morrow I put myself into communication with the proper authorities."

She got up again slowly.

"Well, if you really believe you can pull Nigel round quickly!" she said.

She moved to the door.