She watched the Vicomte's skilful treatment of the maimed hand with interest. There was a precision in his movement and a deft touch that indicated both knowledge and practise. "You are a doctor?"

"Yes," he said, without looking up from his work, "I studied when I was a young man and passed all the necessary examinations. It is indispensable when one travels as I do. I have found it invaluable."

He took up some dressing that Henri held ready for him, and Diana handed the now unwanted bowl to Gaston. She looked again at the Arab, whose impassive face showed no sign of any feeling. "Does he feel it very much, do you think?" she asked the valet.

He laughed and shrugged his shoulders. "Less than I should, Madame. What is really troubling him is the thought of what Monseigneur will say when he hears that Selim was fool enough to buy a worthless gun from one of the servants of the Dutchman who passed here last week," and he added a few teasing words in Arabic which made Selim look up with a grimace.

Saint Hubert finished adjusting the bandages and stood up, wiping the perspiration from his forehead.

"Will he do all right now?" asked Diana anxiously.

"I think so. The thumb is gone, as you saw, but I think I can save the rest of the hand. I will watch him carefully, but these men of Ahmed's are in such excellent condition that I do not think there will be any trouble."

"I am going to ride," said Diana, turning away. "It is rather late, but there is just time. Will you come?"

It was a temptation and he hesitated, gathering together the instruments he had been using, but prudence prevailed.

"I should like to, but I ought to keep an eye on Selim," he said quietly, snatching at the plausible excuse that offered. He found her later before the big tent as she was ready to start, and waited while she mounted.