"None ever came to his home," replied Doctor McMurdoch. "He had
all the Anglo-Indian's prejudice against men of colour." He
rested his massive chin in his hand and stared down reflectively
at the carpet.

"Then you have no suggestion to offer in regard to this person?"

"None. Did he tell you nothing further about him?"

"Unfortunately, nothing. In the next place, Doctor McMurdoch, are
you aware of any difference of opinion which had arisen latterly
between Sir Charles and his daughter?"

"Difference of opinion!" replied Doctor McMurdoch, raising his
brows ironically. "There would always be difference of opinion
between little Phil and any man who cared for her. But
out-and-out quarrel--no!"

Again Harley found himself at a deadlock, and it was with scanty
hope of success that he put his third question to the gloomy
Scot. "Was Sir Charles a friend of Mr. Nicol Brinn?" he asked.

"Nicol Brinn?" echoed the physician. He looked perplexed. "You
mean the American millionaire? I believe they were acquainted.
Abingdon knew most of the extraordinary people in London; and if
half one hears is true Nicol Brinn is as mad as a hatter. But
they were not in any sense friends as far as I know." He was
watching Harley curiously. "Why do you ask that question?"

"I will tell you in a moment," said Harley, rapidly, "but I have