explanation. The theory fits all the other facts remarkably, doesn't it?"
"Remarkably," agreed Simon.
"This letter of yours, for instance, was a very ordinary business communication, I understand."
"Very ordinary," said Simon.
"Of course, you have a copy of it in your letter book—and also Sir Reginald's reply?"
There was a moment's pause and then Simon's grunt seemed to be forced out of himself. But he followed the grunt with a more assured, "Certainly."
"May I see them?"
"You—you think they are important?"
"As bearing on Sir Reginald's state of mind only."
Simon rang his bell and ordered the letter book to be brought in. While Carrington was examining it, his eyes never left his visitor's face, but they would have had to be singularly penetrating to discover a trace of any emotion there. Throughout his inspection, Carrington's air remained as imperturbable as though he were reading the morning paper.
"According to these letters," he observed, "there seems to have been a trifling but rather curious misunderstanding. In accordance with written instructions of a fortnight previously, you had arranged to let a certain farm to a certain man, and Sir Reginald then complained that you had overlooked a conversation between those dates in which he had cancelled these instructions.
