“I don’t understand,” sighed Oke.

How could he? And if I had tried to make him do so, he would merely have thought I was insulting his wife, and have perhaps kicked me out of the room. So I made no attempt to explain psychological problems to him, and he asked me no more questions until once—But I must first mention a curious incident that happened.

The incident was simply this. Returning one afternoon from our usual walk, Mr. Oke suddenly asked the servant whether any one had come. The answer was in the negative; but Oke did not seem satisfied. We had hardly sat down to dinner when he turned to his wife and asked, in a strange voice which I scarcely recognised as his own, who had called that afternoon.

“No one,” answered Mrs. Oke; “at least to the best of my knowledge.”

William Oke looked at her fixedly.

“No one?” he repeated, in a scrutinising tone; “no one, Alice?”

Mrs. Oke shook her head. “No one,” she replied.

There was a pause.

“Who was it, then, that was walking with you near the pond, about five o’clock?” asked Oke slowly.

His wife lifted her eyes straight to his and answered contemptuously—