"being only human, I almost instantly deviated from truth into error. In fact, I freely confess to you that there and then I made what I consider to be the greatest and most fatal mistake of my career.
"Absolutely certain as I was that the diamond had been conveyed through the air to the Barkly Hills, and that Mr. Philip Marsden's shooting expedition had been undertaken with the object of recovering it, I had all the approaches to the town watched till he came back. He came in by the Old Transvaal Road about an hour after dark. I had him arrested, took him into the house of one of my men who happened to live out that way, searched him, as I might say, from the roots of his hair to the soles of his feet, and found—nothing.
"Of course he was indignant, and of course I looked a very considerable fool. In fact, nothing would pacify him but that I should
