The basket had been emptied.

The discoveries he had made kept Tom awake during a good part of the night. They were very disturbing. Reinecke's explanation had been plausible enough, and it was possible Tom was mistaken in his recollection of the numbers on the vouchers. But the German's haste in disposing of the contents of the basket bred an ugly suspicion. Were there other such "duplicates" in existence? Did the books account for only a part of the consignments? Had Reinecke, in fact, been systematically robbing his partners? Tom felt worried and perplexed. Here, thousands of miles from home, young and inexperienced, he was hardly in a position to deal with a clever rogue, if Reinecke was in truth a rogue; and he wished that he had some older person at hand, some one like blunt, rugged old Mr. Barkworth, to whom he could turn for advice. He was not likely to find any help among the Germans in Bismarckburg, and inquiries of the shipping clerk would probably be fruitless. Of course, he might question Reinecke's own clerk, but that course had very obvious disadvantages.

He concluded that he could do nothing at present except mention the matter in his next letter to his brother, and be more than ever alert in studying his host. To play the part of detective was abhorrent, but there seemed to be no help for it, and he writhed inwardly at the idea of living under the same roof with a man whom he distrusted but with whom he must try to keep up an appearance of friendship.

When the next mail day came, his feeling of mistrust prompted him to give his letter into the hand of the negro postman just as the latter was starting. Reinecke's correspondence was as usual placed in a padlocked bag. The man had gone about a mile on his way from the plantation when Reinecke overtook him, carrying two letters.

"I forgot these," he said. "Put down your bag."

He unlocked the bag, dropped his letters into it, and took up the voucher slip bearing the number of letters enclosed; this would be signed at the post office and brought back with the incoming mail.

"That letter of Mr. Willoughby's had better go in too," he said. "Give it to me."

The man took it from the folds of his loincloth, and Reinecke appeared to drop it into the bag. In reality he put it into his pocket. Having altered the figures on the slip, he relocked the bag and dismissed the man. Twelve hours later the postman returned and delivered his bag as usual into his master's hand.

Next day, in going about the plantation, Tom, as was natural enough, sought the negro, to ask him whether he had duly posted the letter entrusted to him in so unusual a manner. But he could not find the man, and on asking where he was, learnt that he had been sent on an errand to Bismarckburg. It was nearly a fortnight before he returned to the plantation, and by that time Tom was no longer in a position to make any inquiry of him.

[CHAPTER IV--TRAPPED]