“But why not knock her on the head?” he growled. “It would be simple. The boat is all ready. She could be taken out to sea?”

“Yes,” said Chichester meditatively. “That is what I should do. She knows too much, that is certain. But the ‘Colonel’ is a man who likes to play a lone hand—though no one else must do so.” Something in his own words seemed to awaken a memory that annoyed him. “He wants information of some kind from this girl.”

He had paused before the information, and the Dutchman was quick to catch him up.

“Information?”

“Something of the kind.”

“Diamonds,” I said to myself.

“And now,” continued Chichester, “give me the lists.”

For a long time their conversation was quite incomprehensible to me. It seemed to deal with large quantities of vegetables. Dates were mentioned, prices, and various names of places which I did not know. It was quite half an hour before they had finished their checking and counting.

“Good,” said Chichester, and there was a sound as though he pushed back his chair. “I will take these with me for the ‘Colonel’ to see.”

“When do you leave?”