‘Absolutely none, monsieur,’ returned Thomas, who was evidently amazed at this new development, ‘I am quite positive we only sent one.’ ‘I suppose it’s impossible that Felix’s order could have been dealt with twice in error, once by you here, and once by the head office in the rue Provence?’ ‘I should say quite, because they do not stock the good work there, it is all stored and dealt with here. But if you like I’ll phone the head office now, and make quite sure.’ In a few minutes there was a reply from M. Thévenet. No cask of any kind had been sent out from the rue Provence establishment on or about the date mentioned, and none at any time to Felix. ‘Well, M. Thomas, it’s certain, is it not? that one of your casks was sent by Rouen and long sea about the 1st instant. Do you think you could let me have a list of all the casks of that size that were out of your yard on that date? It must have been one of them.’ ‘Yes, I suppose it must. I think I can give you that information, but it will take some time to get out.’ ‘I’m sorry for giving you the trouble, but I see no other way. We shall have to follow up each of these casks until we find the right one.’ M. Thomas promised to put the work in hands without delay, and Burnley continued:-- ‘There is another point. Could you tell me something about your dealings with M. Raoul Boirac, of the Avenue de l’Alma, and particularly of any recent sales you made him?’ ‘M. Boirac? Certainly. He is a very good customer of ours and a really well-informed amateur. For the last six years, since I was appointed manager here, we must have sold him thirty or forty thousand francs worth of stuff. Every month or two he would drop in, take a look round, and select some really good piece. We always advised him of anything new we came across and as often as not he became a purchaser. Of recent sales,’ M. Thomas consulted some papers, ‘the last thing we sold him was, curiously enough, the companion piece of that ordered by Felix. It was a marble group of three female figures, two standing and one seated. It was ordered on the 25th of March, and sent out on the 27th.’ ‘Was it sent in a cask?’ ‘It was. We always use the same packing.’ ‘And has the cask been returned?’ M. Thomas rang for a clerk and asked for some other papers. ‘Yes,’ he said, when he had looked over them, ‘the cask sent to M. Boirac on the 27th of last month was returned here on the 1st instant.’ ‘One other point, M. Thomas. How can one distinguish between the two groups, that sent to M. Felix, and that to M. Boirac?’ ‘Very easily. Both consist of three female figures, but in M. Felix’s two were seated and one standing, while in M. Boirac’s two were standing and one seated.’ ‘Thank you very much. That’s all I want.’ ‘Not at all. Where shall I send that list of casks?’ ‘To the Sûreté, if you please,’ and with a further exchange of compliments the two men parted.