"Well," said Gebb, thoughtfully, "I have my doubts regarding his guilt in both cases. I agree with you, going by the story told to me by Parge, that Miss Gilmar killed Kirkstone, but who killed Miss Gilmar?" "Some unknown person, for the sake of the diamonds," returned Prain, promptly. "The diamonds?" "Yes. Miss Gilmar took possession of Laura Kirkstone's jewels, and amongst them were some valuable diamonds. I read in the papers that Miss Gilmar wore those diamonds nightly, and that when her dead body was discovered the diamonds were gone." "True enough," replied Gebb, "It might be a case of robbery, as you say. But if the murderer tries to dispose of those diamonds by sale or pawning, I'll be able to catch him." "I may tell you," said Prain, after some reflection, "that the most valuable of Laura's jewels was a diamond necklace, which I see by the reports in the papers was stolen by the murderer. Now, that necklace was given to Laura by Dean, and Miss Gilmar had no right to it." "But how could Dean, who was almost bankrupt, afford to give Laura a diamond necklace?" "The necklace was a family jewel," said the solicitor, quickly; "and I have a description of it. This I shall have copied and give it to you; it may assist you to trace the necklace." "And thereby snare the murderer," answered Gebb. "Thank you, Mr. Prain; the description you speak of will be very serviceable. And now I wish to ask you a few questions about Miss Gilmar, if you don't mind replying to them?" "Why should I mind?" retorted Prain, raising his eyebrows. "Parge gave me to understand you were as close as wax," said Gebb, pointedly. "I use his own words." Prain shrugged his shoulders. "I don't deny it," he said quietly. "Why should I? Twenty years ago I was trying to save Dean from being hanged, while Parge was doing his best to place the rope round the man's neck. Naturally, I was on my guard, and refused to tell Parge all I knew. Your position is a different one, Mr. Gebb; as, with me, you desire to learn the name of Miss Gilmar's murderer. I am quite at your service, and you can ask me what you please." "Thank you. Then tell me who inherits Miss Gilmar's property?" "Do you mean her real or personal estate?" asked Prain. "Both," replied Gebb, promptly. "Well, then, you must know that the Kirkstone estates were entailed; but the entail ended with that first murder." "So I heard from Parge, Mr. Prain. In the male line."