-- ' —-., :-l’ L—1 ■ .1.1 ■ i “By all means,” she replied, rising with sudden energy, ns though she were fearful that Kennedy might reconsider his offer. “I was almost afraid to come to you at first—and then I didn’t know whether it would be fair to Mr. liavenal to do it any how. There must be some way in which we can all go ahead to gether.” A quarter of an hour later our taxicab pulled up before an old brown-stone house, which the up ward march of trade had con verted from a splendid dwelling of the past generation to an in different office building of the present, We entered the building and climbed the stairs to the second floor. Clr*9 tapped on the door - of a froiw room and it was •pened quickly by a colored boy. At the sight of Miss Claremont he bowed and ushered us in. Whatever may be said of Rav enal as a criminal investigator he certainly was a connoisseur. I had expected to find a detective offiee with perhaps several op eratives hanging about in a back office. This place was the direct • antithesis. Few artists might have boasted a studio or den Which was more beautifully fitted than this headquarters of the so ciety detective. But then, 1 re flected that was probably the very genius of the man and part of his stock in trade. Ravenal himself was a moder ately tail, dark haired and olive eomplexioned young man of a type which one may see by the score any afternoon on the ave nue. The only difference be tween Ravenal and the tpye was that, if anything, he seemed to be the mould from which the others were cast. That, too, was a point in his favor as a society detective. There was no social gathering at which Ravenal would not pass as one of the inne'r circle itself. As Clare introduced us I •watched Kavenal closely to see how he was going to take the change. Instead of showing any annoyance, the young detective stretched out his hand frankly to Craig and smiled, showing a per fect row of teeth. To Work Hand In Hand. “Really, Professor Kennedy,” he greeted. “I cannot help say ing I am delighted. When Miss Claremont came to me at first I was only too glad to take the case, for it seemed as though it must be that I possessed the con fidence of other clients of her ac quaintance. But the case is too big. If I might be associated with you and even share in the credit of it I would be quite satisfied.” Kennedy said very little, al though he had a way of putting anyone at ,his ease. We sat down in the wonderful easy chairs that Ravenal had gathered and with a few well-directed questions Kennedy was straight way into the heart of the ease. If Ravenal had any expectation of cross-examining Kennedy he must have realised immediately that he had met more than his match. Kennedy interviewed him with an art that I envied. It would have been a wonderful asset to anyone in the newspa per business. I shall not attempt to repeat the long story of Hie fruitless ef forts of Clare Claremont, Jack Speed and Ravenal to trace out even the slender clues contained In the packet of notes found among the effects of Martin Dale. Ft was true that after re viewing them I was forced to the conclusion that none had actually been a good clue. And yet all seemed to have presented possi bilities wneiner uie duck Menace was an individual as seemed to be hinted at in Granby’s letter, or a gang of blackmailers, as Miss Claremont evidently thought, was still as mysterious as e,ver. That there was some individual who was the head and brains of the gang, if gang there were, was at least certain. The frustration of every attempt, whether by Clare herself, or by Jack Steed with his newspaper connections, or by Ravenal, seemed to point to the fact that there was more than one. Even the method of blackmail ing was still a mystery, whether it was through beautiful women or shady finance, or both. But that there was some powerful weapon wielded by the Black • Menace wa*> vnnd q '^ion z As we sat there, forgetful of the minutes, it seemed that in our Consideration of the case, we were exhausting the list of the best-known men and women of the metropolis. There was every reason to believe that the opera tions of the Black Menace had reached into the lives of which we did not dream. The most dif ficult, in fact seemingly impos sible, part of it was that by the very nature of the affair evi dence against the Black Menace was concealed, not only by the Black Menace itself, but by its very victims. Waiting for Developments. It was late in the afternoon when we left Ravenal, and we still had not arrived at any pro gram of action, further than that after thinking it over we were to meet that night at dinner at the Crystal Palace, a new and very popular restaurant. On the sidewalk again before Ravenal’s den, we paused wait ing for a taxicab. ^ “You think that we can do something t inquire^ Miss Clare mont, anxious and eager. “We can do no more than try,” replied Kennedy and the words, though colorless, had a ring of confidence in them which caused her to press his hand in thanks as he placed her in the* cab which he had beckoned. Another cab cruising down uie street pulled up sharply at Ken nedy’s nod. “Jump in, Walter,” he said, then turned to the driver, direct ing him to Madison avenue and East Thirty-fourth street. Then, as he joined me in the cab, he whispered, “It will be our only Chance to see Granby unobserved —if indeed we can do so even now. We must pick up the trail there.” CHAPTER 2 The Green Death. I reflected on the danger of the visit, not so much to our selves as to Granby. If Granby knew that Clare had been to see us, others might knoAV it, too —might even know of Granby’s own attempt at secret communi cation and assistance to her. Kennedy, I saw also, felt that we must observe the conditions of the girl. Yet the Black Men ace had covered up its tracks so well that after our talk with Ravenal we had no point of at tack. Every lead that had oc curred so far seemed to have been exhausted. We were prac tically forced into starting our investigation with Granby. If we could only see him once se cretly we might never ne§d to see him again until such time as he himself determined that the meeting was safe. Accordingly, when our cab stopped on the corner of Madi son Avenue and Thirty-fourth street, and Kennedy jumped out and paid the driver, I knew that he was doing everything in his power to cover our trail. We walked back into the Murry Hill district of old houses, turn ing corners and endeavoring to sec that we were not trailed. Finally we came out on the block on Park avenue on which I knew the Granby house to be, in that little basis of splendid dwellings between Thirty-fourth and Forty-second street. Js we walked up the street we could see that a closed ear was already standing before the door. Ken nedy passed, looking intently at the house and at others near it, then both up and down the street. Instead of going in he walked about the block. When Ave had nearly completed the cir cuit, he turned, and Ave doubled on our tracks. No one, apparent ly, was paying the slightest at tention to Avhat Ave were doing. Admitted at Once. The closed car, however, was still standing before the house when Kennedy turned into the English basement and rang the bell. It was just a moment that we waited. A Japanese butler op ened the door, and his beady eyes slanted at us subtly- Before he could even refuse to admit us, Kennedy had stepped inside fol lowed by me. “Give Mr. Granby my card,” said Kennedy briskly. “Tell him it is very important.” The Japanese took the paste board and fingered it, glancing nt it out of the corner of his eye and then at us hi perfect Eng lish he purred. hut, sir, Mr. Gpat» v can- . nvone just 1 now." “Cannot see anyone? “Why?" There was a noise of someone coming down stairs, and I saw a rather portly middle aged maa, with a Van Dyke beard. As he caught sight of us, half way down, he looked quickly over at the butler. “Who are these gentlemen, Kato?" he asked. “I)r. Gilbert, I believe," has tened Kennedy, before the Jap could reply, recognizing at once the well known society physi cian. “Yes," returned the doctor, slightly elevating his eyebrows. I don’t believe that we have ever met," introduced Kennedy, taking the card from the Jap and handing it to the 4octoi\ “but perhaps you have heard of me at the university?" Dr. Gilbert glanced at the card, then his manner changed as he looked up at Kennedy. “Oh, yes, yes. Professor Kennedy. You are here just a bit late. Mr. Granby is dead." Astounding News The abruptness of the an nouncement almost swept us off our feet, but Kennedy quickly recovered. “Dead?" he repeated, "It seems almost impossible. I know that he must have been alive at least two hours ago." The doctor shook his head sad ly- “Quite true," he replied, “but this thing has been so sud den that even I do not know as yet what happened." “But what was it?” persisted Kennedy. “There must be some thing that you know." The doctor waved his hand to ward the Jap. “It was Kato who called me, perhaps an hour ago. Mr. Granby, he says, went out very hurriedly early in the afternoon nad returned most agi tated. He shut himself up in the library, and not 10 minutes later, Kato says he heard him ringing the bell and calling frantically. “Tell them again, Kato, just What happened." Keiuctantly the Jap looked from us to the doctor, then con cluded that he had better take his orders from the physician. “I heard the bell, as as I came to the library door Mr. Granby was standing by the library table. He had his hands up before his I eyes. As I entered he said, “Kato, what color does this room seem to you?” I was greatly surprised, and I could think of nothing to say except ‘Many col ors, sir’. He stared around, and I thought his eyes would jump out of his head. ‘Kato it’s yel low! Everything in the room is yellow! Call Dr. Gilbert im mediately-’ “I did so, aud before the doc tor came we managed to get him up to his room. He was very weak and delirious. He seemed to be getting worse, and just be fore the doctor came we heard him groaning: ‘It’s turning green—everything is turning green! ’ Dr. Gilbert nodded as though to indicate that the butler had told his story substfkitially as he had already heard it. Too Late to Save Him. “Yes, Kennedy,” said Dr. Gil bert, “When I got here he was very far gone, almost in a state of coma. His vision seemed to be very strangely affected, and the muscles which controlled his throat were gradually becoming paralyzed. “I could make nothing out of what he mumbled except that it seemed to be that he feared someone or something. Once or twice He opened his eyes without rccognUng me, and I could just make out that, as his vision was fading, he was muttering, “I see everything green—green—green. I see, everything green.” In the face of two such wit nesses there could bo no doubt now of the tragedy into which we had run. jvxignt x see dibit asked Kennedy quickly. “You have no objection!” “The doctor considered & moment. ‘None,whatever. Per haps you can give via some clue to the mystery.” He turned and led the way up through the heavily carpeted hall, and we came at last to the huge front bedroam on the sec ond floor. Granby was a bachelor, al though he kept the big Granby house in the city open just as his father and grandfather had done before him. The big room was luxurously furnished in the style of a pftst generation. Just now it was in disorder. In the next room were a nurse and a maid, stunned by the suddenness of the death. v As we entered we could see Granby’s body stretched on the bed, covered by a sheet. Kennedy stepped over qiuwly to it and lifted a corner of the sheet, re garding the cold and distorted face which he disclosed. He seemed to be debating what to do first. Ile«quickly replaced the sheet and strode out into the hall again where I stood with Dr. Gil bert and Kato. “What was he doing last in the library?” demanded Ken nedy of Kato. “I don’t know, sir. I saw him as he came in. He seemed very nervous. When I saw him again in the library, on the table were a glass and a decamter. I should say, sir, that he had taken a drink.” Without waiting to hear more, Kennedy hurried down the hall to the first floor, over the Eng lish basement. A moment later, as we followed, he eptered the library. A Sudden Move. ‘ ‘ I took away the glass and pul the decanter back in the cel- j laret,” explained Kato. Kennedy turned toward a beautiful mahogany and glass i cellaret in an alcover of the den. “Which decanter?” he de manded. Kato pointed it out. As he did so, Kennedy bent forward and lifted it, but his eyes were not on the decanter. • With two sheets of paper, which he picked up from a writing desk, he scraped up the slight dust which had collected on the shelf. Then he folded up the paper into ; which he had scraped the dust and drew from his pocket a small 1 case in which he always carried some miniature test tubes. From ; the decanter, he poured a bit of the liquor and plugged the test tube, restoring it to his pocket. With scarcely a word of ex planation further, Kennedy ex cused himself to Dr. Gilbert, and we were on our way up to the laboratory. It was a quick ride and silent. Kennedy had but one idea, and that was first of all to discover the manner in' which Granby had met his sudden fate. In the laboratory he set to work at once, examining first under a microscope the few grains of dust in the* paper. I stood beside him, eagerly watch ing, as he finally he looked up from the eye-piece. “Some sort of powder,” he remarked, “colorless or Derhaps whitish, shining flat rAomblic prisms.*” “Held the dust and powder to his nose, but it evidently had no odor. Under a hand lens with a pair of tweezers he picked out what I assume to be some grains and placed them on his tongue. His face indicated that the taste was a bit acrid, but I could not tell whether it gave him a clue or not . He turned fr6m the micro scope, taking the test tube from the case in his pocket. Quickly he poured the contents into a large test tube, and I saw that he" was making a hasty qualitative analysis. To Tell Clare. I knew it would be some time before Kennedy discovered any thing. “I think, Craig, “I suggested, “Miss Claremont should know about this, and perhaps I had better tell her.” Craig nodded assent, and, de lighted by the mission, which at least served as an outlet for my own excitement, I hurried out. Clare Claremont, however, was not at home, nor could I find her. I called up the Star, but Steed was out on an assignment and could not be located Raven al, too, must have left his den di rectly after we did, for his ser vant could tell me nothing. Un able to carry out my mission, I was finally forced to go back to the laboratory, trusting that Kennedy had made some prog ress. As I entered, Kennedy *was ap farently finishing up his work. could see by his manner that he had discovered something. I told him hastily of my failure to find Miss Claremont, and, even before I had a chance to ask a question, he beckoned me over to < his table, where, before him in a rack, stood a test tube about j half full of some liquid. “I didn’t have very many j grains of the stuff,” he re marked, “but from even the few that I had I have discovered that it is not soluble in water, al though very soluble in alcohol. That’s as far as I went with the few grains, for I soon found that I must have a great deal of the stuff in the solution of the li quor.”* (To Be Continued Next Week.) Tamaki Mlurl, Japanese prima dona, who has Just completed tour of United States, sailed for Italy wliore she will sing "Madame Butterfly" In Milan and Home. She will later ALT Frivace, Spain and Germany. Los Angeles Woman Tells of Wonderful Experience. MRS. GUSSIE E. HANSEN. Mrs. Gussle E. Hansen, of 916 West 62nd Street, Is now numbered with the multitude of Los Angeles men and fromen who have realized the wonder ful merits of Tanlac. In relating her experiences, Mrs. Hansen said: “It Is wonderful what Tanlac will do for one suffering from stomach trou ble, nervousness and run-down con dition. I have tried It, “Before taking the treatment every thing I ate disagreed with me so that I actually dreaded to sit down to the table. 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