Now he chose to notice the knife on the ebony table as if he had not seen it before. He got up and reached for it and brought it back, turning it over and over in his hand. “A strange knife,” he said. “Yes,--from Khinjan,” said Rewa Gunga, and King eyed him as one wolf eyes another. “What makes you say it is from Khinjan?” “She brought it from Khinjan Caves herself! There is another knife that matches it, but that is not here. That bracelet you now wear, sahib, is from Khinjan Caves too! She has the secret of the Caves!” “I have heard that the 'Heart of the Hills' is there,” King answered. “Is the 'Heart of the Hills' a treasure house?” Rewa Gunga laughed. “Ask her, sahib! Perhaps she will tell you! Perhaps she will let you see! Who knows? She is a woman of resource and unexpectedness--Let her women dance for you a while.” King nodded. Then he got up and laid the knife back on the little table. A minute or so later he noticed that at a sign from Rewa Gunga a woman left the great window place and spirited the knife away. “May I have a sheet of paper?” he asked, for he knew that another fight for his self-command was due. Rewa Gunga gave an order, and a maid brought him scented paper on a silver tray. He drew out his own fountain pen then and made ready. In spite of the great silken punkah that swung rhythmically across the full breadth of the room the beat was so great that the pen slipped round and round between his fingers. Yet he contrived to write, and since his one object was to give his brain employment, he wrote down a list of the names he had memorized in the train on the journey from Peshawur, not thinking of a use for the list until he had finished. Then, though, a real use occurred to him. While he began to write more than a dozen dancing women swept into the room from behind the silk hangings in a concerted movement that was all lithe slumberous grace. Wood-wind music called to them from the great deep