CHAPTER XX

CONVERGING TRACKS It was an hour later when they pulled up at Matherfield's head-quarters and went in to find him. Matherfield, brought to them after some search, rubbed his hands at sight of them. "Come at the right moment!" he exclaimed, "I've got news--of Ambrose!" Matherfield evidently expected his visitors to show deep interest, if not passive enthusiasm, in respect of this announcement, and he stared wonderingly on seeing that their faces showed nothing but gloom and concern. "But you--you look as if you'd h…