unconnected and without meaning. His powers of observation and rapid inference were almost incredible, as I had noticed again and again, and always with undiminished wonder. He seemed to take in everything at a single glance and in an instant to appreciate the meaning of everything that he had seen.
Here was a case in point. I had myself seen all that he had seen, and, indeed, much more; for I had looked on the very people and witnessed their actions, whereas he had never set eyes on any of them. I had examined the little handful of rubbish that he had gathered up so carefully, and would have flung it back under the grate without a qualm. Not a glimmer of light had I perceived in the cloud of mystery, nor even a hint of the direction in which to seek enlightenment. And yet Thorndyke had, in some incomprehensible manner, contrived to piece together facts that I had probably not even observed, and that so completely that he had already, in these few days, narrowed down the field of inquiry to quite a small area.
From these reflections I returned to the objects on the table. The spectacles, as things of which I had some expert knowledge, were not so profound a mystery to me. A pair of spectacles might easily afford good evidence for identification; that I perceived clearly enough. Not a ready-made pair, picked up casually at a shop, but a pair constructed by a skilled optician to remedy a particular defect of vision and to fit a particular
