III
The Case of the "Mirror of Portugal"
I
Whether or not this case has an historical interest is a matter of conjecture. If it has none, then the title I have given it is a misnomer. But I think the conjecture that some historical interest attaches to it is by no means an empty one, and all that can be urged against it is the common though not always declared error that romance expired fifty years at least ago, and history with it. This makes it seem improbable that the answer to an unsolved riddle of a century since should be found to-day in an inquiry agent's dingy office in Bedford Street, Covent Garden. Whether or not it has so been found the reader may judge for himself, though the evidence stops far short of actual proof of the identity of the "Mirror of
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