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 of riddles or problems for some future examiner in English literature. Why is controversy like the Hydrostatic Paradox? Why is a poem like a meerschaum? What is the very obvious resemblance between the pupil of the eye and the mind of the bigot? In what respects may truths be properly compared to dice and lies to marbles? Why should a trustworthy friend be like a cheap watch? How does the proper treatment for Guinea-worm illustrate the best mode of treating habitual drunkards? The answers to these and many equally ingenious parallels illustrate Holmes's power of procuring analogies; and show, too, how his talent had been polished in the conversational arena. The commonest weakness of popular writers in the eyes of severe critics is that they resemble barristers addressing dull juries. Such an one feels that he must not simply state a reason, but pound it into a thick head by repetition. When a joke seems to answer, he makes it again and again till the stare of puzzled suspicion that the man may be not quite serious passes into the broad grin of steady conviction that he is actually making a joke. The instrument upon which Holmes had performed, the circle of congenial friends, was, of course, far more responsive.