of it, according as it refers to the physical dimensions of an object or to its moral value.
To speak of small things as though they were large is, in a general way, to exaggerate. Exaggeration is always comic when prolonged, and especially when systematic; then, indeed, it appears as one method of transposition. It excites so much laughter that some writers have been led to define the comic as exaggeration, just as others have defined it as degradation. As a matter of fact, exaggeration, like degradation, is only one form of one kind of the comic. Still, it is a very striking form. It has given birth to the mock-heroic poem, a rather old-fashioned device, I admit, though traces of it are still to be found in persons inclined to exaggerate methodically. It might often be said of braggadocio that it is its mock-heroic aspect which makes us laugh.
Far more artificial, but also far more refined, is the transposition upwards from below when applied to the moral value of things, not to their physical dimensions. To express in reputable language some disreputable idea, to
