last few examples are illustrations of a great cause resulting in a small effect, we quoted others, immediately before, which might be defined inversely as a great effect springing from a small cause. The truth is, this second definition has scarcely more validity than the first. Lack of proportion between cause and effect, whether appearing in one or in the other, is never the direct source of laughter. What we do laugh at is something that this lack of proportion may in certain cases disclose, namely, a particular mechanical arrangement which it reveals to us, as "through a glass, at the back of the series of effects and causes. Disregard this arrangement, and you let go the only clue capable of guiding you through the labyrinth of the comic. Any hypothesis you otherwise would select, while possibly applicable to a few carefully chosen cases, is liable at any moment to be met and overthrown by the first unsuitable instance that comes along.
But why is it we laugh at this mechanical arrangement? It is doubtless strange that the history of a person or of a group should sometimes appear like a game worked by strings, or gearings, or springs; but from what source does
