There are also comic obsessions that seem to bear a great resemblance to dream obsessions. Who has not had the experience of seeing the same image appear in several successive dreams, assuming a plausible meaning in each of them, whereas these dreams had no other point in common. Effects of repetition sometimes present this special form on the stage or in fiction: some of them, in fact, sound as though they belonged to a dream. It may be the same with the burden of many a song: it persistently recurs, always unchanged, at the end of every verse, each time with a different meaning.
Not infrequently do we notice in dreams a particular crescendo, a weird effect that grows more pronounced as we proceed. The first concession extorted from reason introduces a second; and this one, another of a more serious nature; and so on till the crowning absurdity is reached. Now, this progress towards the absurd produces on the dreamer a very peculiar sensation. Such is probably the experience of the tippler when he feels himself pleasantly drifting into a state of blankness in which neither reason nor pro-
