them, have noticed that humour delights in concrete terms, technical details, definite facts. If our analysis is correct, this is not an accidental trait of humour, it is its very essence. A humorist is a moralist disguised as a scientist, something like an anatomist who practises dissection with the sole object of filling us with disgust; so that humour, in the restricted sense in which we are here regarding the word, is really a transposition, from the moral to the scientific.
By still further curtailing the interval between the terms transposed, we may now obtain more and more specialised types of comic transpositions. Thus, certain professions have a technical vocabulary: what a wealth of laughable results have been obtained by transposing the ideas of everyday life into this professional jargon! Equally comic is the extension of business phraseology to the social relations of life,—for instance, the phrase of one of Labiche's characters in allusion to an invitation he has received, "Your kindness of the third ult.," thus transposing the commercial formula, "Your favour of the third instant." This class of the comic,
