There has been no lack of awareness in modern criticism of the complexities and surprises of George Eliot\u27s careful structuring of Middlemarch, particularly when it is presented in terms of duality. I will quote here only one very representative example, from W.}. Harvey\u27s introduction to the Penguin edition of the novel: It is not difficult to discern the pattern of this network (of parallels and contrasts). The contrast between Rosamond and Mary Garth, or between Rosamond and Dorothea; the combined parallel and contrast between the researches of Casaubon and Lydgate (both of them searching for a key ); the way in which Brooke\u27s butterfly mind and cluttered pigeon-holes become a comic analogue to their scholarly endeavours; the v...