Early in June of 1867, Charles Darwin turned back the cover of his copy of the respected quarterlyNorth British Review, to find on its opening pages a lengthy essay attacking his theory of natural selection. As with the vast majority of articles in the Victorian periodicals, the review was anonymous, prompting immediate speculation in Darwin's circle as to the author's identity. It was to be about a year-and-a-half before Darwin would learn that the engineer Fleeming Jenkin had written the essay. (...) By then, Darwin had concluded that the critique was the most valuable he had ever read onThe Origin of Species. (shrink)