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336 pages, Paperback
First published January 1, 2003
Eight years winning a reputation as a brilliant and dogged systematist had brought Darwin other advantages. It had bought him time. In the barnacle years, the weight of systematic work undertaken in botany, zoology and comparative anatomy had brought the question of the permanence of species to centre stage. For, during these years...naturalists trying to systematise nature had been confounded by decisions about where variations within a species or subspecies ended and new species or subspecies began….Darwin’s species theory would be read differently as a consequence of such increasing pressure. (p. 243)