On the Origin of Species · ¶825
Characters: divergence of, 111. sexual, variable, 156. adaptive or analogical, 427.Read in context ›
Charles Darwin · John Murray, London, 1859, first edition · Gutenberg #1228; original diagram from Darwin Online F373
Charles Darwin · John Murray, London, 1859, first edition · Gutenberg #1228; original diagram from Darwin Online F373
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