Fisher, Ronald Aylmer, Sir, 1890-19622006-11-172006-11-171933Proceedings of the Royal Society, B, 112: 407-416 (1933).http://hdl.handle.net/2440/15114Reproduced with permission of the Royal Society.816015 bytesapplication/pdfen104: On the Evidence Against the Chemical Induction of Melanism in Lepidoptera.Journal article