TY - JOUR T1 - Simultaneous Colour Contrast JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 84 IS - 575 SP - 546 EP - 554 PY - 1912/03/12/ UR - http://dx.doi.org/10.1098/rspb.1912.0013 M3 - doi:10.1098/rspb.1912.0013 AU - Edridge-Green, F. ER -