TY - JOUR T1 - The Effect of Red Fatigue on the White Equation JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 92 IS - 646 SP - 232 EP - 234 PY - 1921/07/01/ UR - http://dx.doi.org/10.1098/rspb.1921.0021 M3 - doi:10.1098/rspb.1921.0021 AU - Edridge-Green, F. ER -