TY - JOUR T1 - The Pigmentary Effector System.--II JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 94 IS - 658 SP - 151 EP - 162 PY - 1922/11/01/ UR - http://dx.doi.org/10.1098/rspb.1922.0052 M3 - doi:10.1098/rspb.1922.0052 AU - Hogben, L. AU - Winton, F. ER -