TY - JOUR T1 - The Origin of Osmotic Effects. II.-Differential Septa JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 81 IS - 546 SP - 94 EP - 96 PY - 1909/04/05/ UR - http://dx.doi.org/10.1098/rspb.1909.0010 M3 - doi:10.1098/rspb.1909.0010 AU - Armstrong, H. ER -