TY - JOUR T1 - Certain Correlated Variations in Crangon vulgaris JF - Proceedings of the Royal Society of London (1854-1905) VL - 51 SP - 1 EP - 21 PY - 1892/01/01/ UR - http://dx.doi.org/10.1098/rspl.1892.0001 M3 - doi:10.1098/rspl.1892.0001 AU - Weldon, W. ER -