TY - JOUR T1 - On the Homology between Genital Ducts and Nephridia in the Oligochaeta JF - Proceedings of the Royal Society of London (1854-1905) VL - 48 SP - 452 EP - 455 PY - 1890/01/01/ UR - http://dx.doi.org/10.1098/rspl.1890.0051 M3 - doi:10.1098/rspl.1890.0051 AU - Beddard, F. ER -