TY - JOUR T1 - The Effect of Staleness of the Sexual Cells on the Development of Echinoids JF - Proceedings of the Royal Society of London (1854-1905) VL - 65 SP - 350 EP - 360 PY - 1899/01/01/ UR - http://dx.doi.org/10.1098/rspl.1899.0047 M3 - doi:10.1098/rspl.1899.0047 AU - Vernon, H. ER -