TY - JOUR T1 - On the Impregnation of the Ovum in the Stickleback JF - Proceedings of the Royal Society of London (1854-1905) VL - 7 SP - 168 EP - 172 PY - 1854/01/01/ UR - http://dx.doi.org/10.1098/rspl.1854.0043 M3 - doi:10.1098/rspl.1854.0043 AU - Ransom, W. ER -