TY - JOUR T1 - On the Double Organs of Generation of the Lamprey, the Conger Eel, the Common Eel, the Barnacle, and Earth Worm, Which Impregnate Themselves; Though the Last from Copulating, Appear Mutually to Impregnate One Another JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 113 SP - 140 EP - 151 PY - 1823/01/01/ UR - http://dx.doi.org/10.1098/rstl.1823.0014 M3 - doi:10.1098/rstl.1823.0014 AU - Home, E. ER -