TY - JOUR T1 - An Account of the Two Methods of Reproduction in Daphnia, and of the Structure of the Ephippium JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 147 SP - 79 EP - 100 PY - 1857/01/01/ UR - http://dx.doi.org/10.1098/rstl.1857.0007 M3 - doi:10.1098/rstl.1857.0007 AU - Lubbock, J. ER -