TY - JOUR T1 - Observations on the Changes the Ovum of the Frog Undergoes during the Formation of the Tadpole JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 115 SP - 81 EP - 86 PY - 1825/01/01/ UR - http://dx.doi.org/10.1098/rstl.1825.0005 M3 - doi:10.1098/rstl.1825.0005 AU - Home, E. ER -