TY - JOUR T1 - Observations on the Changes the Ovum of the Frog Undergoes during the Formation of the Tadpole. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 2 SP - 227 EP - 227 PY - 1815/01/01/ UR - http://dx.doi.org/10.1098/rspl.1815.0250 M3 - doi:10.1098/rspl.1815.0250 AU - Home, E. ER -