TY - JOUR T1 - Further Observations on Planariae. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 2 SP - 238 EP - 238 PY - 1815/01/01/ UR - http://dx.doi.org/10.1098/rspl.1815.0258 M3 - doi:10.1098/rspl.1815.0258 AU - Johnson, J. ER -