TY - JOUR T1 - Preliminary Observations on the Locomotor System of Medusae. JF - Proceedings of the Royal Society of London (1854-1905) VL - 24 SP - 143 EP - 151 PY - 1875/01/01/ UR - http://dx.doi.org/10.1098/rspl.1875.0016 M3 - doi:10.1098/rspl.1875.0016 AU - Romanes, G. ER -