TY - JOUR T1 - On the Structure of the Electric Organ of Raia circularis. JF - Proceedings of the Royal Society of London (1854-1905) VL - 44 SP - 213 EP - 214 PY - 1888/01/01/ UR - http://dx.doi.org/10.1098/rspl.1888.0025 M3 - doi:10.1098/rspl.1888.0025 AU - Ewart, J. ER -