TY - JOUR T1 - On Certain Points in the Anatomy of Chiton JF - Proceedings of the Royal Society of London (1854-1905) VL - 33 SP - 121 EP - 127 PY - 1881/01/01/ UR - http://dx.doi.org/10.1098/rspl.1881.0078 M3 - doi:10.1098/rspl.1881.0078 AU - Sedgwick, A. ER -