TY - JOUR T1 - On a New Species of Cephalodiscus (C. Nigrescens) from the Antarctic Ocean JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 76 IS - 511 SP - 400 EP - 402 PY - 1905/09/02/ UR - http://dx.doi.org/10.1098/rspb.1905.0036 M3 - doi:10.1098/rspb.1905.0036 AU - Lankester, E. ER -