@article{NARMS:SourceID:40497, author = {Sykes, E. R.}, journal = {Proceedings of the Malacological Society of London}, pages = {331-348}, title = {On the Mollusca procured during the Porcupine expeditions. Supplementary notes, part IV}, url = {http://biodiversitylibrary.org/page/30825181}, volume = {9}, year = {1911} }