@article{NARMS:SourceID:166470, author = {Jeffreys, J. G.}, journal = {Proceedings of the Zoological Society of London}, title = {On the Mollusca procured during the 'Lightning' and 'Porcupine' expeditions 1868-1870. (Part II)}, url = {http://www.biodiversitylibrary.org/page/28521697}, year = {1879} }