@inbook{NARMS:SourceID:230994, author = {Sowerby, G. B. I}, title = {Monograph of the genus Columbella. In G. B. Sowerby II (ed.), Thesaurus conchyliorum, or monographs of genera of shells.}, url = {http://biodiversitylibrary.org/page/11076453}, year = {1844} }