@book{bhlitem43614, title = {Observations on the genus Unio : together with descriptions of new species in the families Unionidae, Colimacea and Melanina }, volume = {v 15}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/43614}, note = {https://www.biodiversitylibrary.org/bibliography/11459}, publisher = {Philadelphia, I. Lea, [1840?]-}, author = {Lea, Isaac,}, year = {}, pages = {114}, keywords = {Bivalves|Unionidae|}, }