@book{bhlitem100991, title = {Smithsonian contributions to knowledge }, volume = {v.3 (1852)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/100991}, note = {https://www.biodiversitylibrary.org/bibliography/7997}, publisher = {Washington, Smithsonian Institution, 1848-1916}, author = {Smithsonian Institution}, year = {1852}, pages = {660}, keywords = {Periodicals|Science}, }