@book{bhlitem17664, title = {Proceedings of the Academy of Natural Sciences of Philadelphia }, volume = {v.44 (1892)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/17664}, note = {https://www.biodiversitylibrary.org/bibliography/6885}, publisher = {Philadelphia, Academy of Natural Sciences of Philadelphia, }, author = {Academy of Natural Sciences of Philadelphia.}, year = {1892}, pages = {576}, keywords = {Natural history|Natuurwetenschappen|Periodicals|Science}, }