@book{bhlitem17606, title = {Proceedings of the Academy of Natural Sciences of Philadelphia }, volume = {v.45 (1893)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/17606}, note = {https://www.biodiversitylibrary.org/bibliography/6885}, publisher = {Philadelphia, Academy of Natural Sciences of Philadelphia, }, author = {Academy of Natural Sciences of Philadelphia.}, year = {1893}, pages = {632}, keywords = {Natural history|Natuurwetenschappen|Periodicals|Science}, }