@book{bhlitem84886, title = {Proceedings of the Academy of Natural Sciences of Philadelphia }, volume = {v.34 (1882)}, copyright = {Not provided. Contact Holding Institution to verify copyright status.}, url = {https://www.biodiversitylibrary.org/item/84886}, note = {https://www.biodiversitylibrary.org/bibliography/6885}, publisher = {Philadelphia, Academy of Natural Sciences of Philadelphia, }, author = {Academy of Natural Sciences of Philadelphia.}, year = {1882}, pages = {424}, keywords = {Natural history|Natuurwetenschappen|Periodicals|Science}, }