@book{bhlitem129691, title = {The American naturalist }, volume = {v.21:pt.2=[no.247-252] (1887)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/129691}, note = {https://www.biodiversitylibrary.org/bibliography/62169}, publisher = {Chicago, Ill. [etc.], Published for the American Society of Naturalists by the University of Chicago Press [etc.], }, author = {American Society of Naturalists.}, year = {1887}, pages = {572}, keywords = {Biology|Natural history|Periodicals|}, }