@book{bhlitem55825, title = {Illinois biological monographs }, volume = {v.7:no.4 (1922)}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/55825}, note = {https://www.biodiversitylibrary.org/bibliography/3937}, publisher = {Urbana, Univ. of Illinois Press, }, author = {University of Illinois (Urbana-Champaign campus) and University of Illinois at Urbana-Champaign.}, year = {1922}, pages = {208}, keywords = {Biologie|Biology|Periodical|Periodicals}, }