@book{bhlitem108179, title = {Butlletí de la Institució Catalana d'Història Natural }, volume = {ser.2:v.1:no.2 (Feb. 1921)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/108179}, note = {https://www.biodiversitylibrary.org/bibliography/43781}, publisher = {Barcelona, }, author = {Institució Catalana d'Història Natural (Barcelona, Spain)}, year = {1921}, pages = {44}, keywords = {Catalonia|Natural history|Periodicals|Spain|}, }