@book{bhlitem25707, title = {Bulletin }, volume = {v. 40 (1969)}, copyright = {In copyright. Digitized with the permission of the Chicago Field Museum. For information contact dcc@library.uiuc.edu.}, url = {https://www.biodiversitylibrary.org/item/25707}, note = {https://www.biodiversitylibrary.org/bibliography/3599}, publisher = {[Chicago], The Museum, 1966-1972}, author = {Field Museum of Natural History.}, year = {1969}, pages = {160}, keywords = {Natural history|Periodicals|Science}, }