@book{bhlitem29653, title = {Field Museum of Natural History bulletin }, volume = {v. 48 (1977)}, copyright = {In copyright. Digitized with permission of the Field Museum of Chicago. Contact dcc@library.uiuc.edu for information.Contact dcc@library.uiuc.edu for information.}, url = {https://www.biodiversitylibrary.org/item/29653}, note = {https://www.biodiversitylibrary.org/bibliography/169367}, publisher = {[Chicago, Ill.], The Museum, [1972]-©1990}, author = {Field Museum of Natural History.}, year = {1977}, pages = {256}, keywords = {Natural history|Periodical|Periodicals|Science}, }