@book{bhlitem188071, title = {Journal of the Washington Academy of Sciences }, volume = {v.50 (1960)}, copyright = {In copyright. Digitized with the permission of the rights holder.}, url = {https://www.biodiversitylibrary.org/item/188071}, note = {https://www.biodiversitylibrary.org/bibliography/2087}, publisher = {Washington [etc Washington Academy of Sciences]}, author = {Washington Academy of Sciences (Washington, D.C.) and Washington Academy of Sciences (Washington, D.C.) and Washington Academy of Sciences (Washington, D.C.)}, year = {1960}, pages = {212}, keywords = {Periodical|Periodicals|Science}, }