@book{bhlitem21241, title = {Two new rodents from Costa Rica }, volume = {v.18:no.5 (1931)}, copyright = {In copyright. Digitized with the permission of the rights holder.}, url = {https://www.biodiversitylibrary.org/item/21241}, note = {https://www.biodiversitylibrary.org/bibliography/3197}, publisher = {Chicago, 1931}, author = {Osgood, Wilfred Hudson,}, year = {1931}, pages = {20}, keywords = {Costa Rica|Mammals|Rodents}, }