Two new rodents from Costa Rica
By: by Wilfred H. Osgood.
Series: Field Museum of Natural History.  Publication 295; Zoological series, v. 18, no. 5; Fieldiana -- v. 18, no. 5; Publication (Field Museum of Natural History : 1909) -- 295
Published: 1931
Place of publication: Chicago
Subjects: Rodents.; Mammals -- Costa Rica.