A new heron and a new owl from Venezuela.
Series: Smithsonian miscellaneous collections,; v. 111, no. 9; Smithsonian miscellaneous collections ;; v. 111, no. 9.
Publisher: Smithsonian Institution
Published: 1949
Place of publication: Washington
Language: eng
Subjects: Herons.; Owls.; Birds -- Venezuela.
Notes: "Publication 3985."