... A collecting trip to Colombia, South America
By: by E. B. Williamson
Series: University of Michigan. Museum of zoology. Miscellaneous publications, no. 3; Miscellaneous publications (University of Michigan. Museum of Zoology) -- no. 3
Publisher: The University
Published: 1918
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 24
Subjects: Natural history -- Colombia; Dragonflies
Notes: "This trip to Colombia was made in the winter of 1916-1917 for the purpose of collecting dragonflies."