An annotated check list of the parasites of animals in Puerto Rico
By: by H.L. Van Volkenberg
Series: Circular -- no. 22; Circular (Puerto Rico Experiment Station) -- no. 22.
Publisher: U.S. Dept. of Agriculture, Office of Experiment Stations; For sale by the Supt. of Docs.
Published: 1939
Place of publication: Washington, D.C
Language: eng
Number of pages: 12
Subjects: Parasites
Notes: "Issued January 1939."

Includes bibliographical references (p. 10-12).