On an American earthworm of the family Phreoryctidae
By: by S.A. Forbes.
Contributors: Illinois State Laboratory of Natural History.
Series: Bulletin of the Illinois State Laboratory of Natural History -- v. 3, art. 7
Publisher: J.W. Franks & sons
Published: 1890
Place of publication: [Peoria, Ill
Language: eng
Number of pages: 116
Subjects: Earthworms.
Other titles: American earthworm of the family Phreoryctidae
Notes: Includes bibliographical references.