Description
Item Description:"Article 6.--Extracted from the Bulletin of the U.S. Fish Commission for 1891. Pages 207-258, Plates XXXVII to XLII."
"Date of publication, April 29, 1893."
Running title: Bulletin of the United States Fish Commission, aquatic invertebrate fauna of Wyoming and Montana.
Physical Description:pages 207-258, 6 leaves of plates : illustrations ; 29 cm
Bibliography:Includes bibliographical references and index.