Freshwater molluscs of Elgin County, Ontario
By: by William G. Stewart.
Publisher: W.G. Stewart
Published: 1992
Place of publication: St. Thomas, Ont
Language: eng
Subjects: Mollusks -- Ontario -- Elgin (County).; Freshwater invertebrates -- Ontario -- Elgin (County).
Notes: Cover title.

Includes bibliographical references (p. 7-8).