An ecological study of four darters of the genus Percina (Percidae) in the Kaskaskia River, Illinois
By: by David L. Thomas.
Contributors: Illinois. Natural History Survey Division
Series: Biological notes -- no. 70
Publisher: State of Illinois, Dept. of Registration and Education, Natural History Survey Division
Published: 1970
Place of publication: Urbana, Ill
Language: eng
Number of pages: 18
Subjects: Percina; Darters (Fishes) -- Illinois -- Kaskaskia River
Notes: Cover title.

"December 1970."

Bibliography: p. 17-18.