The Diel Activity Pattern, Drifting and Food of the Leech Erpobdella octoculata (L.) (Hirudinea: Erpobdellidae) in a Lake District Stream
- 1 June 1973
- journal article
- Published by JSTOR in Journal of Animal Ecology
- Vol. 42 (2), 449
- https://doi.org/10.2307/3297