A Comparison of the Life-Cycle of Helobdella stagnalis (Linn. 1758) (Hirudinoidea) in Two Different Geographical Areas in Canada
- 1 June 1976
- journal article
- research article
- Published by JSTOR in Journal of Animal Ecology
- Vol. 45 (2), 457-470
- https://doi.org/10.2307/3885