Author: Bennike, S.A. Boisen
Title: Contributions to the Ecology & Biology of Danish Fresh-Water Leeches (Hirudinea)
Description: Kobenhavn / Oslo, Munksgaard / Dybwad, 1943. orig.wrappers. 25x19cm, 109 pp, Series: Folia Limnologica Scandinavica, No. 2.. Textual maps,photos,drawings. Rubberstamp to cover & title, some wrapper rubbing & soil, VG.

Keywords: Fresh-Water Ecology, Leeches, Limnology, Leech, Hirudinea, Annelids, Denmark, ,