Ernährungsbiologie einer rhipidoglossen Kiemenschnecke Dietrich Neumann OriginalPaper Pages: 133 - 151
Distribution of riffle insects of the Firehole River, Wyoming Kenneth B. Armitage OriginalPaper Pages: 152 - 174
Fish vertebrae and scales in a sediment core from esthwaite water (English Lake district) Winifred PenningtonT. G. TutinWinifred E. Frost OriginalPaper Pages: 183 - 190