Cytomorphology and copper content of the basal cells in the midgut gland of Nautilus (Cephalopoda, Tetrabranchiata) P. RuthR. SchippB. Klüssendorf OriginalPaper Pages: 1 - 11
Oogenesis and larval development of Ephydatia fluviatilis (Porifera, Spongillidae) Uwe Saller OriginalPaper Pages: 23 - 28
Structural peculiarities of the body wall of Tubificoides benedii (Oligochaeta) and possible relations to its life in sulphidic sediments Olav GiereBirgit RhodeNicole Dubilier OriginalPaper Pages: 29 - 39
Freeze-fracture study of the receptor membranes in the olfactory organ of Alburnus alburnus (Teleostei) L. HernádiP. Röhlich OriginalPaper Pages: 41 - 46
The spinning apparatus of Polenecia producta (Araneae, Uloboridae): Structure and histochemistry Jacqueline KovoorHans M. Peters OriginalPaper Pages: 47 - 59
The larval reticulum in Phyllodoce (Polychaeta, Phyllodocida) Thurston C. Lacalli OriginalPaper Pages: 61 - 68