Light and electron microscopic studies of the skin of the Palembang puffer,Tetraodon steindachneri (Teleostei, Tetraodontidae) Iris HertwigHelga EichelbergJoachim Hentschel OriginalPaper Pages: 193 - 205
The influence of an eucaryotic intranuclear cell parasite on the production of gemmules inEphydatia fluviatilis (Porifera, Spongillidae) Norbert Weissenfels OriginalPaper Pages: 207 - 216
Development of drinking mechanisms in the chicken (Gallus gallus) (Aves) J. HeidweillerG. A. Zweers OriginalPaper Pages: 217 - 228
Adhesive glands in the Pterastericolidae (Plathelminthes, Rhabdocoela) Ulf Jondelius OriginalPaper Pages: 229 - 238
The seminal vesicles of the male grass goby,Zosterisessor ophiocephalus (Teleostei, Gobiidae) F. LahnsteinerM. SeiwaldE. A. Ferrero OriginalPaper Pages: 239 - 248