Electron microscope studies of the digestive tract ofBrachionus plicatilis (Rotifera) W. KleinowH. WratilB. Esch OriginalPaper Pages: 67 - 80
Ultrastructure and functional morphology of male genital organs and spermatophore formation inProtodrilus (Polychaeta, Annelida) Henning von Nordheim OriginalPaper Pages: 81 - 94
Morphological and histological study of the genital ducts ofCryptazeca monodonta (Pulmonata, Orthurethra), with special emphasis on the auxiliary copulatory organ Benjamín J. Gómez OriginalPaper Pages: 95 - 102
Formation, properties and degradation of the peritrophic membranes of larval and adult fleshflies,Parasarcophaga argyrostoma (Insecta, Diptera) Gunhild NagelW. Peters OriginalPaper Pages: 103 - 111
Cytoskeletal modifications of the sensorimotor interneurons ofHydra vulgaris (Cnidaria, Hydrozoa), indicating a sensory function similar to chordotonal receptors of insects Rainer GolzUlrich Thurm OriginalPaper Pages: 113 - 118
Construction of the avian skull, as demonstrated by direct magnifying microfocal radiography (Aves) Wilfried MeyerThomas BartelsNorbert Lange OriginalPaper Pages: 119 - 124