Spermatogenesis and sperm ultrastructure in three species of polydora and in streblospio benedicti (Polychaeta: Spionidae) Stanley A. Rice OriginalPaper Pages: 1 - 16
Adaptive Mechanisms in the compound eye of Squilla mantis (Crustacea, Stomatopoda) Michel VivrouxNorbert Schönenberger OriginalPaper Pages: 17 - 30
Experimental morphology of coronar growth in regular echinoids Konrad Märkel OriginalPaper Pages: 31 - 52
The ultrastructure of the blood vessels of Branchiostoma lanceolatum (Pallas) (Cephalochordata) Hans Rähr OriginalPaper Pages: 53 - 74
Ultrastruktur der Statocyste von Ototyphlonemertes pallida (Keferstein, 1862) (Nemertini) Jochen BrüggemannUlrich Ehlers OriginalPaper Pages: 75 - 87
Zur Feinstruktur ophiocephaler Pedizellarien von Arbacia lixula (Linné) (Echinodermata, Echinoidea) Helge HilgersHeinz Splechtna OriginalPaper Pages: 89 - 100
Ultrastruktur der Schalendrüsen von Microdalyellia fairchildi (Turbellaria, Neorhabdocoela) Dieter Bunke OriginalPaper Pages: 101 - 119
Funktionsmorphologische Untersuchungen am männlichen Kopulationsapparat von Pelodera strongyloides (Schneider, 1866) (Nematoda, Rhabditidae) Gerhard WagnerK.-A. Seitz OriginalPaper Pages: 121 - 132
Comparative ultrastructure of the pharynx simplex in turbellaria David A. Doe OriginalPaper Pages: 133 - 193
