Anatomy of the cecum of the West Indian manatee, Trichechus manatus (Mammalia, Sirenia) R. L. Snipes OriginalPaper Pages: 67 - 78
Vergleichende rasterelektronenmikroskopische Darstellung der Gemmulaschalen von Ephydatia fluviatilis, E. muelleri und Spongilla fragilis (Porifera) P. F. Langenbruch OriginalPaper Pages: 79 - 85
Ultrastruktur und Differenzierung der prostatoiden Organe von Polystyliphora filum (Plathelminthes, Proseriata) J. Brüggemann OriginalPaper Pages: 86 - 95
The spinning apparatus of Uloboridae in relation to the structure and construction of capture threads (Arachnida, Araneida) H. M. Peters OriginalPaper Pages: 96 - 104
Fine structure of the cuticle and structural changes occuring during moulting in the mite Tetranychus urticae. II. Moulting process (Chelicerata, Acarina) Ursula Mothes-Wagner OriginalPaper Pages: 105 - 110
Sperm morphology, spermatogenesis and spermiogenesis of three species of chitons (Mollusca, Polyplacophora) E. R. Sakker OriginalPaper Pages: 111 - 121
Functional morphology of the pedicellariae of the asteroid Marthasterias glacialis (Echinodermata) Anne LambertLouis De VosMichel Jangoux OriginalPaper Pages: 122 - 130
