Phalloidin-rhodamine preparations of Macrostomum hystricinum marinum (Plathelminthes): morphology and postembryonic development of the musculature R. M. RiegerW. SalvenmoserS. Tyler Original Article Pages: 133 - 147
The ultrastructure of the eyes in the veliger-larvae of Aporrhais sp. and Bittium reticulatum (Mollusca, Caenogastropoda) Michael Blumer Original Article Pages: 149 - 159
Spermatozoal ultrastructure of Penaeus kerathurus and Penaeus japonicus (Crustacea, Dendrobranchiata) A. MedinaG. MourenteA. Rodríguez Original Article Pages: 161 - 167
Anatomical and gravitational influences on cardiac displacement in snakes (Lepidosauria, Serpentes) Bruce A. YoungSusan L. StreetRichard J. Wassersug Original Article Pages: 169 - 175
Actin-related intercellular junctions in the germinal compartment of the testis in Poecilia reticulata (Teleostei, Poeciliidae) D. C. PfeifferA. W. Vogl Original Article Pages: 177 - 184
The ciliated sensory cell of Stauridiosarsia producta (Cnidaria, Hydrozoa) — a nematocyst-free nematocyte? Rainer GolzUlrich Thurm Original Article Pages: 185 - 194