The comparative morphology and evolution of the eyes of caecilians (Amphibia, Gymnophiona) Marvalee H. Wake OriginalPaper Pages: 277 - 295
Structure and position of bacterial endosymbionts in the gill filaments of lucinidae from bermuda (Mollusca, Bivalvia) Olav Giere OriginalPaper Pages: 296 - 301
Spermiogenesis and ultrastructure of spermatozoa in Saxipendium coronatum (Hemichordata, Enteropneusta), with consideration of their relation to reproduction and dispersal Åke FranzénKeith H. WoodwickTerry Sensenbaugh OriginalPaper Pages: 302 - 307
The fine structure of protonephridia in Gnathostomulida and their comparison within Bilateria Volker Lammert OriginalPaper Pages: 308 - 316
Fine structure of the midgut gland of Phalangium opilio (Chelicerata, Phalangida) Annette BeckerWerner Peters OriginalPaper Pages: 317 - 325
The ultrastructure of the midgut and the formation of peritrophic membranes in a harvestman, Phalangium opilio (Chelicerata Phalangida) A. BeckerW. Peters OriginalPaper Pages: 326 - 332
Litonotus — Euplotes (predator — prey) interaction: ciliary structure modifications of the prey caused by toxicysts of the predator (Protozoa, Ciliata) Franco Verni OriginalPaper Pages: 333 - 335
Ontogenetic development of skeletal weight in a small delphinid, Delphinus delphis (Cetacea, Odontoceti) V. de BuffrénilA. ColletM. Pascal OriginalPaper Pages: 336 - 344