The heart Ultrastructure of lepidopleurus asellus (Spengler) and Tonicella marmorea (Fabricius) (Mollusca: Polyplacophora) Steinar Økland OriginalPaper Pages: 1 - 19
Ultrastructure and potential significance of cerebral light-refracting bodies of Stenostomum virginianum (Turbellaria, Catenulida) Edward E. RuppertStephen P. Schreiner OriginalPaper Pages: 21 - 31
Autotomy in a polychaete: Abscission zone at the base of the tentacular crown of Sabella penicillus Bill KennedyHarald Kryvi OriginalPaper Pages: 33 - 43
The sound-transmitting apparatus in primitive snakes and its phylogenetic significance Olivier Rieppel OriginalPaper Pages: 45 - 62
Structure of galeal sensory complex in adults of the red turnip beetle, Entomoscelis americana brown (Coleoptera, Chrysomelidae) J. F. SutcliffeB. K. Mitchell OriginalPaper Pages: 63 - 76
The anatomy and ultrastructure of the antennal circulatory organs in the cockchafer beetle Melolontha melolontha L. (Coleoptera, Scarabaeidae) Günther Pass OriginalPaper Pages: 77 - 89
Un complément à l'appareil séricigène des Uloboridae (Araneae): Le paracribellum et ses glandes Hans M. PetersJacqueline Kovoor OriginalPaper Pages: 91 - 102
Specialization of the hindgut wall for the attachment of symbiotic micro-organisms in a termite Procubitermes aburiensis (Isoptera, Termitidae, Termitinae) D. E. BignellH. OskarssonJ. M. Anderson OriginalPaper Pages: 103 - 112
On the structure and homologues of the anterior end of the polychaete families sabellidae and serpulidae Lars Orrhage OriginalPaper Pages: 113 - 167