Arrangements of connective tissue fibres and muscle fibres in the tail Musculature of adult newts (Triturus cristatus, T. alpestris and T. vulgaris) (amphibia, urodela) J. J. Willemse OriginalPaper Pages: 255 - 269
Über die Spermatophore von Boreus westwoodi Hagen (insecta, mecoptera) Gerhard Mickoleit OriginalPaper Pages: 271 - 284
Das tympanalorgan von Gryllus bimaculatus Degeer (saltatoria, gryllidae) Karin Michel OriginalPaper Pages: 285 - 315
Observations et discussions sur le développement embryonnaire des Phoronida Christian Charles Emig OriginalPaper Pages: 317 - 335
Centriolen in der entwicklung der retinulazellen von Megachile rotundata (F.) (hymenoptera, apidae) Ekkehard WachmannAnnedore Hennig OriginalPaper Pages: 337 - 344