1871-1882 Five volumes in nine. Paperbound (original printed covers). Uncut, partly unopened. One rear cover missing, cover for the whole volume I loosely inserted. Volume I part II in later blind covers.The complete start of this rare natural history periodical, first published by Emil Selenka, later continued by C.K. Hoffmann. With many original contributions, often illustrated, sometimes with coloured plates. Papers include: Hoffmann, Ueber die Stäbchen in der Retina des Nautilus / Selenka, Die Anlage der Keimblätter bei Purpura lapillus / Le Roy, Notiz ueber Archegosaurus decheni Goldf. und A. latirostris Jordan / Hoffmann: Zur Anatomie der Asteriden / Hoek, Ueber Pycnogoniden / Hoffmann, Beiträge zur Kenntniss des beckens der Amphibien und Reptilien / Sluiter, beiträge zur Kenntniss der Baues der Kiemen bei den Lamellibranchiaten / Vigelius, Ueber das Excretionsystem der Cephalopoden, etc.