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Biologische Untersuchungen TAF. . GUSTAF RETZIUS ber den Bau des Eies der Echinodermen Biol Unters Band XV Unreife reife und befruchtete Eier von Parechinus miliaris TAF Gez Re'j Lichtdruck von Lagrelis Westphal Stoci TAF Illustration XV biodiversitylibrary org title Frst Carl Magnus Retzius Gustaf Stach Wilhelm NameFound