Deutsche Süopolar-Expeoition. 1901-3. 



Band XIII Tafel III. 





Popo';.. 



eimer in Berlin. 



Fig. 1 Acanthosphaera dodecastyla Mast. Fig. 2 Cladococcus irregularis n. sp. A 



Fig. 3 Perichlamydium saturnus H.? = Stylodictya Dujardinii H. Fig. 4 Amphicraspedum anomalum n 



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