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Keywords from Image Description:
Die Radiolarien Rhizopoda radiata Ernst Haeckel Tafel . Die Radiolarien Rhizopoda radiata Ernst Haeckel Tafel Tafel Taf XXVIII Spongocyclia cycloides Hkl elliptica Hkl orthogona Hkl Scyllaea Hkl Charybdaea Hkl Stylospongia Huxleyi Hkl Spongasteriscus quadicornis Hk Die Radiolarien Rhizopeda radiata Eine Monographie