. Description géologique de Java et Madoura. Geology; Geology; Volcanoes; Foraminifera, Fossil. FigJ30,131 OpercuUna granulosa Leynv. var. Niasi Fia. 126. Fig. 126Hekrosiegina Niasi Verb. (Récent.) Fiff. J27. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Verbeek, R. D. M. (Rogier Diederik Marius), 1845-1926; Fennema, Rinder, 1849-1926. Amsterdam, J. G. Stemler cz.

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Keywords: ., bookcentury1800, bookde, booksubjectgeology, booksubjectvolcanoes