. Annales de la Société royale zoologique et malacologique de Belgique. Zoology; Mollusks. Pig. 134. — Spirema melonic X 300, page Fig. 135. — Polyspira octopyle X 300, page 114. V^. 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 Société royale zoologique et malacologique de Belgique. [S. l. : s. n. ]

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Keywords: ., bookcentury1900, bookdec, booksubjectmollusks, booksubjectzoology