. Annales de la Société royale zoologique et malacologique de Belgique. Zoology; Mollusks. Fig. 3. — Surface à'Alcyonidium gelatinosum (Gross. 5o/i).. Fig. 4. — Surface à'Alcyonidium hirsulum. (Gross. 5o/i). Phototypie Week frères, Bruxelles. 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, bookdecade1900, booksubject, booksubjectmollusks