. Annales de biologie lacustre. Natural history; Freshwater animals; Freshwater plants; Lakes. Figure 3. — Dessin, à la chambre claire, d'après nature. A. Un utricule, n'ayant pas encore fonctionne, vu sous un autre angle que celui de la figure 2. B. Le même, après qu'il a réagi. Remarquez son é 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 Station biologique d'Overmeire. Bruxelles : F. Vanbuggenhoudt

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Keywords: ., bookcentury1900, bookdec, booksubjectnaturalhistory, bookyear1912