. Annales de biologie lacustre. Natural history; Freshwater animals; Freshwater plants; Lakes. — 108 — témoigne un examen microscopique du cocon dont la texture ne révèle aucune trame bien nette, mais ne laisse voir qu'une. 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, bookdecade1920, booksubjectnatural, bookyear1922