. Annales de biologie lacustre. Natural history; Freshwater animals; Freshwater plants; Lakes. Fig. 5. — Larva of Liponeura of Betscho. Ail segments are very broad against the length. The colour is on the dorsal side a dark green, on the ventral 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