. Annales de biologie lacustre. Natural history; Freshwater animals; Freshwater plants; Lakes. — 22 — than the mouth-hooklets. Whether the antennae and the pro- cesses from the 6th segment hâve disappeared on account of a mère distention of the body-wall or after an ecdysis, I hâve not been able to décide, I however think after an ecdysis. In the interior of the body, the imaginai dises and the shape of the pupal organs now can be seen (fig. 2 D), in the gênerai features as in the larva of I he largest larva measured had a length of 0,63 Please note that these images are extracted


. Annales de biologie lacustre. Natural history; Freshwater animals; Freshwater plants; Lakes. — 22 — than the mouth-hooklets. Whether the antennae and the pro- cesses from the 6th segment hâve disappeared on account of a mère distention of the body-wall or after an ecdysis, I hâve not been able to décide, I however think after an ecdysis. In the interior of the body, the imaginai dises and the shape of the pupal organs now can be seen (fig. 2 D), in the gênerai features as in the larva of I he largest larva measured had a length of 0,63 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