. Annales de biologie lacustre. Natural history; Freshwater animals; Freshwater plants; Lakes. Fie. 42. Figure frl. — Extrémité du siphon respiratoire d'une larve de Culex a) La cupule respiratoire ouverte, vue par-dessus; b) Cupule respiratoire ouverte, vue de côté ; c) Cupule respiratoire fermée, vue de côté.. 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, bookdecade1900, books, booksubjectnaturalhistory