. Annales de biologie lacustre. Natural history; Freshwater animals; Freshwater plants; Lakes. - 151 - Synonymes : Cristatella mucedo var. idae Kraepelin, 1887; Davenport, 1904. ('/?/si. vagansLamarck, 1816; Lamouroux, 1816. Crist. mirabilis Dalyell, L834. Crist. lacustris Potts, L88 1. Derkleinere Federbuschpolyp Roesel, Fig. lu2. — Statoblaste de Cristatalla mucedo Cuv., gr. 35. Distribution géographique : Angleterre, France, Belgique, Pavs-Bas, Suisse, Russie, Alle- magne. Sur les tiges des plantes aquatiques. II. Gymnolémates. Orifice des zoécies ordinairement entouré d'une colleret


. Annales de biologie lacustre. Natural history; Freshwater animals; Freshwater plants; Lakes. - 151 - Synonymes : Cristatella mucedo var. idae Kraepelin, 1887; Davenport, 1904. ('/?/si. vagansLamarck, 1816; Lamouroux, 1816. Crist. mirabilis Dalyell, L834. Crist. lacustris Potts, L88 1. Derkleinere Federbuschpolyp Roesel, Fig. lu2. — Statoblaste de Cristatalla mucedo Cuv., gr. 35. Distribution géographique : Angleterre, France, Belgique, Pavs-Bas, Suisse, Russie, Alle- magne. Sur les tiges des plantes aquatiques. II. Gymnolémates. Orifice des zoécies ordinairement entouré d'une collerette séti- gère, parfois nu : A. Cténostomes. Orifice des zoécies pourvu d'un opercule mobile : B. Chilostomes. A. Cténostomes. Zoécies cornées, claviformes, formant des colonies dressées à ramifications grêles. 1. Palud'/ccllides. Zoécies cornées, hyalines, tubiformes, dressées, naissant d'un élargissement du stolon rampant. 2. 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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