. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 164 J. Das Materials and methods The fishes were caught from the banks of the habitats with a spoon net (0: 32 cm; lenght: 42 cm; mesh size: cm; length of the shaft: m). The contents of the net were inspected and subsequently the animals caught were released in the water (except the specimens mentioned in the text). The chemical parameters were determined by the "Aquamerck Wasserlabor 1102", Merck, Darmstadt, FRG. The temperature and the consistenc
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. 164 J. Das Materials and methods The fishes were caught from the banks of the habitats with a spoon net (0: 32 cm; lenght: 42 cm; mesh size: cm; length of the shaft: m). The contents of the net were inspected and subsequently the animals caught were released in the water (except the specimens mentioned in the text). The chemical parameters were determined by the "Aquamerck Wasserlabor 1102", Merck, Darmstadt, FRG. The temperature and the consistency (o 18°C) were measured by a calibrated liquid thermometer, resp. Fig. 1: Habitats of Valencia letourneuxi in South Eastern Europe. The small letters indicate the habitats in the order of their discovery: a: Sauvage (1880), Oliva (1965), Woeltjes (1982); b: Stephanidis (1939); c: Oliva (1961); d: Stephanidis (1974); e: Stephanidis (1974), Das (this paper); f: Labhart (1980); g: Baun (Seegers, 1980); h: and i: Woeltjes (1982): k: Das (this paper). Insert A: Flat at the mouth of the Aheron-river. Insert B: Valley west of Kipseli. (The numbers correspond to the habitats mentioned in the text.). 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 Zoologisches Forschungsinstitut und Museum Alexander Koenig. Bonn : Das Forschungsinstitut
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