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Ruuhijärvi, Finland
there are several lakes Ruuhijärvi, but this one is close to the (N.) map area p. 42, not sure this is the one Luther 1961 {2736} is referring to on page 22.
latitude: 61.033333
longitude: 26.016666
Precision of location: Alexandria Digital Library (with NGA GNDB data)
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Polycelis tenuis | 1961 or earlier | N. [map reference area, p. 42]; Ruuhijärvi. | ||
| Bothromesostoma personatum | 1963 or earlier | |||
| Castrella truncata | 1955 or earlier |