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west side of South Fishtail Bay, Douglas Lake, Cheboygan County, Michigan, USA
latitude: 45.566898
longitude: -84.679901
Precision of location: Gauged from chart or map
Site Named Here: By name of site (or city, etc.)
| Dugesia tigrina | Jun 25-26, 1940 | Under stones along shore. Numerous asexual specimens of the spotted color pattern in full agamie reproduction. |