. The Canadian field-naturalist. . Detroit River 0 25 50 km Figure 2. Distribution of Epioblasma tomlosa rangiana in Ontario. A. Historical distribution (inset shows historical North American distribution). B. Presumed current distribution, based on the results of 1997-1998 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 Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club

---

Size: 1813px × 1378px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorottawafi, bookcentury1900, bookdecade1910, bookyear1919