. The Canadian field-naturalist. 432 The Canadian Field-Naturalist Vol. 107. Figure 1. The Channel Darter, Percina copelandi, (41 mm; Ohio; ROM 6975). Drawing by A. Odum, from Scott and Grossman (1973) by permission. (Figure 2). It occurs in the upper Mississippi River system in the Tennessee River drainage; to the northeast it is found throughout most of the Ohio River drainage, the Great Lakes basin (Lakes Huron, Erie, Ontario), and the St. Lawrence River drainage of Ontario, Quebec, New York and Vermont. A disjunct population occurs to the southwest in the Red, Ouachita, and Arkansas sys- I

---

. The Canadian field-naturalist. 432 The Canadian Field-Naturalist Vol. 107. Figure 1. The Channel Darter, Percina copelandi, (41 mm; Ohio; ROM 6975). Drawing by A. Odum, from Scott and Grossman (1973) by permission. (Figure 2). It occurs in the upper Mississippi River system in the Tennessee River drainage; to the northeast it is found throughout most of the Ohio River drainage, the Great Lakes basin (Lakes Huron, Erie, Ontario), and the St. Lawrence River drainage of Ontario, Quebec, New York and Vermont. A disjunct population occurs to the southwest in the Red, Ouachita, and Arkansas sys- I. 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: 2740px × 912px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorottawafi, bookcentury1900, bookdecade1910, bookyear1919