. Fresh-water biology. Freshwater biology. Fig. 1481. no (in) Surface pustulose, with a radial furrow above the posterior ridge, usually painted with triangular spots or chevron-shaped hnes. - : ... Section Quadrula The typical species. Q- cylindrica Say (Fig. 1482; X i), ranges through the entire Ohio, Cmnberland, and Tennessee river systems and west to Arkansas. A few other, less elongated, species are found in Tennessee and Fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and ap

---

. Fresh-water biology. Freshwater biology. Fig. 1481. no (in) Surface pustulose, with a radial furrow above the posterior ridge, usually painted with triangular spots or chevron-shaped hnes. - : ... Section Quadrula The typical species. Q- cylindrica Say (Fig. 1482; X i), ranges through the entire Ohio, Cmnberland, and Tennessee river systems and west to Arkansas. A few other, less elongated, species are found in Tennessee and Fig. 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 Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]

---

Size: 2349px × 1064px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918