. Fresh-water biology. Freshwater biology. FRESH-WATJOR BIOLOGY. Fig. 15,15. Rcfl-EyL- or Guj^glc-I'.ye, A mlilopliies rupesfris (Rafinesque). Actual size, 32 mm., 115 mm. and 1S3 mm. long 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. ]

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918