. Fresh-water biology. Freshwater biology. 154 FRESH-WATER BIOLOGY 143 (147) Cells spherical 144 144 (i4S) 146) 14s (144, 146). 146 (144, 145). 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