. Fresh-water biology. Freshwater biology. Fig. 829. Contracoecum spiculigerum. Anterior end and tail of male. Magnified. (After Stossich.) 73 (72) With circle of spines on tail. Contracoecum adunca (Rudolphi) 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