. Chester ostracodes of Illinois. Ostracoda, Fossil; Paleontology; Paleontology. Illinois State Geological Survey Kept. Inv. 77, Plate 13. 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 Cooper, Chalmer L. (Chalmer Lewis), b. 1898. Urbana, Ill.

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Keywords: ., bookcentury1900, bookpublisherurbanaill, booksubjectpaleontology