. Contributions to paleontology. Paleontology -- Paleozoic; Invertebrates, Fossil. . 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 Roy, Sharat Kumar, 1897-1962; Field Museum of Natural History; Gronemann, Carl Fredrick, 1879-1941, illustrator; Carpenter, C. H. photographer; Farrington, Oliver C. (Oliver Cummings), 1864-1933, editor Curator, Dept. of Geology. Chicago : Field Museum of Natural History

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectinvertebratesfossil