. Devonian fishes of Iowa. Fishes, Fossil; Paleontology; Paleontology. Fig. 9. Fig. 10. Fig. 9. Pterichthys milleri Agassiz. Lower Old Red Sandstone; Scotland. Restored outline of dorsal aspect, x I (after Traquair). Fig. 10. The same from the ventral aspect. Lettering for both figures, and for Fig. 11: to. oec, median occipital; I. occ, lateral occipital; ag., angular; pt. m., post-median; p. m., pre-median; I., lateral; , extra-lateral; m., median; o., ocular; mx., maxilla; , semilunar; , anterior median dorsal; d., posterior median dorsal; a. d. I., anterior dorso-lateral
. Devonian fishes of Iowa. Fishes, Fossil; Paleontology; Paleontology. Fig. 9. Fig. 10. Fig. 9. Pterichthys milleri Agassiz. Lower Old Red Sandstone; Scotland. Restored outline of dorsal aspect, x I (after Traquair). Fig. 10. The same from the ventral aspect. Lettering for both figures, and for Fig. 11: to. oec, median occipital; I. occ, lateral occipital; ag., angular; pt. m., post-median; p. m., pre-median; I., lateral; , extra-lateral; m., median; o., ocular; mx., maxilla; , semilunar; , anterior median dorsal; d., posterior median dorsal; a. d. I., anterior dorso-lateral; p. d. L, posterior dorso-lateral; a. v. L, anterior ventro- lateral; p. v. I., posterior ventro-lateral; to. »., median ventral; d. ar., dorsal articular; v. or., ventral articular; e. m., external marginal; i. m., internal marginal; d. a., dorsal anconeal; v. a., ventral ancoaeal; , centrals of louver limb; m. m. to. to., marginals of lower limb; t., terminal of lower 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 Eastman, Charles Rochester, 1868-1918; Iowa Geological Survey. Des Moines : Iowa Geological Survey
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Keywords: ., bookcentury1900, bookdecade1900, booksub, booksubjectpaleontology
