. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. 907.—Pteroultes profundus. profundus. Hall, 1884, Pal. N. Y., vol. 5, pt. 1, p. 237, Up. Chemung Gr. rostratus. Hall, 1884, Pal. N. Y., vol. 5, pt. 1, p. 238, Chemung Gr. apergenensis, Whitfield, 1882, Bull. Am. Mus. Nat. Hist., No. 3, p. 56, War- flaw Gr. P T YCHODESMA, Hall & Whitfield, 1872, 24th Rep. N. Y. ...Ius. Nat. Hist., p. 192. [Ety. ptychos, a folding; desma, a 1 igament, or band.] Form modiolo
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. 907.—Pteroultes profundus. profundus. Hall, 1884, Pal. N. Y., vol. 5, pt. 1, p. 237, Up. Chemung Gr. rostratus. Hall, 1884, Pal. N. Y., vol. 5, pt. 1, p. 238, Chemung Gr. apergenensis, Whitfield, 1882, Bull. Am. Mus. Nat. Hist., No. 3, p. 56, War- flaw Gr. P T YCHODESMA, Hall & Whitfield, 1872, 24th Rep. N. Y. ...Ius. Nat. Hist., p. 192. [Ety. ptychos, a folding; desma, a 1 igament, or band.] Form modioloid; hinge hav- ing a wide ligamental area, grooved by the P"cccj8sive growth of the ligament, as in ^ectuncuiUB. Type P. knappa- 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 Miller, S. A. (Samuel Almond), 1836-1897. Cincinnati : [s. n. ]
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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology
