. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 1)1 f.—BPI.] BATRACHIA. H21 and bones oseifit d. (a) CroM Beotion of Am. Naturalist, vol. incisivuB, Cope, 1878, Pal. Ball. No. 29, and Proc. Am. Phil. Soc., vol. 17, p. 512, Permian. rectiformis. Cope, 1878, Pal. Bull. No. 29, and Proc. Am. Phil. Soc., vol. 17, 614, Permian. Kemiradicatus, Cope, 1881, Bull. U. S. Geo. Sur. Terr., vol. 6, No. 1, p. 80, Permian. DiPLocAiiLUS, Cope, 1877. Pal. Bull. No. 26, and
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 1)1 f.—BPI.] BATRACHIA. H21 and bones oseifit d. (a) CroM Beotion of Am. Naturalist, vol. incisivuB, Cope, 1878, Pal. Ball. No. 29, and Proc. Am. Phil. Soc., vol. 17, p. 512, Permian. rectiformis. Cope, 1878, Pal. Bull. No. 29, and Proc. Am. Phil. Soc., vol. 17, 614, Permian. Kemiradicatus, Cope, 1881, Bull. U. S. Geo. Sur. Terr., vol. 6, No. 1, p. 80, Permian. DiPLocAiiLUS, Cope, 1877. Pal. Bull. No. 26, and Proc. Am. Phil. Soc, vol. 17, p. 187. f£ty. dipfoos, double; ^auton, stem.] Vertebral centra contracted medially, perforated by the foramen chordae dor- salis, co-OBsified with the neural arch and supporting transverse processes; zygosphen articulation; two rib articu- lations, one below the other; axis and atlas united by a long zygosphen which is not roofed by the zygantrum; no neural spine, atlas insegmented; arch exterded into the foramen magnum; squamosal region developed into a horn. Sliull sculptured. Type D. sala- mandroides. magnicornis, Cope, 1882, Pal. Bull. No. 35, and Proc. Am. Phil. Soc, p. 453, Permian. Bulamandroides, Cope, 1877, Pal. Bull. No. 26, and Proc. Am. Phil. Soc, vol. 17, p. 187, Permian. Ectocynodon, Cope, 1878, Pal. Bull. No. 29, and Proc. Am. Phil. Soc, p. 508. [Ety. ektjoi, eternal; kuon, dog; odova, tooth.] Cranium short, wide, large post frontal bones, large orbit; bones sculptured but no lyra; teeth rhizo- dont, crowns elongated, compressed, anterior and posterior cutting edges; one between the orbit and nostril larger and longer than the others, and lying outside of the closed dentary bone; mandibular symphysis not su- tural but ligamentous. Type E. or- dinatus. aguti. Cope, 1882, Pal. Bull. No. 35, and Proc. Am. Phil. Soc, p. 451, Permian. ordinatus. Cope, 1878, Pal. Bull. No. 29, and Proc. Am. Phil. Soc, p. 508, Per- mian. Edaphosaurub,
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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology
