. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. ft leavenworthensia, Meek & Hayden, 1858, (Allorisma leaven worthense,) Proc. Acad. Nat. Sci. Phil., p. 263, and Pal. Up. Mo., p. 43, Coal Meas. maria, Worthen, 1882, Bull. No. 1. 111. St. Mu8. Nat. Hist., p. 39, and Geo. Sur. 111., vol. 7, p. 319, Up. Coal Meas. minnebaha. Swallow, 1858, (Allorisma (?) Minnehaha,) Tranii. St. Louis Acad. Sci, vol. 1, p. 194, and Geo. Sur. 111., vol. 5, p. 588j Coal Meas. rlio
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. ft leavenworthensia, Meek & Hayden, 1858, (Allorisma leaven worthense,) Proc. Acad. Nat. Sci. Phil., p. 263, and Pal. Up. Mo., p. 43, Coal Meas. maria, Worthen, 1882, Bull. No. 1. 111. St. Mu8. Nat. Hist., p. 39, and Geo. Sur. 111., vol. 7, p. 319, Up. Coal Meas. minnebaha. Swallow, 1858, (Allorisma (?) Minnehaha,) Tranii. St. Louis Acad. Sci, vol. 1, p. 194, and Geo. Sur. 111., vol. 5, p. 588j Coal Meas. rliomboidea, Mbek <& Worthen, 1865, Pf 00. Acad. Nat. Sci. Phil., 250, and Geo. Sur. 111., vol. 5, p. 540, St. Louis Gr. CiMiTARiA, Hall, 1870, Prelim. Notice Lam. Shells, p. 66. [Ety. from resemblance to a cimiter.] Equi- valve, transversely elongated; valves depressed, with an antero-mesial con- striction; beaks in- curved ; cardinal line recurved; escutch- eon and luiiule; liga- ment external; sur- face concentrically lined. Type C. re- curva. ingulata. Hall, 1885, Pal. N. Y., vol. 5, p. 468, Chemung Gr. corrugata, Conrad, 1842, (Cypricardites corrugatus,) Jour. Acad. Nat. Sci., vol. 8, p. 244, and Pal. N. Y., vol. 5, pi. 77, figs. 1-4, Ham. Fio. 793 —Chwnomya marla. Dorsal view. Fio. 794.—Clmltaria recurva. elongata, Conrad, 1841, (Cypricardites elongatus,) Ann. Hep. N. Y., p. 51, and Pal. N. Y., vol. 5, pi. 77, figs. 5-8, Ham. Gr. recurva, Conrad, 1842, (Cypricardites re- curvus,) Jour. Acad. Nat. Sci., vol. 8, p. 245, and Pal. N. Y., vol. 5, pi. 77, figs. i)-16. Ham. Gr. Clidopiiorus, Hall, 1847, Pal. N. Y., vol. 1, p. 300. [Ety. kleidos, a clavicle | phoros, bearing. J Equivalve, inequilateral; hinge without teeth or crenulations; cast marked by an oblique linear de- The name was. 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
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