. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 496 LAMELLIBRANCHIA TA. [nuc, - NVA. Kio. 867.—Nuciilana belli- striuta. Left valve. bellistriata, Stevens, 1858. (Leda belli- etriata,) Am. Jour. Sci., vol. 25, p. 261, and Geo. Sur. Iowa, p. 717, Coal Meas. bellistriata var. at- tenuata, Meek, 1872, Pal. E. Neb., p. 206, Coal Meas. brevirostris, Hall, 1870, (Leda (?) brevirost ris,) Prelim. Notice Lam. Shells, p. 6, and Pal. N. Y., vol. 5, pis. 38, 39, Ham.
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 496 LAMELLIBRANCHIA TA. [nuc, - NVA. Kio. 867.—Nuciilana belli- striuta. Left valve. bellistriata, Stevens, 1858. (Leda belli- etriata,) Am. Jour. Sci., vol. 25, p. 261, and Geo. Sur. Iowa, p. 717, Coal Meas. bellistriata var. at- tenuata, Meek, 1872, Pal. E. Neb., p. 206, Coal Meas. brevirostris, Hall, 1870, (Leda (?) brevirost ris,) Prelim. Notice Lam. Shells, p. 6, and Pal. N. Y., vol. 5, pis. 38, 39, Ham. curta. Meek, 1861, (Leda curta,) Proc. Sci. Phil., p. 144, and Geo. Sur. 111., ;vol. 2, pio, belll- p. 283, ist. Louis striata. CarUiual view. (Jr. densmamillata, Stevens, 1858, (Leda densmamillata,) Am. Jour. Sci., vol. 25, p. 261, Marshall Gr. diversa, Hail, 1883, Pal. N. Y., vol. 5, pi. 47, figs. 31-37, Uam. Gr. nasuta, Hall, 1858, (Nucula nasuta,) Trans. Alb. Inst., vol. 4, p. 17, and Bull. Am. Mus. Nat. Hist., p. 57, War- saw Gr. nuculiform's, see Palseoneilo nuculiformis. obesa, White, 1879, Bull. U. S. Geo. Sur., vol. 5, No. 2, p. 216, and Cont. to Pal., No. 6, p. I.'i6, Carboniferous. ohioemis, Hall, syn. for N. pandoriformis. obscura, Hall, 1885, (Leda obscura,) Pal. N. Y., vol. 5, p. 331, Ham. Gr. pandoriformis, Stevens, 1858, (Leda pan- doriformis,) Am. Jour. Sci., vol. 25, p. 261,Waverly Gr. perstriata, Hall, 1883, Pal. N. Y., vol. 5, pi. 47, figs. 42-44, syn. for N. rostellata. rostellata, Conrad, 1841, (Nuculites rostel- latus,) Ann. Rep. Geo. N. Y., p. 50, Ham. Gr. saccata, Winchell, 1863, (Leda saccata,) Proc. Acad. Nat. Sci., p. 16, Mar- shall Gr. vaseyana, McChesney, 1860, (Nuculites vaseyanus,) Desc. New. Pal., Foss., p. 73, Ham. Gr. Nuculites, Conrad,- 1841, Ann. Geo. Rep. N. Y., p. 49. [Ety. Nucula, a genus of shells.] Equivalve, inequilateral, .transverse; anterior end rounded; posterior truncate or pointed; beak, anterior; c
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