OF THE UPPER MISSOURI. 
CATALOGUE OF CRETACEOUS FOSSILS, continued. 
91 
Leda (Yoldia) Evansi, Meek & Hayden, 
Nucula Evansi, M. & H. April 1856, Pr. Acad. Nat. Sei. Phila, ‘a4. 
Leda Evansi, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 185. 
Leda (Yoldia) ventricosa, Hall & Meek, sp., 
Nucula ventricosa, H. & M. 1854, Mem. Acad. Arts “ia Sci. itis. i, s. 385, 
pl. i, fig. 11. (Non. NW. ventricosa, Hind, 1843.*) 
Leda (Yoldia) subnasuta, Hall & Meek, sp., 
Nucula subnasuta, H. & M. Mem. Am. Acad. Arts aii Sei. Titi. i 8. 384, 
pl. i, fig. 11. 
NUCULIDA. 
Nucula equilateralis, M. & H. April 1856. Pr. Acad. Nat. Sci. Phila. 84, . 
Nuculasubplana, M. & H. ° . 6 85, . 
Nuculacancellata, M. & H. ps < 85, . 
Nucula planimarginata, M.& H. “ . ie 85, . 
Nuculaobsoletastriata,M.&H. “ . wd 275, . 
PECTENID &. 
Pecten rigida, Hall & Meek, 1854, Mem. Am. Acad. Sci. and Boe sign vy, 
M401, pl fi, Sg: 4, &, 8, & . 
Pecten Nebrascensis, M. & H. April 1856, Pr Arad, Nat. ‘Sei Phila, 87, . 
NOMIAD A. 
Anomia ob liq ua, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 181, . 
Anomia subtrigonalis, M. & H. May 1860, Pr. sees: Nat. Sci. Phila. 181, 
OSTREADA. 
Ostrea inornata, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 181, 
Ostrea translucida, Meck & Hajdeis (MSS. 
Ostrea larva, Hall & Meek ee nee 1854, ied, ees Arts eal Sei. 
Boston, v, N.S. 40 ‘ 
Ostrea con gesta, Conrad, 1843, Nicollet’ + Rept plo N. W. Toray 
167, rae 
Ostrea patina, uM. & H. 1856, Pr. nae ‘Nat. Sci Phila, 27 , eile wees 
Gryphea vesicularis, Lamarck? sp. . 
Ostrea vesicularis, Lamarck, 1860, Am. ‘tia, Vili, 160, t. 22, fig. 3. 
Ostrea deltoidea, Lamarck, 1860, Am. Mus. viii, 160, and xiv, t. 21, pars. 
Ostrea vesicularis of numerous authors 
BRACHIOPODA ? 
HIPPURITID &. 
Caprinella? coraloidea, Hall & Meck, 1854, Mem. Am. Acad, Arts and 
Sci. Boston, vy, N. S. 381, pl. ii, fig. 3 
RADIATA. 
FUNGIDA. 
Macrobacia coro nula, Goldf. sp. Petrefact. Germ. i, 50, tab. 14, fig. 10, 
VERTEBRATA. 
Mosasaurus Miss ouriensis, Leidy, ete tee eee bees 
Formations in ascending order. 
2 4 5 
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