OF THE UPPER MISSOURI. 
CATALOGUE OF CRETACEOUS FOSSILS, continued. 
89 
Lucina subundata, Hall & Meek, 1854, Mem. Am. Acad. Arts and Sci. poren 
y, N.S. pl. i, fig. 6 0 6 0 0 
Lucina ventricosa, Meek & cae (rss. ) 
SOLEMYID Zi. 
Solemya subplicata, Meek & Hayden, 
Solen subplicata, M. & H, Pr. Acad. Nat. Sci. Phila. igo 1856, 82. 
ASTARTID&. 
Crassatella Hvansi, Hall & Meek, 1854, Mem. Am. Acad. Arts and Sci. apap 
y, N.S. 383, pl. i, fig. 9 , . 
Astarte gregaria, M. & H. April 1856, Pr. Acad. Nat. Sei. Phila. 84, 
MYTILIDA. 
Mytilus subarcuatus, Meek & see Noy. 1856, Pr. Acad. Nat. Sci. 
Phila. 276, : . . : : 
Modiola Meekii, Evans & & Shumard, Sp. 
Mytilus Galpinianus, H. & 8. Aug. 1854, Pr. Acad. Nat. Sei Phila. 164. 
Modiolaattenuata, Meek & Hayden, ; 
Mytilus attenuatus, M. & H. April 1856, Pr. ea Nat. Sa Phila. 86. 
AVICULID A. 
Avicula lin guiformis, Evans & Shumard, 1854, Pr. Acad. Nat. Sci. Phila. 
163, 0 
Avicula subgibbosa, Meck & : Hay, Map 1860, Pr. Acad. Nat. Sci. Phila. 
180, 0 0 
Avicula Nebrascana, Evans & Shumard, 189 1 Trans. Acad. Sci. St. Dos 
i, p. 38, . 
Avicula H ed eni, Hall & Meek, 1854, Mem. Am. new Sei and At Bos, 
yv, N. 8. 382, pl. i, fig. 5,. : 
Geryillia subtortuosa, Meek & Haya Noy. 1856, Pr. Acad. Nat. Sci. 
Phila. 276, 6 ‘ 
Inoceramus pertenuis, Meek & oases Noy. 1856, Pr. Acad. Nat. . Sei 
Phila. 276, 
Inoceramus ventricosus, M. & H. Meee 1856, Be Nea vat Sci. Phila. 87. 
(Non. I. ventricosus, Sowerby.) 
Inoceramus pertenuis, var. subdepressus, Meek & Hayden, . 0 : 0 
Inoceramus subcompressus, Meek & aoe ae 1860, Pr. Acad. Nat. 
Sci. Phila. 181, 
Inoceramus fragilis, Hall & Meck, 1854, Mem. Am. Ties hee na Sci. 
Boston, v, N.S. 388, pl. ii, fig. 6 
TInoceramus problematicus, ait sp.?, . 
Mytilites problematicus, Schlotheim, Petrefact. 312. 
Inoceramus mytiloides, Mantell, 1822, Geol. Sussex, pl. xxvii, fig. 3, and pl. xxviii, 
fig. 2 
Inoceramus problematicus, d’Orbigny, 1843, Paleeont. France. t. iii, 510, pl. edvi. 
Inoceramus pseudo-mytiloides, Schiel. 1855, ii, Pacific Railroad Report, 
108, pl. iti, fig. 8, ° 0 0 : . 9 0 5 
Formations in ascending order. 
2 3 4 
Pe 
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VOL. X1II.—12 
