OF THE UPPER MISSOURI. 
CATALOGUE OF CRETACEOUS FOSSILS, continued. 
89 
Lucina subun oe ata, Hall & Meek, 1854, Mem. Am. Acad. Arts and Sci. Boston, 
v, N.S. pl. i, fig. 6, é . . ‘ 
Lucina ven ty ricosa, Meek & aides. (uss, ) 
SOLEMYID&. 
Solemya subplicata, Meek & Hayden 
Solen subplicata, M. & H. Pr. Acad. Nat. ‘Sei. Phila. ‘April 1856, 82. 
ASTARTIDA. 
Crassatella Evansi, Hall & Meek, 1854, Mem. Am. Acad. Arts and Sci. Boston, 
vy, N. S. 383, pl. i, fig. 9, ° ; : . 
Astarte gregaria, M. & H. April 1856, Pr. ink Nat. Sci Phila. 4, 
MYTILIDZ. 
Mytilus subarcuatus, Meek & dee Nov. 1856, Pr. Acad. Nat. Sci. 
Phila. 276, 
Modiola M ee k ii, Evans & Skis 
Mytilus Galpinianus, E. & S. Aug. 1964 Pr. Pee Nat. Sei Phila. 164. 
Modiola attenuata, Meek & Hayden 
Mytilus attenuatus, M. & H. April 1856, Pr, Kel Nat. Het. Phila. 86. 
AVICULID &. 
Avicula lin guiformis, Evans & Shumard, 1854, Pr. Acad. Nat. Sci. Phila. 
163, . 
Avicula sub gtbboss Meck & Haye May 1860, Pr, Asi Nat. Sei. Phila. 
180, 
Avicula Ne ebrascana, ‘ie & Shumard, ss Trine, oe Sci St. Loi, 
5, P00; * ‘ . : 
Avicula Haydeni, Hall & Meek, 1854, es ea Sai Sei. and ans Baton, 
¥, N.8, 382, pl. i, fig. 6... < 
Gervillia subtortuosa, Meek & Haya, ae 18565: Pr. Acad. Nat. Sei. 
Phila. 276, 
Tnoceramus pertenuis Meck & mad Nov. 156, Pr. ik Nat. Sei 
Phila. 276 
Inoceramus ibe us, oe: & H. SES 1956, "Pr, Acad. “Nat. Sci. “Phila, 87. 
(Non. J. eniscoas Sowerby.) ; 
Inoceramus pertenuis, var. subdepressus, Meek & Hayden,. +. + +; 
Inoceramus subcompressus, Meek & oo? a 1860, Pr. Acad. Nat. 
Sci. Phila. 181 
Tnoceramus f ecules Hall & Meck, 1854, a a so on ‘od Sei. 
Boston, v, N. 8. 388, pl. ii, fig. 6. 
Inoceramus roblematicus, Schlot. sp.?, . : . : . . . 
mide sh ited ermine Schlotheim, Petrefact. 312. 
noc , Mantell, 1822, Geol. Sussex, pl. xxvii, fig. 3, and pl. xxviii, 
g a ; 
Inoceramus problematicus, d’Orbigny, 1843, Palwont. Franc. t. iti, 510, pl. edvi. 
Tnoceramus pseudo-m . tiloide Schiel. — ii, Pacific Railroad —— 
108, pl. iii, fig. 8, . 
| Formations in ascending order. 
1 2 | 3 4 
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