88 ON THE GEOLOGY AND NATURAL HISTORY 
CATALOGUE OF CRETACEOUS FOSSILS, continued. 
Tellina (?) formosa, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 179, 
Tellina (?) subelliptica, M. & H. April 1856, Pr. Acad. Nat. Sci. Phila. 83, 
Tellina (?) Cheyennensis, M. & H. April 1856, Pr. Acad. Nat. Sci. Phila. 82, 
VENERID &. 
Venus circularis, Meek & Hayden, Noy. 1856, Pr. Acad. Nat. Sci. Phila. 272, 
Meretrix tenuis, Hall & Meek, sp., . 3 
Cytherea tenuis, Hall & Meek, 1854, Mem. jae Ageia Ati and Ser Bastion, vy, 
N. S. 383, pl. i, fig. 8. 
Meretrix tenuis, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 185. 
Meretrix pellucida, Meek & Hayden, 
Cytherea pellucida, M. & H. Noy. 1856, Pr. Ive Nat. St Phila. 272. 
Meretrix pellucida, M. & H. May 1860, if “ 185. 
Meretrix Deweyi, Meek & Hayden, 9 
Cytherea Dewey, M. & H. April 1856, Pr. iNew Nat. Sci. "Phila. 83. 
Meretrix Deweyt, M. & H. May 1860, i a 185. 
Meretrix O wenana, Meek & Hayden, 
Cytherea Owenana, M. & H. Nov. 1856, Pr. Aga, Nat. Sci. Phila. 273, 
Meretrix Owenana, M. & H. May 1860, a a 185. 
Meretrix orbiculata, Hall & Meek, sp., 
Cytherea orbiculata, Hall & Meek, 1854, Mem. eat Avis and Sc Bostnen Vv; 
N.S. pl. i, fig. 7. 
Meretrix orbiculata, Meek & Hayden, May 1860, Pr. Acad. Nat. Sci. Phila. 185. 
CYPRINID As. 
Cyprina arenarea, Meek & Hayden, May 1857, Pr. Acad. Nat. Sci. Phila. 143, 
Cyprina subtumida, M. & H. May 1857, Pr. Acad. Nat. Sci. Phila. 144, 
Cyprina humilis, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 179, 
Cyprina ovata, M. & H. May 1857, Pr. Acad. Nat. Sci. Phila. 144, . 
CARDIDA. 
Bucardia? Moreauensis, Meek & Hayden, J : 
Cyprina cordata, M. & H. May 1857, Pr. Acad. Nat. Sci. Phila. 143. (Non. B. 
cordata, sp. Buckm.) 
Tancredia Americana, Meek & Hayden, 
Heitangia Americana, M. & H. Noy. 1856, Pr. Acad. nen ‘Sei. Phila. O74. 
Tancredia Americana, M. & H. May 1860, “ se GB Gio 
Cardium speciosum, Meek & Hayden, Nov. 1856, Pr. Acad. Nat. Sci. Phila. 
274, 5 . . . . > : 
Cardium rarum, Evans & Shumard, Trans. Acad. Nat. Sci. St. Louis, i, 39, 
Cardium subquadratum, HE. & 8. st ue Gs i, 39, 
LUCINID &. 
Lucina occidentalis, Morton, sp., 
Tellina occidentalis, Morton, 1842, Jour. Acad. Nat. Sei Phila. viii, ‘it xi, fig. 3 
Lucina occidentalis, M. & H. Noy. 1856, Pr. Acad. Nat. Sci. Phila. 272. 
Formations in ascending order. 
2 3 4 5 
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