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 As. 
Venus circularis, Meek & Hayden, Nov. 1856, Pr. Acad. Nat. Sci. Phila. 272, 
Meretrix tenuis, Hall & Meek, sp., . 
Cytherea tenuis, Hall & Meek, 1854, titein: ins hick dicts “id Sci. Bostoti*¥; v, 
. 5. 383, pl. i, fig. 8. 
verte see M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 185. 
Meretrix pellucida, Meek & Hayden, . 
Cytherea pellucida, M. & H. Nov. 1856, Pr. Acad. Nat. Sci Phila. 272, 
Meretriz pellucida, M. & H. May 1860, 185 
Meretrix Deweyi, Meek & Hayden 
—— Deweyi, M. & H. April 1856, re Acad. Nat. — ‘Phila. 83. 
Meretrix Deweyi, M. & H. May 1860, 185. 
=cuns Owenana, Meek & Hayden, . 
Cytherea Owenana, M. & H. Nov. 1856, Pr. Acad. Nat. Sei. Phila. 273, 
Meretrix Owenana, M. & H. May 1860, # 
Meretrix orbiculata, Hall & Meek, sp., 
Cytherea orbiculata, Hall & Meek, 1854, Mem. Pes ae oat a Seaton x v, 
N.S 
Meretriz ovdidulate, Meek & Hayden, May 1860, Pr. Aead. Nat. Sci. Phila. 185. 
CYPRINID &. 
Cyprina arenarea, Meck & 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, . 
CARDID A. 
Bucs rdia? Moreauensis, Meek & Ha 
Cyprina cordata, M. & H. May 1857, Pr. ine "Nat. Sei, Phila. 143. ee 
cordata, sp. Buckm.) 
B. 
Tancredia Americana, Meek & Hayden, 
Hettangia Americana, M. & H. Nov. 1856, Pr. ad, N at, “Sei. Phila, a4 
Tancredia Americana, M. & H. May 1860, “ 
Cardium speciosum, Meek & Seip Noy. 1856, Pr. Acad, Nat. “e Pie 
ae a 
Cardium rarum, —— & Steasassik: Trans. Acad. Nat Sei St pa 39, 
Cardium subquadratum, E.& 8. = " “ 
i, 39, 
LUCINID Ai. 
Lucina occidentalis, Morton, sp., 
Tellina occidentalis, Morton, 1842, Jour. Auk: N at. Sci, Phila. viii, ps xi, fig. 3, 
Lucina occidentalis, M. & H. Nov. 1856, Pr. Acad. Nat. Sci. Phila. 979 
Formations in ascending order. 
