88 
ON THE GEOLOGY AND NATURAL HISTORY 
CATALOGUE OF CRETACEOUS FOSSILS, continued. 
Formations 
in ascending order. 
1 j 
2 
3 
4 
5 
Tellina (?) form os a, M. & H. May I860, Pr. Acad. Nat. Sci. Phila. 179, 
* 
Tellina (?) s u b e 11 i p t i c a, M. & II. April 1856, Pr. Acad. Nat. Sci. Phila. 83, 
0 
* 
Tellina (?) Cheyenne n sis, M. & II. April 1856, Pr. Acad. Nat. Sci. Phila. 82, 
* 
VENERIDiE. 
Venus circularis, Meek & Hayden, Nov. 1856, Pr. Acad. Nat. Sci. Phila. 272, 
Meretrix tenuis, Hall & Meek, sp., ......... 
Cytherea tenuis, Hall & Meek, 1854, Mem. Am. Acad. Arts and Sci. Boston, v, 
N. S. 383, pi. i, fig. 8. 
Meretrix tenuis , M. & II. May 1860, Pr. Acad. Nat. Sci. Phila. 185. 
-X- 
•X- 
Meretrix pellucid a, Meek & Hayden, ........ 
Cythereapellucida, M. & H. Nov. 1856, Pr. Acad. Nat. Sci. Phila. 272. 
Meretrixpellucida, M. & II. May 1860, “ “ 185. 
* 
Meretrix D e w e y i, Meek & Hayden, ........ 
Cytherea Deweyi, M. & II. April 1856, Pr. Acad. Nat. Sci. Phila. 83. 
Meretrix Deweyi, M. & H. May 1860, “ “ 185. 
Meretrix Owenana, Meek & Hayden,. 
Cytherea Owenana, M. & H. Nov. 1856, Pr. Acad. Nat. Sci. Phila. 273. 
Meretrix Owenana, M. & H. May 1860, “ “ 185. 
* 
Meretrix orbiculata, Hall & Meek, sp., ....... 
Cytherea orbiculata, Hall & Meek, 1854, Mem. Acad. Arts and Sci. Boston, v, 
N. S. pi. i, fig. 7. 
Meretrix orbiculata, Meek & Hayden, May 1860, Pr. Aead. Nat. Sci. Phila. 185. 
■X- 
CYPR1NIDAE. 
Cyprina arenarea, Meek & Hayden, May 1857, Pr. Acad. Nat. Sci. Phila. 143, 
Cyprina subtumida, M. & II. May 1857, Pr. Acad. Nat. Sci. Phila. 144, 
* 
-X- 
Cyprina humilis, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 179, 
Cyprina ovata, M. & H. May 1857, Pr. Acad. Nat. Sci. Phila. 144, . 
•X- 
* 
CARDIDAE. 
Bucardia? Moreauensis, Meek & Hayden, ...... 
Cyprina cordata, M. & H. May 1857, Pr. Acad. Nat. Sci. Phila. 143. (Non. B. 
■X- 
cordata, sp. Buckm.) 
Tancredia Americana, Meek & Hayden,. 
Hettangia Americana, M. & H. Nov. 1856, Pr. Acad. Nat. Sci. Phila. 274. 
Tancredia Americana, M. & H. May 1860, “ “ “ 185. 
Cardium speciosum, Meek & Hayden, Nov. 1856, Pr. Acad. Nat. Sci. Phila. 
274,. 
■X* 
Cardium r arum, Evans & Shumard, Trans. Acad. Nat. Sci. St. Louis, i. 39, . 
* 
Cardium s u b q u a d r a t u m, E. & S. 11 “ “ i, 39, . 
LUCINIDAE. 
Lucina occidentalis, Morton, sp.,. 
Tellina occidentalis, Morton, 1842, Jour. Acad. Nat. Sci. Phila. viii, pi. xi, fig. 3. 
Lucina occidentalis, M. & 11. Nov. 1856, Pr. Acad. Nat. Sci. Phila. 272. 
* 
