90 
ON THE GEOLOGY AND NATURAL HISTORY 
CATALOGUE OF CRETACEOUS FOSSILS, continued. 
Formations in ascending order. 
1 
2 
3 
4 I 
5 
Inoceramus aviculoides, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 181, 
Inoceramus sublaevis, Hall & Meek, 1854, Mem. Acad. Arts and Sci. v, N. S. 
* 
386, pi. ii, fig. 1, ........... 
* 
Inoceramus convexus, Hall & Meek, 1854, Am. Acad. Arts and Sci. v, N. S. 
386, pi. ii, fig. 2, ........... 
Inoceramus tenuilineatus, II. & M. 1854, Am. Acad. Arts and Sci. v, N. S. 
* 
386, pi. ii, fig. 3, ........... 
* 
Inoceramus cuneatus, M. & H. May 1860, Pr. Acad. Nat. Sci. Pliila. 181, . 
Inoceramus Sagensis, Owen (?), 1852, Report, Survey Min. Iowa, and Wiscon. 
* 
* 
582, tab. vii, fig. 3, ........... 
Inoceramus incurvns, M.&H. Nov. 1856, Pr. Acad. Nat. Sci. Phila. 277, . 
Inoceramus umbonatus, M. &H. March 1858, Pr. Acad. Nat. Sci. Phila. 50, 
Inoceramus M o r t o n i, M. & IT. (MSS.) ........ 
Inoceramus Nebrascensis, Owen, 1852, Rept. Iowa, Wiscon. and Min. 582, 
* 
pi. viii, fig. 1,. 
* 
Inoceramus V anuxe m i, M. & 11. May 1860, Pr. Acad. Nat. Sci. Phila. 180, . 
* 
Inoceramus B a 1 c h i i, M. & H. “ “ “ “ 180, . 
* 
ARCIDTE. 
Area sulcatina, Evans & Shumard, 1857, Trans. St. Louis Acad. Sci. 39, . 
Area e x i g u a, Meek & Hayden,. 
Cucullcea exigua, M. & H. Nov. 1856, Pr. Acad. Nat. Sci. Phila. 275. 
* 
Cucullma fibrosa, Sowerby, 1818, Min. Conch, iii, 9,. 
Area fibrosa, d’Orbigny, 1843, Palmont. Franc, t. iii, 212, pi. cccxii. 
Area ( cucidlcea ) Shumardi, M. & II. April 1856, Pr. Acad. Nat. Sci. Phila. 86. 
* 
Cucullma c o r d a t a, Meek & Hayden, ........ 
Area ( cucidlcea ) cordata, M. & H. April 1856, Pr. Acad. Nat. Sci. Phila. 86. 
Cucidlcea cordata, M. & II. Nov. 1856, “ “ 285. 
* 
Cuculloea N ebrascensis, Owen, 1852, Rept. Wiscon. Iowa, and Min. 582, 
pi. viii, figs. 1, 1 a,. 
* 
Axinsea Siouxensis, Hall & Meek, sp.,. 
Pectunculus Siouxensis, H. & M. 1854, Mem. Acad. Arts and Sci. Boston, v, N. 
* 
S. 384, pi. i, fig. 12. 
Axincea Siouxensis, M. & H. May 1860, Pr. Acad. Nat. Sci. Phila. 185. 
Axincea subimbricata, Meek & Hayden,.. 
Pectunculus subimbricatus , M. & H. May 1857, Pr. Acad. Nat. Sci. Phila. 146. 
Axincea subimbricatus, M. & II. May 1860, “ “ 185. 
* 
Limopsis p a r v u 1 a, Meek & Hayden, ........ 
Peciunculina parvula, M. & H. April 1856, Pr. Acad. Nat. Sci. Phila. 86. 
Limopsis parvula, M. & H. Nov. 1856, “ “ 285. 
LEDIDiE. 
Leda (Yoldia) scitula, Meek & Hayden,. 
Nucula scitida, M. & H. April 1856, Pr. Acad. Nat. Sci. Phila. 84. 
Leda scitula, M. & H. May 1860, “ “ 185. 
* 
