GEOLOGICAL SURVEY

102 NORTH AMERICAN MESOZOIC INVERTEBRATA. [HULL. 102.
Crassatella Continued.
monmouthenais (Gabb) Whitiield.
(1885.)
Mon. U. S. Gool. Sur., vol. 9, i>p. 119, 120, pi. 17,
figs, 21,22. Wash., 1885. E. P. Whitfield.
Formation: Cretaceous.
Location: Monmouth, N. ,T.
? parvula n. s. Shumard. (1861.)
Proc. Boston Soc. Nat. Hist., vol. 8, 1801-1862, p.
202. Boston, 1862. B. F. Shumard.
Formation: Cretaceous.
Location: Bed river, Faun in county, Texas.
prora n. s. Conrad. (1869.)
Am. Jour. Conch., vol. 5, Phila., 1869-1870, p. 43,
pi. 1, fig. 8. Phila., 1870. T. A. Conrad.
Formation: Cretaceous.
Location: Crosswicks, N. J.
prora (Con.) Whitfield. (1885.)
Mon. U. S. Geol. Sur., vol. 9, pp. 120-121, pi. 17,
figs. 10-11. Wash., 1885. B. P. Whitfield.
Formation: Cietaceous.
Location: Crosswicks, N. J.
pteropsis n. s. Conrad. (1860.)
Jour. Acad. Nat. Sci., Phila., vol. 4, 2d sur.,1858-
1860, p. 279, pi. 46, fig. 9. Phila., 1858-1860.
T. A. Conrad.
Formation: Cretaceous.
Location: Tippah county, Mississippi.
pteropsis n. s. Gabb. (1860.)
Jour. Acad. Nat. Sci., Phila., vol. 4, 2d ser., 1858-
1860., p. 395, pi. 68, fig. 28. Phila., 1858-1860.
Wm. M. Gabb.
Formation: Cretaceous.
Location: Hardeman county, Tennessee, and Eufaula,
Ala.
pteropsis (Gabb, not Con.) Conrad.
(1869.)
Amer. Jour. Conch., vol.5, Phila., 1869-1870, pp.
47-48. Phila., 1870. T.A.Conrad.
Formation: Cretaceous.
Location: Tennessee and Alabama; H addon field,
N. J.; Mississippi.
pteropsis Conrad. (1872.)
Proc. Acad. Nat. Sci., Phila., for 1872, p. 50, pl.l,
fig. 1. Phila., 1872. T.A.Conrad.
Formation: Cretaceous.
pteropsis ? Conrad. (1875.)
Bep. Geol. Sur. N. Carolina, vol. 1. Baleigh, 1875.
W. C. Kerr., App. A, p. 6, pi. 1, fig. 25. T. A.
Conrad.
Formation: Cretaceous.
Location: Snow Hill, Greene county, North Carolina.
pteropsis (Con.) Gabb. (1876.)
Proc. Acad. Nat. Sci., Phila., for 1876, p. 310.
Phila., 1876. Wm. M. Gabb.
Formation: Cretaceous.
Location: Pataula creek, Georgia; North Carolina.
rhombea n. B.. Whitfleld. (1885.)
Mon. U. S. Geol. Sur., vol. 9, pp.213, 214, pi. 27
figs. 16-19. Wash., 1885. B. P. Whitfield.
Formation: Cretaceous.
Location: New Egypt and Squankum, N. J.
Crassatella Continued.
ripleyaiia n. s. Conrad. (1858.)
Jour. Arad. Nat. Sd., Phila., vol.3,2d sor., 1855-
1858, p. 327, pi. 35, fig. 3. Phila., 1855-1858. T.
A. Oourad.
Formation: Cretaceous.
Location: Owl creek, 3 miles north of the town of
Bipley, Miss.
ripleyana Conrad. (1872.)
Proc. Acad. Nat. Sci., Phila., for 1872, p. 50 [pi. 1],
fig. 7. Phila., 1872. T. A. Conrad.
Formation: Cretaceous.
shumardi 11. s. Meek. (1876.)
Bep. Expl.Exped. Santa Fe, N. Mex., to junction
of Grand and Green rivers, pp. 127, 128, pi. 2,
figs. 7n-c. Wash., 1876. F. B. Meek.
.Formation: Cretaceous.
Location: Pope's Well.
subplana n. B. Conrad. (1853.)
Jour. Acad. Nat. Sci., Phila., vol. 2,2d.ser., 1850-
1854, p. 274, pi. 24, fig. 9. Phila., 1850-1854.
T. A. Conrad.
Formation: Cretaceous.
Location: Arneytown, N. J.
subplana (Con.) Whitfield. (1885.)
Mon. U. S. Geol. Sur., vol. 9, pp. 121, 122, pi. 18.
figs, 14-16. Wash., 1885. B. P. Whitfield.
Formation: Cretaceous.
Location: Bruere's pits, on Crosswicks creek,
near Walnford, and near Cream Bidge, New
Jersey.
subplana ? (Con.) Hill. (1889.)
Geol. Sur. Texas, Bull. No. 4, p. 11. Austin,
1889. B. T. Hill.
Formation: Cretaceous.
Location: Two miles north of Webberville, Tex.
subquadratan. s. Whitfleld. (1877).
U. S. Geogr. and Geol. Sur. Rocky Mt. region ;
Prelim. Bep. Paleout. Black Hills, p. 34.
Wash., 1877. B. P. Whitfield.
Formation: Cretaceous.
Location: On Cheyenne river [S. Dakota].
subquadrata Whitfleld. (1880.)
Bep. Geol. Black Hills of Dakota, pp. 412, 413,
pi. 11, fig. 12. Wash., 1880. B. P. Whitfield.
Formation: Cretaceous.
Location: On the Cheyenne river [S. Dakota].
transversa n. s. Gabb. (1861,)
Proc. Acad. Nat. Sci., Phila., for 1861, pp. 364,
365. Phila., 1862. Wm. M. Gabb.
Formation: Cretaceous.
Location: New Jersey.
transversa (Gabb) Whitfield.
(1885.)
Mon. U. S. Geol. Sur., vol. 9, pp. 122, 123, pi. 17,
figs. 16, 17. Wash., 1885. B. P. Whitfield.
Formation: Cretaceous.
Location: New Jersey.
tuscaiia (Gabb) White. (1889.)
Bull. U. S. Geol. Sur., No. 51, pp. 39, 40, pi. 6,
figs. 2-4. Wash., 1889. C. A. White.
Formation: Cre'tacoous.
Location: Sucia and Waldrou islands.