GEOLOGICAL SURVEY

140 NORTH AMERICAN MESOZOIC 1NVERTEBRATA.
Gryphaea Contiimed.
pitcher! (Mortem) Conrad. (1855.)
Bep. U. S. and Mex. Bound. Sur., vol. 1, pt. 2, p.
155, pi. 7, fig. 3; pi. 10, figs. 2«, b. Wash.,1857.
T. A. Conrad.
Formation: Cretaceous.
Location: Leon springs, Tex., plains of the Kiamesha,
Ark., New Braunfels, Tex., Fort Wushita
and Cross Timbers, Tex.
pitcher! (Mort.) Schiel. (1855.)
Bep. Expl. and Sur. P. B. B. Mississippi river to
Pacific ocean, vol. 2; Bep. Expl. Forty-first parallel,
N. Lat., p. 108, pi. 3, fig. 9. Wash., 1855.
James Schiel.
Formation: Cretaceous.
Location: Top of a sand hill near Grand river.
pitcheri (Mort.) Hall. (1856.)
Bep. Expl. and Sur. P. B. B. Mississippi river to
Pacific ocean, vol. 3, pt. 4, pp. 99, 100, pi. 1,
figs. 1-6. Wash., 1856. James Hall.
Formation : Cretaceous.
Location: Pyramid mountain, Plaza Larga,
Camp 50.
pitcher! (Morton) Marcou. (1858.)
Geol. N. Am. pp. 38-40, pi 4, figs. 5,5a,b, 6.
Zurich, 1858. Jules Marcou.
Formation : Cretaceous.
Locution : Hills surrounding Comet creek, one of
the affluents of the False Washita river (Long.
99°, Lat. 35° 50'); on the bank of the Canadian;
at Fort Washita; in the plain of Kiamesha,
Arkansas; at the fall of the Verdigris river,
affluent of the Arkansas ; near Preston ; in the
vicinity of Now Braunfels ; and at Waco camp
on the Bio Guadalupe, Tex.
pitcher! (Mort.) Gabb. (1860.)
Second Bep. Geol. Bee. Arkansas, pi. 7, fig. 6.
Phila., 1860. D.D.Oweu.
Formation: Cretaceous.
Location : Arkansas.
pitcher! (Mort.) Newberry. (1861.)
Hep. Colorado river of the West, pt. 3, p. 121.
Wash., 1861. J. S. Newberry.
Formation : Cretaceous.
Location: A few miles east of Fort Defiance, still
further eastward near Covera; on the banks of
the Pecos, east of Albuquerque.
pitcher! (Morton) Gabb. (1869.)
Geol. Sur. Cal. Paleont., vol. 2, pp. 272, 273.
Phila., 1869. W. M. Gabb.
Formation: Cretaceous.
Location : Sierra de las Conchas, near Arivechi,
Sonora, Mexico.
pitcher! (Mort.) White. (1884.)
Fourth Ann. Bep. U. S. Geol. Sur., pp. 302, 303,
pS. 49, figs. 1-6. Wash., 1884. C. A. White.
Formation: Cretaceous.
pitcher! var. navia n. var. Hall.
(1856.)
Bep. Expl. and Sur. P. 11. B. Mississippi river to
Pacific ocean, vol. 3, pt. I, p. 100, pi. 1, figs.
7-10. Wash., 1856. James Hall.
Formation : Cretaceous.
Location : False AVashita, Camp 31.
Gryphaea Con tin ned.
pitcheri var. navia (Hall) Newberry.
(1861.)
Bep. Colorado river of the West, pt. 3, p. 120.
Wash., 1861. J. S. Newberry.
Formation : Cretaceous.
Location: At the Moqui villages; east of Fort
Defiance ; on the Pecos.
pitcheri var. navia (Hall) Whitfield.
(1884.)
Mong. U. S. Sur., vol. 9, p. 38. Wash., 1880.
B. P. Whitfield.
Formation : Cretaceous.
Location : Moumonth county and Blue Ball, N.
J.; also from Freehold, Burlington, Timber
creek, and New Egypt, N. J.
pitcher! var. (Mort.) White. (1875.)
Bep. Geogr. and Geol. Expl. and Sur. west of
one-hundredth meridian, vol. 4, pt. 1, pp. 171,
172, pi. 17, figs. la-/. Wash., 1875. C. A. White.
Formation : Cretaceous.
Location : Twenty-five miles southwest of and
also near Paria ; east fork of Paria creek ; east
of Impracticable ridge ; Dirty Devil river, east
of ridge, Utah; canyon five miles west of
Puerco; east of Mount Taylor, and Acomu
plateau, New Mexico, etc.
planoconvexa n. s. Whitfield.
(1876.)
Bep. Bee. Carroll, Mont., to Yellowstone National
Park, p. 142, pi. 2, figs. 9,10. Wash., 1876.
B. P. Whitfield.
Formation : Jurassic.
Location : In the Bridger mountains, Mont.
plicatella n. 8. Morton. (1833.)
Am. Jour. Sci., 1st ser., vol. 23, p. 293, pi. 9, fig.
4, [vol. 24]. New Haven, 1833. S. G. Mortou.
Formation : Cretaceous.
Location: Alabama.
plicatella Morton. (1833.)
Am. Jour. Sci., 1st ser,, vol. 24, pi. 9, fig. 4.
New
Haven, 1833. S. G. Mortou.
sinuata var. americana n. var.
Marcou. (1858.)
Geol. N. Am., pp. 37, 38, pi. 3, fig. 1. Zurich,
1858. Jules Marcou.
Formation : Cretaceous.
Location : Borders of Bed river, near Preston,
Tex.
thirsae n. s* Gabb. (1861.)
Proc. Acad. Nat. Sci. Phila., for 1861, pp. 329,330.
Phila., 18 2. W. M. Gabb.
Formation: Cretaceous. [Tertiary.]
Location: " Nanafalia," Ala.
thirsae (Gabb) White. (1884.
Fourth Ann. Bep. U. S. Geol. Sur., p. 303. Wash.,
1884. C. A. White.
Formation: Cretaceous.
- vesicularis (Lam.) Bronn. (1838.)
Lethtea Geognostica, Zweiter Baud, pp. 670-672.
Taf. 32, figs. 1 a-e. Stuttgart, 1838. H. G,
Bronn.
Formation : Cretaceous.
Location: New Jersey.
* Nanafalia Bluff referred to Tertiary by Smith A Johnson. G. thirsee, referred to Ostred thirsse by Heilprin.