GEOLOGICAL SURVEY

JIOYI.F,.] NORTH AMERICAN MESOZOIC INVERTEBRATA. 139
Gryphaea Continued.
convexa n. 8. Morton. (1828.)
Jour. Acad. Nat. Sci., Phila., vol. 6,1st ser., 1828-
1831, pp. 79, 80, pi. 4, figs. 1, 2. Phila., 1827-
1831. S. G. Morton.
formation: Cretaceous.
Location: Woodward's farm, near Walnford, New
Egypt, N. J.; St. Georges, Del.
convexa (Say sp.) Morton. (1829.)
Jim. Acad. Nat. Sci., Phila.. vol. 6,1st sen, 1827-
1831, p. 1:>1. Phila., 1827-1831. S. G. Morton.
Formation: Cretitceous.
Location: Big- Timber creek, Gloucester county,
N. J.
convexa (Say sp.) Morton. (1830.)
Am. Jour. Sci., 1st ser., vol. 17, p. 283. New
Haven, 1830. S. G. Morton.
Formation: [Cretaceous.]
Location: New Jersey.
convexa (Say) Morton. (1834.)
Synop. Org. Bern. Cret. Gr. U. S., p. 53, pi. 4, figs.
1,2. Phila., 1834. S.G. Morton.
Formation: Cretaceous.
Location: New Jersey, Delaware, and Alabama.
convexa (Say) Troost. (1840.)
Fifth Geol. Rep. Tenn., p. 46. Nashville, 1840.
G. Troost.
Formation: Cretaceous.
Location: McNairy county, Tenn.
corrugata n. 8. Say. (1823.)
Account of Exped. Pittsburg to Kocky mountains,
vol. 2, pp. 410, 411. Phila., 1823. Thos. Say.
Formation: [Cretaceous.]
Location: About Red river.
dilatata var. tucumcarii n.var. Marcou.
(1858.)
Geol. N. Am. pp. 43,44, pi. 4, figs. 1, la, b, 2, 3.
Zurich, 1858. Jules Marcou.
Formation: Jurassic [Cretaceous].
Location: Bluffs surrounding Plaza Largo, in the
bed of Fossil creek, at the bigand little Tucumcarii,
Pyramid mount, Monte revnelto and
the Llano Estacado,near the village of Covero,
New Mexico, and on the tableland or mesn between
Inscription rock and the Canoncito Bonito,
west of the SierraMadre. Southern part of
the Llano Estacado. Leon springs between Fort
luge, Tex.,and El Paso, Chihuahua.
mucronata Gabb. (1869.)
Geol. Sur. Cal., Paleont., vol. 2, pp. 274,275.
Phila., 1869. W.M.Gabb.
Formation: Cretaceous.
Location: Sierra de las Conchas, near Arivechi,
Sonora, Mexico.
mucronata (Gabb) White. (1884.)
Fourth Ann. Kep. U. S. Geol. Sur., p. 302.
Wash., 1884. C. A. White.
Formation: Cretaceous.
mutabilis n. a. Morton. (1828.)
Jour. Acad. Nat. Sci., Phila., vol. 6,1st. ser., 1828-
1831, pp. 81-83, pi. 4, fig. 3. Phila., 1827-1831.
S.G. Morton.
Formation: Cretaceous.
Location: Now Jersey and Delaware.
Gryphaea Continued.
mutabilis (Say sp.) Morton. (1830.)
Am. Jour. Sci., 1st. ser., Vol. 17, p. 283. New
Haven, 1830. S.G. Morton.
Formation: Cretaceous.
Location: New Jersey.
mutabilis Morton. (1834.)
Synop. Org. Rem. Cret. Gr. U. S., pp. 53,54, pi. 4.
fig. 3. Phila., 1834. S. G. Morton.
Formation: Cretaceous.
Location: New Jersey, Delaware, Alabama, Tennessee,
and Missouri.
mutabilis (Mort.) White. (1884.)
Fourth Ann. Rep. U. S. Geol. Sur., p. 302. Wash.,
1884. C. A. White.
Formation: Cretaceous.
navia (Con.) Gabb. (1869.)
Geol. Sur. Cal. Paleont., vol. 2, pp. 273, 274.
Phila., 1869. W. M. Gabb.
Formation: Cretaceous.
Location: Sierra de las Conchas, near Arivecbi,
Sonora, Mexico.
navia (Con.) White. (1883.)
Fourth Ann. Rep. U. S. Geol. Sur., p. 302, Wash.,
1884. C. A. White.
Formation: Cretaceous.
nebrascensis (M. & H.) Whiteaves.
(1884J
Geol. and Nat. Hist. Sur. Can. Mess. Foss., vol.1,
pt. 3, pp. 244, 245, pi. 32, figs. 2,2a, b. Montreal,
1884. J. F. Wbiteaves.
Formation: Cretaceous.
Location: East end of Maud island; south side of
Alliford bay.
pitcheri n. s. Morton. (1834.)
Synop. Org. Rem. Cret. Gr. U. S., p. 65, pi. 15, fig.
9. Phila., 1834. S.G. Morton.
Formation: Cretaceous.
Location: Plains of the Kiamesha, in Arkansas;
falls of Verdigris river, in the same territory.
pitcheri (Morton) Roemer. (1849.).
Tex., pp. 394,395. Bonn, 1849. F. Roemer.
Formation: Cretaceous.
Location: Eight miles above New Braunfels, Mission
hill, upper |Brazos river, and near Freciericksburg,
Tex.
pitcheri Morton. (1852.)
Kreide von Tex., pp. 73, 74, Taf. 9, figs. la-c.
Bonn, 1852. F. Roemer.
Formation: Cretaceous.
Location: Guadalupe river, eight miles above New
Braunfels, Mission hills, upper Brazos river, and
Fredericksburg, Tex.
pitcheri (Mort.) Shurnard. (1853.)
Expl. Red river, Louisiana, by R. B. Marcy, p. 205,
pi. 6, fig. 5. Wash., 1853. B. F. Shnmard.
Formation: Crotoceous.
Location: Fort Washita, Ind. T.; Cross.Timbers,
Tex.
pitcheri (Mort.) Blake. (1855.)
Rep. Expl. and Sur. P. R. R. Mississippi river to
Pacific ocean, vol. 2; Rep. Geol. Thirty-second
Parallel,, p. 39. Wash., 1855. W.P.Blake.
Formation: Cretaceous.
Location: From the Big springs of the Colorado.