GEOLOGICAL SURVEY

BOYLE.] NORTH AMERICAN MESOZOIC INVERTEBRATA. 183
Meretrix Continued.
ovalis n. a. Gabb. (1864.)
Geol. Sur. Cal. Paleont., vol. 1, p. 166, pi. 30, fig.
251. Phila., 1864. W. M. Gabb.
Formation: Cretaceous.
Location: Near Fort Tejon, Cal.
tippana n. B. Conrad. (1858.)
Jour. Acad. Nat. Sci., Phila., vol. 3, 2d set., 1855-
1858, p. 326, pi. 34, fig. 18. Phila., 1855-1858.
T. A. Conrad.
Formation: Cretaceous.
Location: Owl creek, three miles north of the
town of Bipley, Miss.
uvasana n. a. Conrad. (1855.)
Rep. Expl. and Sur. P. B. B. Miss. Biver to
Pacific ocean, App. Prelim. Gool. Bep. of W.
P. Blake, Pal., p. 9. Wash., 1855. T. A. Conrad.
Formation: Tertiary [Cretaceous].
Location: Caflada de las Uvas.
uvasana Conrad. (1856.)
Bep. Expl. and Sur. P. R. B. Miss. Bivor to
Pacific ocean, vol. 5, App. p. 320, pi. 2, fig. 3.
Wash., 1856. T. A. Conrad.
Formation: Tertiary [Cretaceous].
Location: Cafiada de las Uvas.
-uvasana (Can.) Gabb. (1864.)
Geol. Sur. Cal. Paleont., vol. l,pp. 163,164, pi. 30,
fig. 248. Phila., 1864. W. M. Gabb.
Formation: Cretaceous.
Location: Near Fort Tejon; near Martinez, Cal.
uvasana (Conrad) White. (1889.)
Bull. U. S. Geol. Sur., No. 61, p. 42. Wash., 1889.
C. A. White.
Formation: Cretaceous.
Location: Suciaand Sheep Jack islands.
Mesalia (Gray) Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol. 9, pp. 332, 333.
Wash., 1876. F.B.Meek.
? kansasensis Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol. 9, pp. 333, 334,
pi. 2, figs. 7a, 6. Wash., 1876. F. B. Meek.
Formation: Cretaceous.
Location: Twelve miles south west of Salina, Kans.
obsuta n. a. White. (1889.)
Bull. U. S. Gool. Sur., No. 51, p. 20, pi. 4, fig. 607.
Wash., 1889. C. A. White.
Formation: Cretaceous.
Location: Near Pence's ranch, Buttocounty, Cal.
Mesorhytis (n. aubgen.) Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol. 9, p. 356, Wash.
1876. F. B. Meek.
(aubgen.)? Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol. 9, p. 364. Wash.
1876. F. B. Meek.
Metacypris forbesii (Jones) White.
(1886.)
Bull. U. S. Geol. Sur., No. 29, pp. 23,24, pi. 4, figs.
22-24. Wash., 1886. C. A. White.
Formation: Jurassic.
Location: Canyon city, Colo.
Metacypris Continued.
forbesii (Jones) White. (1886.)
Bull. U. S. Geol. Sur., No. 29, p. 24. ph 4, figs. 25j
26. Wash., 1886. C. A. White.
Formation: Jurassic.
Location: Canyon city, Colo.
1 (Jones) White. (1886.)
Bull. U. S. Geol. Sur. No. 29, p. 24. Wash., 1886.
C. A. White.
Formation: Jurassic.
Location: Canyon city, Colo.
Metaptera (subgen. Raf.) Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol. 9, p. 615.
Wash.,1876. F.B.Meek.
Metis (subgen. H. & A.' Ad.) Meek.
(1876.)
Hep. U. S. Geol. Sur. Terr., vol. 9, p. 194. Wash.,
1876. F.B.Meek.
Miprabacia (Edwards & Haine) Meek.
(1876.)
Bop. U.S. Geol. Sur. Terr., vol. 9, p. 1.
Wash.,
1870. F. B. Meek.
americana (M. & H.) Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol.9, pp. 1,2, pi. 28.
figs. lcir-d. Wash., 1876. F. B. Meek.
Formation: Cretaceous.
Location: Morean river.
Micropyrgus Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol. 9, p. 574.
Wash.,
1876. F. B. Meek.
minutulus (M. & H.) Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol. 9, p. 575, pi. 43, figs.
18a, fc. Wash.,1876. F.B.Meek.
Formation: Probably Eocene. [Cretaceous.]
Location: Three miles below Fort Union, Dak.
minutulus (M. &H.) White. (1883.)
Twelfth Ann. Bep. U. S. Gcoh and Geogr. Sur.
Terr., pt. 1, p. 98. Wash., 1883. C. A. White.
Formation: Cretaceous.
Location: Near Fort Union, on the Upper Missouri
river.
minutulus (M.&H.)White. (18§3.)
Third Ann. Bep. U. S. Geol. Sur., p. 59, pi. 26,
fig. 20. Wash., 1883. C. A. White.
Formation: Cretaceous.
Location: Fort Uuion beds.
Microstizia n. g. Meek. (1876.)
Bep. U.S.Geol. Sur. Terr., vol. 9, p.4. Wash.,
1876. F. B. Meek.
millepunctata n. a Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol.9,p.4,pi,28,figa. '
2o-c. Wash., 1876. F. B. Meek.
Formation: Cretaceous.
Location: Moreau river, Nobr.
Miliola. ? bursa Ehrenberg. (1854.)
Mikrogeologie, Taf. 32, fig. 1. Leipzig, 1854. 0.
G. Ehrenberg.
Formation: Cretaceous.
Location: Missouri region.