GEOLOGICAL SURVEY
GEOLOGICAL SURVEY
GEOLOGICAL SURVEY
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116 NORTH AMERICAN MESOZOIC INVERTEBRATA. [BULL 102.<br />
Discina Continued.<br />
pileolus n. s. Whiteaves. (1889.)<br />
Geol. and Nat. Hist. Sur. Can., Cont. Can. Paleont.,vol.<br />
l,pt. 2, p,159, pi. 21, figs. 3,3a. Montreal,<br />
1889. J. F. Whiteaves.<br />
Formation: Cretaceous.<br />
Location: Rink Rapid, on the Lewes river, a<br />
tributary of the Yukon, lat. 60° 20,' long. 136°<br />
30', Northwest Territory.<br />
semipolita n. a. Whitoaves. (1884.)<br />
Geol. and Nat. Hist. Sur. Cau., Mes. Foss., vol. 1,<br />
pt. 3, pp. 352-354, pi. 33, figs. 9, 9a. Montreal,<br />
1884. J. F. Whiteaves.<br />
Formation: Cretaceous.<br />
Location: South side of Maud island.<br />
vancouverensis n. s. Whiteaves.<br />
(1879.)<br />
Gool. Sur. Can., Mes. Foss., vol. 1, pt. 2, p. 177,<br />
pi. 20. ttg. 6. Montreal, 1879. J. F. Whiteaves.<br />
Formation: Cretaceous.<br />
Location: Southeast of Ganges harbor, on Salt<br />
Spring or Admiralty island.<br />
sp. undet. Meek. (1877.)<br />
Rep. Geol. Expl. Fortieth Parallel, vol. 4, pt. 1,<br />
- pp. 99,100, pi. 10, figs. 3, 3a. Wash., 1877. F.<br />
B. Meek.<br />
Formation: Triassic.<br />
Location: Weber cation, Wasatch range.<br />
Discites (subgen. De Haan.) Meek. (1876.)<br />
Bep. U. S. Geol. Sur. Terr., vol. 9, p. 491. Wash.,<br />
1876. F. B. Meek.<br />
Discohelix (Duuker) Gabb. (1864.)<br />
Geol. Sur. Cal., Taleout., vol. 1, p. 119. Phila.,<br />
1864. W. M. Gabb.<br />
leana n. s. Gabb. (1864.)<br />
Geol. Sur. Cal.,Paleont., vol. 1, pp. 119, 120, pi.<br />
20, fig. 75. Phila., 1801. W. M. Gabb.<br />
Formation: Cretacecus.<br />
Location: Texas Flat, Placer county, California.<br />
Discoidea (Agas.) Conrad. (1850.)<br />
Jour. Acad.Nat. Sci., Phila., vol.'2, 2dser., 1850-<br />
1854, p. 40. Phila., 1850-1854. T. A. Conrad.<br />
occidentale n. s. Gabb. (1860.)<br />
Jour. Acad. Nat. Sci., Phila., vol. 4, 2d ser., 1858-<br />
1860, p. 398, pi. 68, flgs. 42-44. Phila., 1858-<br />
1860. Wm. M. Gabb.<br />
Formation: Cretaceous.<br />
Location: Oregon.<br />
occidentalis Gabb. (1876.)<br />
Proc. Acad. Nat. Sci., Phila., for 1876, pp. 323,<br />
324. Phila., 1876. Wm. M. Gabb.<br />
Formation: Cretaceous.<br />
Location: Oregon ? Or may be from Peru.<br />
Discorbina globularis (d'Orb.) Dawson.<br />
(1874.)<br />
Canadian Naturalist, vol. 7 n. ser., p. 255, fig. 1, c,<br />
p. 253. Montreal, 1875. G. M. Dawson.<br />
Formation: Cretaceous.<br />
Location: About twenty miles north of the fortyninth<br />
parallel, on the escarpment called Pembina<br />
mountain, Manitoba.<br />
Discoscaphites n. subgen. Meek. (1870.)<br />
Proc. Am. Philos. Soc., vol. 11, 1869-1870, p. 429.<br />
Phila., 1871. F. B. Meek.<br />
Ditaxia compressa (Goldf.) Credner.<br />
(1870.)<br />
Zeitsch. Deutsch. Geol. Ges., Baud 22, p. 220. Bar*<br />
lin, 1870.. H. Credner.<br />
Formation: Cretaceous.<br />
Location: Timber creek, New Jersey.<br />
Donax (Linn.) Gabb. (1869.)<br />
Geol. Sur. Cal., Paleont., vol. 2, p. 183. Phila.,<br />
1869. W. M. Gabb.<br />
fordii n. s. Conrad. (1869.)<br />
Am. Jour. Conch., vol. 6, Phila., 1869-1870,p. 102,<br />
pi. 9, fig. 25. Phila., 1870. T. A. Conrad.<br />
Formation: Cretaceous.<br />
Location: Haddonfield, N. J.<br />
fordii (Con.) Whitfield. (1885.)<br />
Mon. U. S. Geol. Sur., vol. 9, pp. 171, 172, pi. 23,<br />
fig. 1. Wash.,1885. R. P. Whitfield.<br />
Formation: Cretaceous.<br />
Location: Haddonfield, N. J.<br />
latus n. s. Gabb. (1869.)<br />
Geol. Sur. Cal.,Paleont., vol. 2, pp. 183,184, pi. 30,<br />
fig. 75. Phila., 1869. W.M.Gabb.<br />
Formation: Cretaceous.<br />
Location: Ten miles west of Griswold's, southeast<br />
of the Sheep Well, on the road from San Juan to<br />
Now Idria, Cal.<br />
Dosinia (Scopoli) Conrad. (1858.)<br />
Jour. Acad. Nat. Sci., Phila., vol. 3, 2d ser., 1855-<br />
1858, p. 325. Phila., 1855-1858. T. A. Conrad.<br />
alta n. s. Conrad. (1855.)<br />
Rep. Expl. aud Sur, R. R. R. Miss, river to Pacific<br />
Ocean. App. Prelim. Geol. Rep. of W. P. Blake.<br />
Pal., p. 9. Wash., 1855. T.A.Conrad.<br />
Formation: Eocene [Cretaceous],<br />
Location: Canada de las Uvas.<br />
alta Conrad. (1856.)<br />
Rep. Expl. and Sur. R. R. R. Miss, river to Pacific<br />
Ocean, vol. 5, App., p. 320, pi. 2, fig. 2. Wash.,<br />
1856. T. A. Conrad.<br />
Formation: Eocene [Cretaceous].<br />
Location: Canada de las Uvas.<br />
densata n. s. Conrad. (1858.)<br />
Jour. Acad. Nat. Sci., Phila., vol. 3, 2d sen, 1855-<br />
1858, p. 325, pi. 34, fig. 13. Phila., 1855-1858.<br />
T. A. Conrad.<br />
Formation: Cretaceous.<br />
Location: Owl creek, three miles north of the<br />
town of Hipley, Miss.<br />
depressa n. s. Conrad. (1860.)<br />
Jour. Acad. Nat. Sci., Phila., vol. 4, 2d ser., 1858-<br />
1860, p. 278, pi. 46, fig. 6. Phila., 1858-1860.<br />
T. A. Conrad.<br />
Formation: Cretaceous.<br />
Location: Eufaula, Ala.<br />
elevata n. s. Gabb. (1864.)<br />
Geol. Sur. Cal., Paleont, vol. 1, p. 167, pi. 30, fig.<br />
252. Phila., 1864. W. M. Gabb.<br />
Formation: Cretaceous.<br />
Location: Near Fort Tejon, Cal.