GEOLOGICAL SURVEY
GEOLOGICAL SURVEY
GEOLOGICAL SURVEY
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238 NORTH AMERICAN MESOZOIC INVERTEBRATA. [BULL. 102.<br />
Plagiostoma Continued.<br />
truncata n. 8. Trask. (1856.)<br />
Proc. Gal. Acad. Nat. Sci., vol. 1, 1st ed.,p. 86, pi.<br />
3, fig. 3. San Francisco, 1854-1857. J. B.<br />
Trask.<br />
Formation: Cretaceous.<br />
Location : San Pedro, Cal.<br />
sp. undet. Morton. (1830.)<br />
Am. Jour. Sci., 1st ser., vol. 18, p. 245.<br />
Haven, 1830. S. G. Morton.<br />
Formation: Cretaceous.<br />
New<br />
Planorbella (subgen. Hald.) Meek.<br />
(1876.)<br />
Rep. TJ. S. Geol. Sur. Terr.,vol.9,p.536. Wash.,<br />
1876. F. B. Meek.<br />
Planorbis (Miiller) M. & H. (1865.)<br />
Paleont. Up. Missouri, Smithson. Cont. Kuowl.,<br />
vol. 14, No. 172, pp. 106, 107. Wash., 1865.<br />
Meek & Hayden.<br />
(Mtiller typical) Meek. (1876.)<br />
Hep. U. S. Geol. Sur. Terr., vol. 9, p. 535. Wash.,<br />
1876. F. B. Meek.<br />
amplexus n. s. M. & H. (1857.)<br />
Proc. Acad. Nat. Sci., Phila., for 1857, pp. 135,<br />
136. Phila., 1858. Meek & Hayden.<br />
Formation : Cretaceous.<br />
Location: Mouth of Judith river, Nebr.<br />
convolutus n. s. M. & H. (1856.)<br />
Proc. Acad. Nat.Sci., Phila., vol. 8, forl856, p. 120.<br />
Phila., 1857. Meek & Haydeu.<br />
Formation: Tertiary [Cretaceous].<br />
Location: Little Horn river.<br />
convolutus (M. & H. ) Meek. (1876.)<br />
Rep. TJ. S. Geol. Sur. Terr., vol. 9, pp. 536, 537,<br />
pi. 42, figs. 12a, 6. Wash., 1876. F. B. Meek-<br />
Formation : Cretaceous.<br />
Location : Little Horn and Powder rivers, Mont.<br />
convolutus (M.&H.) White. (1883.)<br />
Twelfth Ann. Rep. U. S. Geol. and Geogr. Sur.<br />
Terr., pt. 1, p. 83. Wash., 1883. C. A. White.<br />
Formation: Cretaceous.<br />
Location : Upper Missouri river region.<br />
convolutus (M. &H.) White. (1883.)<br />
Third Ann. Rep. U. S. Geol. Sur., p. 41, pi. 27, fig.<br />
16. Wash., 1883. C. A. White.<br />
Formation : Cretaceous.<br />
Location : Upper Missouri river region.<br />
convolutus var. Meek. (1876.)<br />
Rep. U. S. Geol. Sur. Terr., vol. 9, p. 538, pi. 42,<br />
figs, lla-e. Wash., 1876. F. B. Meek.<br />
Formation: Cretaceous.<br />
Location : Little Horn and Powder rivers, Mont.<br />
fragilis n. s. M. & H. (1857.)<br />
Proc. Acad. Nat. Sci., Phila., for 1857, p. 136.<br />
Phila., 1858. Meek.& Hayden.<br />
Formation : Cretaceous.<br />
Location : Fort Berthold, on the Missouri river,<br />
Nebr.<br />
Planorbis Continued.<br />
paucivolvis n. e. Whiteaves. (1885.)<br />
Geol. and Nat. Hist. Sur. Can., Cont. Can. Paleont,,<br />
vol. 1, pt. 1, p. .71, pi. 10, fig. 5. Montreal,<br />
1885. J. F. Whiteaves.<br />
Formation: Cretaceous.<br />
Location : Belly river, near its junction with the<br />
Bow river; South Saskatchewan, six miles below<br />
the mouth of Bow river, Canada.<br />
subumbilicatus n. s. (M. & H.)<br />
(1856.)<br />
Proc. Acad. Nat. Sci., Phila,, vol. 8, for 1856, p.<br />
120. Phila., 1857. Meek & Hayden.<br />
Formation: Tertiary [Cretaceous],<br />
Location: Three miles below Fort Union.<br />
tenuivolvis n. s. M. & H. (1857.)<br />
Proc. Acad. Nat. Sci., Phila., for 1857, p. 135.<br />
Phila., 1858. Meek & Hayden.<br />
Formation: Cretaceous.<br />
Location: Mouth of Judith river, Nebr.<br />
veternus (M. & H.) (1865.)<br />
Paleont. Up. Missouri, Smithson. Cont. Kuowl.,<br />
vol. 14, No. 172, p. 107, pi. 4, figs. l,la, b. Wash.,<br />
1865. Meek & Hayden.<br />
Formation: Jurassic? [Jurassic].<br />
Location: Southwest base of the Black hills.<br />
veternus (M. & H.) Whiteaves.<br />
(1878.)<br />
Geol. Sur. Can., Rep. Prog., for 1876-1877, p. 156.<br />
Montreal, 1878. J. F. Whiteaves.<br />
Formation: Jurassic.<br />
'Location: Iltasyauco river, British Columbia.<br />
veternus (M. & H.) Whiteaves.<br />
(1878.)<br />
Canadian Naturalist, vol. 8, n. ser., No. 7, pp. 406,<br />
407. Montreal, 1878. J. F. Whiteaves.<br />
Formation: Jurassic.<br />
Location: Tltasyouco river.<br />
veternus (M. & H.) White. (1883.)<br />
Third Ann. Rep. U. S. Geol. Sur., p. 40, pi. 3, flg.<br />
6. Wash., 1883. C. A. White.<br />
Formation: Jurassic.<br />
Location: Vicinity of the Black hills.<br />
veternus (M. & H. ?) White. (1886.)<br />
Bull. U. S. Geol. Sur., No. 29, p. 21, pi. 4, figs. 20,<br />
21. Wash., 1886. C. A. White.<br />
Formation: Jurassic.<br />
Location: Eight miles north of Canyon city, Colo.<br />
(BathyomphalusJ amplexus (M. &<br />
H.)Meek. (1876.)<br />
Rep. U. S. Geol. Sur. Terr., vol. 9, p. 539, pi. 42,<br />
figs. 16