GEOLOGICAL SURVEY

BOYLE.] NORTH AMERICAN MESOZOIC INVERTEBRATA. 177
Mactra Con tinu ed.
Cymbophora g r a c ili s (M. & H.)
Whiteaves. (1885.)
Geol. and Nat. Hist. Sur. Can., Cent. Can. Palcont,
vol. 1, pt. 1, p. 79. Montreal, 1885. J. F.
Whiteaves.
Formation: Cretaceous.
Location: Milk river, at the mouth of Pa-Kow-
Ki coulee, Canada.
(Cymbophora ?) nitidula (M. & H.)
Meek. (1876.)
Rep. U. S. Geol. Sur. Terr., vol. 9, pp. 211, 212,
pi. 30, figs. Ga-c. Wash., 1876. F. B. Meek.
Formation: Cretaceous.
Location: Deor creok, near the north branch of
Platto river.
(Cymbophora?) siouxensis (M. &
H.)Meek. (1876.)
Bep. U. S. Geol. Sur. Terr., vol. 9, p. 206, pi. 1,
figs. 7a-c. Wash., 1876.- F. B. Meek.
Formation: Cretaceous.
Location: On Big Sioux river two miles above its
mouth.
(Cymbophora) ? utahensis n. s.
Meek. (1877.)
Bep. Gool. Expl. Fortieth Parallel, vol. 4, pt. 1, pp.
155, 150, pi. 15, figs. 9a, b. Wash.. 1877. F. B.
Meek.
Formation: Cretaceous. °
Locution: East canyon creek, Wasatch range,
and near Coalville, Utah.
(Cymbophora?) warrenana (M. &
H.) Meek. (1876.)
Hep. U. S. Geol. Sur. Terr., vol. 9, p. 208, pi. 30,
figs. la-d. Wash., 1876. F. B. Meek.
Formation: Cretaceous.
Location: Moreau river and Long lake, Dak.,
near Greeley, Co'.o.
CCymbophora) warrenana (M. &
H.) White. (1878.)
Eleventh Ann. Kep. U. S. Geol. and Gnogr. Sur.
Terr., p. 184. Wash., 1879. C. A. White. '
Formation: Cretaceous.
Location : Mouth of Saint Trains creek and near
Aaron Baton's farm in the valley of the Cache
a la Paudre ; also at Fossil ridge, Colo.
(Cymbophora) warrenana (M. &
H.) White. (1879.)
Eleventh Ann. Kep. U. S. Geol. and Geogr. Sur.
Terr., p. 229. Wash., 1879. C. A. White.
Formation: Cretaceous.
Location: Dodd's ranch on Ashley's fork, Utah.
(Cymbophora ?) warrenana (M. &
H.) Whiteaves. (1879.)
Geol. Sur. Can. Mes. Foss., vol. 1, pt. 2, pp. 142,
143, pi. 17, fig. 9 ; pi. 19, figs. 3, 3a. Montreal'
1879. J. F. Whiteaves.
Formation: Cretaceous.
Location: Northwest side of Hornby island;
Gabriola island; Blunden point, Vancouver
island; Protection and Sucia islands; Newcastle
island ; two miles and a half up the
Nanaimo river, Vancouver island.
BULL. 102 12
Mactra Continued.
(Cymbophora) warrenana (M. &
H.) Whiteaves. (1885.)
Geol. and Nat. Hist. Sur. Can., Cont. Can. Paleont,
vol. 1, pt. 1, p. 43. Montreal, 1885. J. F.
Whiteavcs.
Formation: Cretaceous.
Location: South Saskatchewan, five miles above
Swift Current creek; Ross coulee, near Irviuo
station, on the Canadian Pacific railway, Canada.
(Trigonella ?) arenaria n. s. Meek.
(1877.)
Rep. Geol. Expl. Fortieth Parallel, vol. 4, pt. 1,
pp. 154, 155, pi. 14, fig. 5. Wash., 1877. F. B.
Meek.
Formation: Cretaceous.
Location: On Red creek, Uinta mountains; and
on Chalk creek, Utah.
sp. undet. Whiteaves. (1874.)
Geol. Sur. Can., Rep. Prog., for 1873-1874," p. 263.
Montreal, 1874. J. F. Whiteaves.
Formation: Cretaceous.
Location : Nanaimo river, Vancouver island, two
and a quarter and two and a half miles up.
(?) sp. undet. Whiteaves. (1874.)
Geol. Sur. Can., Rep. Prog., for 1873-1874, p. 264.
Montreal, 1874. J. F. Whiteaves.
Formation : Cretaceous.
Location : Protection island.
sp. undet. Whiteaves. (1874.)
Geol. Sur. Can., Rep. Prog., for 1873-1874, p. 205.
Montreal, 1874. J. F. Whiteaves.
Formation: Cretaceous.
Location: Gabriola island.
Margarita (Leach) Meek. (1876 )
Rep. U. S. Geol. Sur. Terr., vol. 9, p. 298. Wash.,
1876. F. B. Meek.
mudgeana Meek. (1876.)
Rep. U. S. Geol. Sur. Terr., vol. 9, p. 300, pi. 2, figs.
9o, b. Wash., 1876. F. B. Meek.
Formation : Cretaceous.
Location : Twelve miles southwest of Salina,Kan.
iiebras c en sis (M. & H.) Meek.
(1876.)
Rep. U. S. Geol. Sur. Terr., vol. 9, pp. 298,299, pi.
19, figs. 8a, 6, and 9o, b. Wash., 1876. F. J5.
Meek.
Formation: Cretaceous.
Location: Yellowstone river, one hundred and
fifty miles from its mouth, Long Lake.
nebrascensis (M. &H.) Whitfield.
(1880.)
Rep. Geol. Black Hills of Dak., p. 432, pi. 12,
fig. 15. AVash., 1880. R. P. Whitfield.
Formation: Cretaceous.
Location : On the Yellowstone river, one hundred
and fifty miles above its mouth.
ornatissima (Gabb sp.) Whiteaves.
(1879.)
Geol. Sur. Can. Mes. FOBS., vol. 1, pt. 2, p. 128.
Montreal, 1879. J. F. Whitoaves.
.Formation: Cretaceous.
Location : Northwest side of Hornby island; Sucia
islands.