GEOLOGICAL SURVEY

NORTH AMERICAN MESOZOIC INVERTEBRATA. [jtULL. 102.
Acroloxus C oil t i n ued.
minutus (M. & H.) Meek. (1876.)
Eep. U. S. Geol. Sur. Terr., vol. 9, pp. 543-544,
pi. 4.0, fig. 10. Wash., 1876. F. B. Meek.
Formation : Probably lower Eocene (Cretaceous).
Location : Three miles below Fort Union.
minutus (M. & H.) White. (1883.)
Twelfth Ann. Hep. U. S. Geol. and Geogr. Sur.
Terr., pt. 1, p. 83. Wash., 1883. 0. A. White.
Formation : Cretaceous.
Location : Near Fort Union, in the upper Missouri
river region.
minutus (M. &H.) White. (1883.)
Third Ann. Rep. U. S. Geol. Sur., p. 45, pi. 24,
fig. 27. Wash., 1883. C. A. White.
Formation: Cretaceous.
Location: N.ear Fort Union..
minutus (M. & H.) Whiteaves.
(1885.)
Geol. and Nat. Hist. Sur. Can.; Cont. Can.
Paleont., vol. 1, pt. 1, p. 17. Montreal, 1.885.
J. F. Whiteaves.
Formation : Cretaceous.
Location : North or Second branch of the Milk
river'; Gooseberry canyon, St. Mary river, and
Old Man river, two milos above Bye Grass flat;
Pincher creek, Canada.
radiatulus n. s. Whiteaves. (1885.)
Geol. and Nat. Hist. Sur. Can.; Cont. Can. Paleout.,
vol. 1, pt. 1, p. 17, pi. 3, figs. 1, la. Montreal,
1885. J. F. Whiteaves.
Formation : Cretaceous.
Location : Mouth of Blind Man river, township
39, raugo 27, west of 4th principal meridian,
Canada.
Acrosmilia (sub', gen. d'Orb.) Gabb.
(1864.)
Geol. Sur. Gal. Paleont., vol. 1, p. 207. Phila.,
1864.' W. M.Gabb.
Actaeon (Mont.) Conrad. (1860.)
Jour. Acad. Nat. 'Sci., Phila., vol. 4, 2d ser.,
1858-1860, p. 207. Phila., 1858-1860. T. A.
Conrad.
attenuatus ( M . & H . ) Meek.
(1876.)
Kep. U. S. Geol. Sur. Terr., vol. 9, pp. 281-282,
pi. 19, figs. 17, a, 6. Wash., 1876. F. B. Meek.
Formation: Cretaceous.
Location: Yellovvstone river, 150 miles from its
mouth.
attenuatus (M. & H.). Whiteaves.
(1885.)
Geol. and Nat. Hist. Sur., Can.; Cont. Can. Paleont,
vol. 1, pt. 1, p. 46. Montreal, 1885. J. F.
Whiteaves.
Formation: Cretaceous.
Location : Old Wives creek, township 10, range
11 west of 3d principal meridian, Canada.
concinnus 11. s. H. & M. (1854.)
Mem. Am. Acad. Arts and Sci., vol. 5, u. s., p. 390,
pi. 3, figs. ia-d. Cambridge and Boston, 1855.
Hall & Meek.
Formation : Cretaceous.
Location : Sage creels; Great Bend of the Missouri.
Actgeoii Continued.
cretacea n. s. Gabb. (1861.)
Proc. Acad. Nat. Sci., Phila., for 1861, pp. 318-319.
Phila., 1862. AVm. M. Gabb.
Formation : Cretaceous.
Location : Crosswicks, New Jersey.
impressus n. s. Gabb. (1864.)
Geol. Sur. Cal. Paleont., vol. 1, pp. 142-143, pi.
21, fig. 106. Phila., 1864. W. M. Gabb.
Formation: Cretaceous.
Location : North fork of Cottonwood creek, Cal.
inornatus n. s. White. (1889.)
Bull. U. S. Geol. Sur. No. 51, pp. 15-16, pi. 4,
ligs. 16-18. Wash., 1889. C. A. White.
Formation : Cretaceous,
location : Near Pence's ranch, Butte county, Cal.
intercalaris n. s. Meek. (1876.)
Rep. Expl. Exped. Santa Fe, New Mexico, to
junction of Grand and Green rivers, Macomb,
p. 129, pi. 2. figs,4