Report of the United States Geological Survey of the territories . has a wide geo-graphical range in this country; hut no form figured fromforeign localities seems to belong properly to it. It iscommon in New Jersey, Alabama, and at numerous locali-ties in the Upper Missouri country*. Among the lattermav he mentioned the Great Bend of the Missouri belowFort Pierre, near the base of the Fort Pierre group; also,in the upper beds of the same on Sage Creek and Chey-Baculites omtus, var. c,m)e River ani. Section show- all in Dakota. It likewise occurs along the Missouri, lug its round-ovate between


Report of the United States Geological Survey of the territories . has a wide geo-graphical range in this country; hut no form figured fromforeign localities seems to belong properly to it. It iscommon in New Jersey, Alabama, and at numerous locali-ties in the Upper Missouri country*. Among the lattermav he mentioned the Great Bend of the Missouri belowFort Pierre, near the base of the Fort Pierre group; also,in the upper beds of the same on Sage Creek and Chey-Baculites omtus, var. c,m)e River ani. Section show- all in Dakota. It likewise occurs along the Missouri, lug its round-ovate between Fort Benton and Fort Union, and on the 52. A side-view of stone River, in Montana, as well as at many localities >Ihii. Pai along the eastern base of the Rocky Mountains and else- where in Colorado. It ranges all through the Fort Pierre group, and upinto the Fox Hills beds of the Upper Missouri Cretaceous series. ? Says type specimens coins from Monmouth County,New 398 UNITED STATES GEOLOGICAL SURVEY OF THE TERRITORIES. B :i c n B i t e s grandis, H. & M. Plate 3:!, figs. 1, a, h, c, ami annexed ruts. BaculUen grandis, Hall and Meek (1854), Mem. Am. Acad. Arts and Sci. Boston, V (n. a.), 402, pi. vii, and -2: pi. viii, figs. 1 and -2; and pi. vi. fig. 10.—Gabb (18(11), Synop. Moll. —Meek (1864), Smithsonian Check-List N. Am. Cret. Fossils, 23. The form represented by the figures on our plate 33 is only known bythe specimen there figured, and is merely referred very doubtfully to l\ it belongs to that species or variety at all, it of course musteither be a part of a small specimen, or a fragment from below the undu-lated part of a large one. It presents an ovate section, with a convexityequaling about two-thirds its greater diameter. It is not quite so obtuse onthe siphonal side, nor so flattened on the antisiplional surface, as the corre-sponding part of the septate portion of the typical B. grandis. Like


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Keywords: ., bookcentury1800, bookdecade1870, bookpublisherwashi, bookyear1876