Report of the exploring expedition to the Rocky Mountains in the year 1842 : and to Oregon and north California in the years 1843-44 (1845)
Frémont, John Charles, 1813-1890, Torrey, John, 1796-1873, Hall, James, 1811-1898, United States. Army. Corps of Engineers · Washington : Blair and Rives, Printers · leaf 354
whorlcrowned with a row of short spines. Locality, same as the preceding. 19. Natica (?) occidentalis. PL 3, figs. 8, 8 a. (Nos. 16 and 21 ofcollection.) Description.—Depressed, conical, or sub-globose ; spire short, consistingof about five whorls, the last one comprising the greater part of the…
