TRUBNER & CO., 60 , PATERNOSTER ROW. 
47 
the present Geographical, Hydrographical, and Geological Structures, 
observed on the Earth’s Grnst, were the Result of .Forces acting according 
to Fixed Demonstrable Laws, Analogous to those governing the Development 
of Organic Bodies, by Richard Owen, D.D., Professor of Geology and 
Chemistry in the University of Nashville. Illustrated with Maps and Dia¬ 
grams. 8vo, pp. 262. Nashville, 1857. cloth. 12s. 
Owen.—Report of a Geological Exploration of Part of Iowa, Wisconsin, and 
Illinois, made under Instructions from the Secretary of the Treasury of 
the United States, in the Autumn of the year 1839, by David Dale Owen, 
M.D. With Charts and Illustrations. 8vo. Washington, 1849. sewed. 5s. 
Owen.—Report of a Geological Survey of Wisconsin, Iowa, Minnesota, and 
incidentally of the Nebraska Territory; made under instructions from the 
United States’ Treasury Department, by Robert Dale Owen, United States’ 
Geologist. With 45 Woodcuts, 3 Geological Maps, 20 steel Plates of 
Organic Remains, and numerous Plates of Sections. 1 vol. royal 4to. 
Philadelphia, 1852. £3 
Phelps.—Geology, by Mrs. A. H. L. Phelps. 8vo. New York. Is. 6d. 
Rambles in the Mammoth Cave, during the year 1844, by a Yisitor. With 
Plan and Plates. 8vo. Louisville, 1846. 6s. 
Reports of the First, Second, and Third Meetings of the Association of 
American Geologists and Naturalists at Philadelphia, in 1840 and 1841, and 
at Boston in 1842, embracing its Proceedings and Transactions. With 21 
Plates, royal 8vo, pp. viii. and 544. Boston, 1843. £1 4s. 
Roberts and Strong*.—Geological Report on the Dauphin and Susquehanna 
Coal Company’s Mineral Lands in Dauphin and Lebanon Counties, Penn¬ 
sylvania, by W. F. Roberts and Henry K. Strong. 8vo. New York, 1851. 
Robinson.—A Catalogue of American Minerals, with their Localities, in¬ 
cluding all which are known to exist in the United States and British Pro¬ 
vinces, &c. &c., with an Appendix containing additional Localities and a 
Tabular Yiew, by Samuel Robinson, M.D. 8vo, pp. 316. Boston, 1825. 
Rogers.-—First Annual Report of the (Pennsylvania) State Geologist, by 
Henry D. Rogers. 8vo. Harrisburg, 1836. 
Rogers.—Second Annual Report on the Geological Exploration of Penn¬ 
sylvania, by H. D. Rogers. 8vo. Harrisburg, 1838. 
Rogers.—Third Annual Report of the Geological Survey of the State of 
Pennsylvania, by H. D. Rogers, State Geologist. 8vo. Harrisburg, 1839. 
Rogers.—Fourth Annual Report on the Geological Survey of the State of 
Pennsylvania, by H. D. Rogers, State Geologist. 8vo. Harrisburg, 1840. 
Rogers.—Fifth Annual Report of the Geological Survey of Pennsylvania, by 
H. D. Rogers. 8vo. Harrisburg, 1841. 
Rogers.—Report on the Geological Survey of the State of New Jersey, by 
Henry D. Rogers. 8vo. Philadelphia, 1836. 
Rogers.—Final Report on the Geology of New Jersey, by Henry D. Rogers. 
8vo. Philadelphia, 1840. 
Rogers.—Report on the Geological Survey of Yirginia, for 1838, by W. B. 
Rogers. 4to. Richmond, 1839. 
Rogers.—Report on the Geological Survey of Yirginia, for 1839, 1840, by 
W. B. Rogers. 8vo. Richmond, 1841. 
Safford.—A Geological Reconnoissance of the State of Tennessee; being the 
Author’s first Biennial Report. Presented to the thirty-first General As¬ 
sembly of Tennessee, December, 1855, by James M. Safford, A.M. With 
Map. 8vo, pp. 164. Nashville, Tenn., 1856. cloth. 12s. 
St. John.—Elements of Geology, for the Use of Students, by Samuel St. John. 
8vo. New York, 1851. 
Shepard.—Report on the Geological Survey of Connecticut, by C. U. Shepard. 
8vo. New Haven, 1837. 
Shepard.—A Treatise on Mineralogy, by Charles Upham Shepard, M.D. 
3rd edition, with 725 Illustrations. 8vo, pp. x. and 452. New Haven, 1857. 
