EABTON.] 



NORTH AMERICAN GEOLOGY. 



399 



Genth, F. A.— Continued. 



Contributions to Mineralogy. On a 



new occurrence of corundum in Patrick 

 County, Va. 



Am. Jour. Sci, 3d series, vol. 39, pp. 47-49, 

 1890. 



Geologic Philosophy. 



Chbmic Geology (excepting metamor- 

 phism and rock decay). 

 1821. Geology and paleontology of 

 Franklin, N. J., Vanuxem 

 and Keating. 

 1823. Essay on salt, Van Rensselaer. 

 1827. Abstraction of nitrogen from 

 the atmosphere, Vanuxem. 

 Lead mines of Hampshire 



County, Mass., Nash. 

 Gold mines of North Carolina, 

 Eothe. 



1831. Remarks relating to Mexico, 



Maclure. 



1832. On mineral veins, Featherston- 



haugh. 



1835. Science and position of min- 



ing, Dickson, J. 



1836. Review of report hy Feather- 



stonhaugh, P. 

 Bituminous coal deposits of the 

 valley of the Ohio, Hildreth. 



1837. Geological survey of Connec- 



ticut, Shepard. 



1838. Origin of veins, Fox. 



1840. Fourth report of survey of the 



second district of New York, 

 Emmons. 

 Fourth report of survey of the 

 third district of New Yorls:, 

 Vanuxem. 



1841. Final report on Massachusetts, 



Hitchcock, E. 



1842. Elements of geology and out- 



line of geology of North 

 Carolina, Mitchell, E. 

 Geology of New York, second 

 district, Emmons, E. 



1843. Origin of limestones and coral 



rocks, Jackson, C. T. 

 Tin veins of Jackson, N. H., 

 Jackson, C. T. 



1844. Chrome and meerschaum of 



Asia Minor, Smith, J. L. 

 Final report on New Hamp- 

 shire, Jackson, C. T. 



1845. Zinc mines of Franklin, N. J., 



Alger. 



Geologic Philosophy — Continued. 

 Chbmic Geology (excepting metamor- 

 phism and rook decay) — Continued. 



1845. Copper mines of Lake Supe- 



rior, Ruggles, T>. 

 Origin of minerals of trappean 

 rocks, Dana, J. D. 



1846. Reports on south shore of Lake 



Superior, Houghton and 

 Bristol. 



1848. Gpysum of Nova Scotia, Daw- 



son, J. W. 

 Phenomena on south shore of 



Lake Superior, Rogers, H. D. 

 Geology of South Carolina, 



Tuomey. 



1849. Coloring matter of red sand- 



stones, etc., Dawson, J. W. 

 Mineral lauds in Michigan, 



Jackson, C.T. 

 Acid springs and gypsum of 



Onondaga salt group. Hunt, 



T. S. 



1850. Geology of copper lands of 



Lake Superior, Foster and 



Whitney. 

 Structure of Keweenaw Point, 



Jackson, C. T. 

 Lake Superior, Agassiz, L. 

 G^ologie du district m^tallif fere 



du lac Sup^rieur, Jackson, 



C.T. 

 Memoir on Emery, Smith, J. L. 



1851. Origin of greensand of New 



Jersey, Rogers, H. D, 

 Origin of salt lakes, Rogers, 



H.D. 

 Connection of salt deposits and 



climate, Rogers, H. D. 



1852. Modern calcareous rock forma- 



tions, Dana, J. D. 



Solidification of Florida reefs 

 and sources of lime in coral 

 growth, Hosford. 



Geology of emery and corun- 

 dum, Smith, J. L. 



1853. Consolidation of coral forma- 



tions, Dana, J. D. 



1854. Report on survey of Wisconsin, 



Daniels. 

 Solidification of coral reefs of 



Florida aiid source of lime, 



Hosford. 

 On decomposition of rocks, 



etc., Calvert. 



