DABTOK.] 



NORTH AMERICAN GEOLOGY. 



863 



Siliman— Continued. 

 Appa lachi an — Continued. 



1822. Notices at Niagara Falls, Foot. 

 Highlands of New York and 



New Jersey, Pierce. 

 Section of Canaan Mountain, 



N. Y., Bames, D. H. 

 Some facts at Hudson, N. Y., 



Jentlns. 

 Survey of Rensselaer County, 



N. Y., Eaton. 

 Notes on the Catskills, Barton, 



D.W. 



1823. Hudson marble, Silliman, B. 

 Origin of certain salt springs, 



Eaton. 

 Saratoga County, N. Y., Steele. 

 Essay on salt. Van Rensselaer. 



1824. Survey of Erie Canal, Eaton. 

 Expedition to sources of St. 



Peters River, Keating. 

 Geology of Trenton PaUs, N. Y., 



Renwick, J. 

 Progress of geologic survey of 



Erie Canal, Eaton. 

 Western Massachusetts region, 



Dewey. 

 Van Rennselaer on salt, Perci- 



val. 

 Country near Easton, Pa., 



Finch, J. 

 An cram lead mine. New York, 



Lee, C. A. 

 Review of Conybeare and 



Phillips's geology of England 



and Wales, Am. Jour. Sci. 



1825. Snake Hill and Saratoga Lake 



region, Steele. 

 Oolitic formation in Saratoga, 

 N.Y., Steele. 



1826. Tertiary on border of Hudson 



River, Finch. 



1827. Well at Milton, Pa., Hepburn. 

 Borings for water, Disbrow. 



1828. Tabular view of North Amer- 



ican rocks, Eaton. 



Nomenclature of North Amer- 

 ican rocks, Eaton. 



Sketches of geology of Ala- 

 bama, Porter, W. S. 



1829. Argillito with anthracite coal, 



Eaton. 



Certain American rock forma- 

 tions, Vanuxem. 



High Rock Spring, Saratoga, 

 N. Y., Steele. 



Silnrian — Continued. 

 Appalachian — Continued. 



1830. Geological text-book, Eaton. 

 Coal formation of State of New 



York, Eaton. 



Dips in western New York, 

 Thomas, D. 



Features of south side of On- 

 tario Valley, Gebhard. 



Geologic prodromus, Eaton. 



Tufa at Chittenango, N. Y., San- 

 ford. 



1831. Salt formation of Salina, etc.. 



New York, Forman. 

 Mineralogy, geography, etc., 



Kew York, Finch. 

 Geologic features along the 



Hudson and west through 



New York, Eaton. 

 Ancient drainage and origin of 



Niagara Falls, Featherston- 



haugh. 

 Bedford and Berkeley Springs 



regions, Hayden, H. H. 

 Tour to caves of Virginia, Har- 

 lan. 

 Eaton on coal formations in 



New York, Thomas, D. 



1832. Great VaUey, Blue Ridge, Va., 



Featherstonhaugh. 



Natural tunnel in Scott County, 

 Va., Long. 



Mineralogy and geology of 

 Orange, N. Y., and Sussex, 

 N. J., Shepard. 



Geological equivalents, Eaton. 



Stratigraphic geology estab- 

 lished by organic remains, 

 Eaton. 



1834. Mineralogy of Jefferson and St. 



Lawrence counties, N. Y., 

 Crawe and Gray. 

 Country between Baltimore 

 and the Ohio, Aikin. 



1835. Ancient lake in MifiSin County, 



Pa., Taylor. E. C. 

 Report on elevated country 



between Missouri and Red 



rivers, Featherstonhaugh. 

 Geology and mineralogy of 



Schoharie, N. Y., Gebhard. 

 Portions of coal formations in 



Pennsylvania, Taylor, R. C. 

 Position of plant beds near 



Lewistown, Pa., Taylor, R. G. 



