DARTON.] 



NORTH AMERICAN GEOLOGY. 



531 



Juratrias — Continued. 

 Massachusetts to North Carolina— 

 Continued. 



1822. Locality of sulphate of baryta, 



Connecticut, Percival. 



Dikes of Nortli Carolina, Beck- 

 with. 



Minerals of Paterson and 

 Sparta, N. J., Nuttall. 



Copper in Connecticut, Gilbert, 

 L.W. 



Useful minerals in North Caro- 

 lina, Olmstead. 



Volcanoes and volcanic sub- 

 stances. Cooper, T. 



Floetz trap of Connecticut and 

 Massachusetts, Porter, T. D. 



1823. Alluvial districts of New Jer- 



sey, Pierce. 

 Eegioua contiguous to Con- 

 necticut River, Hitchcock, E. 



1824. Review of Connybeare and 



Phelps's geology of England 



and Wales, Am. Jour. Sci. 

 Singular conglomerate and 



trap tuff, Hitchcock, E. 

 Report on geology of North 



Carolina, Olmstead. 



1825. Traps of Connewago Hills, etc.. 



Pa., Gibson, J. B. 



1826. Shell-marl region, etc., Pierce. 

 Chlorophceite at Turners Falls, 



Hitchcock, E. 

 New or variegated sandstone of 

 the United States, Finch. 



1827. Lead mines of Hampshire 



County, Mass., Nash. 

 Geology of North Carolina, 



Mitchell, E. ; Olmstead. 

 Borings for water, Disbrow. 



1828. Nomenclature of North Amer- 



ican rocks, Eaton. 



Country near West Chester, 

 Pa., Finch. 



Lecture on natural history of 

 New Jersey, Mitchell, S. L. 



Notices of minerals and geology 

 of Connecticut and Massa- 

 chusetts, Hitchcock. 



1829. Geology of gold region of North 



Carolina, Mitchell, E. 



1830. Geological text-book, Eaton. 

 Diluvial scratches and furrows, 



Thomas, D. 

 Igneous origin of some trap 

 rocks, Silliman. 



Juratrias — Continued. 

 Massachusetts to North Carolina — 

 Continued. 



1830. Secondary oolite in Bergen 



County, N. J., Eaton. 



1831. Geologic features along the 



Hudson and west through 

 New York, Eaton. 



1832. Geological survey of Massa- 



chusetts, economics, Hitch- 

 cock, E. 

 Water courses, alluvial and 

 other rocks of Connecticut 

 Valley, Smith, A. 



1834. Country between Baltimore 



and the Ohio, Aikin. 



Report of geologist of Mary- 

 land, Ducatel. 



Fossil fishes in Connecticut 

 sandstone, Mather. 



1835. Flemington copper ore, New 



Jersey, Clemson. 



Section through Richmond coal 

 field, Va., Taylor, R. C. 



Country between Fredericks- 

 burg and Winchester, Va., 

 Clemson. 



Junction of trap at Walling- 

 ford. Conn., Chapin, A. B. 



Footmarks of birds on red sand- 

 stones, Hitchcock, E. 



Review of sections of Virginia 

 and Maryland, Taylor, R. C. 



1836. Reconnaissance of Virginia, 



Rogers, W. B. 



Scientific expedition,Maine and 

 Nova Scotia, Emmons, E. 



First report of survey of New 

 Jersey, Rogers, H. D. 



Reconnaissance from Washing- 

 ton, through Wisconsin, to 

 Coteau de Prairie, Feather- 

 stonhaugh. 



1837. Physical geography of Mary- 



land, Ducatel. 



Geological survey of Connecti- 

 cut, Shepard. 



Report of survey of Virginia 

 for 1836, Rogers, W. B. 



Preface to Geology, by De La 

 Beche, Hitchcock, E. 



1838. Report of geologist of first dis- 



trict of New York, Mather. 



1839. Notes on American geology, 



Conrad. 



