DASTON.] 



NOETH AMERICAN GEOLOGY. 



35 



Archean and Algonkian — Continued. 

 New York, New Jersey, and Penn- 

 sylvania — Continued. 

 1814. Geology and mineralogy of New 

 York Island, Akerly. 



1818. Index to geology of the North- 



em States, Eaton. 

 Carbonate of magnesia on 



Staten Island, Pierce. 

 Geology of the United States, 



Maclure. 



1819. Second report of laboratory of 



survey of Pennsylvania, Mc- 

 Creath. 



1820. Geology of the Hudson Elver, 



Akerly. 

 Secondary regions of New York 



and New Jersey, Pierce. 

 Tour between Hartford and 



Quebec, Silliman. 



1821. Notices of northeastern New 



York, Jessup. 

 Geology and paleontology of 

 Franklin, N. J., Vanuxem and 

 Keating. 



1822. Minerals of Paterson and 



Sparta, N. J., Nuttall. 

 Geology of the Highlands, New 



York, Eaton. 

 Geology of Highlands of New 



York and New Jersey, Pierce. 

 Survey of Eensselaer County, 



N. Y., Eaton. 

 Serpentine of Hoboken, N. J., 



Nuttall. 

 Survey of Erie Canal, Eaton. 

 Expedition to sources of St. 



Peters Eiver, Keating. 

 Country near Easton, Pa., 



Finch, J. 

 American lead mine, New York, 



Lee, C. A. 



1826. Geologic survey of Philadel- 



phia, Troost. 



1827. Borings for water, Disbrow. 



1828. Nomenclature of North Ameri- 



can rocks, Eaton. 

 Country near West Chester, 



Pa,, Finch. 

 Tabular view of American 



rocks, Eaton. 

 Serpentine on New York Island, 



Van Eensselaer. 



1829. Gneisses in Eastern United 



States, Maclure. 

 Gneisses and associates in east- 

 ern United States, Maclure. 



Archean and Algonkian — Continued. 

 New Yore, New Jersey, and Penn- 

 sylvania — Continued. 



1830. All primitive strata schistose, 



Eaton. 



Geologic prodromus, Eaton. 



Direction and extent of primi- 

 tive ranges, Eaton. 



Diluvial furrows and scratches, 

 Thomas, D. 



Geological text-book, Eaton. 



1831. Geologic features along the 



Hudson and west through 



New York, Eaton. 

 Singular impressions in marble, 



Pennsylvania, Browne, J. B. 

 Mineralogy and geology of St. 



Lawrence County, Finch. 



1832. Geology of the Highlands of 



New York, Mather. 

 Mineralogy and geology of 



Orange, N. Y., and Sussex, 



N. J., Shepard. 

 Geology of Philadelphia, 



Brown, P. A. 

 Eocks in vicinity of Philadel- 

 phia, Brown, P. A. 

 Geological equivalents, Eaton. 

 1834. Mineralogy of Jefferson and St. 



Lawrence counties, N. Y., 



Crawe and Gray. 

 Strontianite-bearing limestone, 



Bigsby. 



1836. First report of survey of New 



Jersey, Eogers, H. D. 



1837. First report on survey of third 



district of New York, Conrad. 

 Chemical department of New 



York survey. Beck. 

 First report on second district 



of New York, Emmons, E. 

 First report of survey of fourth 



district of New York, 



Vanuxem. 



1838. Second report of survey of 



third district of New York, 

 Vanuxem. 



Mountains in Essex County, 

 N. Y., Eedfield. 



Eeport of geologist of first dis- 

 trict of New York, Mather. 



Second report on survey of 

 Pennsylvania, Eogers, H. D. 



Eeport of geologist of second 

 district of New York, Em- 

 mons, E. 



