36 



CATALOGUE AKD INDEX OF 



[BULL. 127. 



Archean and Algonkian — Continued. 

 New York, New Jersey, and Penn- 

 sylvania — Continued. 



1839. Third report of second district 



of New York, Emmons, E. 



Third report of first district of 

 New York, Mather. 



Report on chemistry of the sur- 

 rey of New York, Beck. 



Geology of New York County, 

 Gale. 



Third report on survey of Penn- 

 sylvania, Eogers, H. D. 



Geology of Orange County, N. 

 Y., Horton, W. 



1840. Report on minerals and chem- 



ical department. New York, 



Beck. 

 Fourth report on survey of 



Pennsylvania, Eogers, H. D. 

 Fourth report of geologist of 



first district of New York, 



Mather. 

 Description of geology of New 



Jersey, Eogers, H. D. 



1841. Fifth report of survey of first 



district of New York, Mather. 



Eeport on mineralogy of the 

 survey of New York, Beck, 

 L.C. 



Fifth report of survey of the 

 second district of New York, 

 Emmons, E. 



Fifth report on survey of Penn- 

 sylvania, Eogers, H. D. 



1842. Geology of third district of 



New York, Emmons, E. 



Topography, geology, and re- 

 source of New York, Emmons. 



Mineralogy of New York, Beck. 



Geology of New York, second 

 district, Emmons, E. 



1843. Superposition of rocks of Or- 



ange County, N. Y., Horton, 



Fourth report of survey of the 

 third district of New York, 

 Vanuxem. 



purvey of island of New York, 

 Gale. 



Geology of New York, first dis- 

 trict, Mather. 



Structure of Appalachians, ex- 

 emplifying laws of moun- 

 tains, Eogers. 



Arohean and Algonkian— Continued. 

 New York, New Jersey, and Penn- 

 sylvania— Continued. 



1843. Fourth report of survey of sec- 



ond district of New York, 

 Emmons, E., and Eogers. 



Geology of New York, first dis- 

 trict, Mather. 



Igneous action in State of New 

 York, Beck, L. C. 



1844. Views on igneous action, Beck, 



L.C. 

 Eeview of New York reports, 



Owen, D. D. 

 Influence of survey of New 



York, Hall, J. 



1845. Agricultural geology of north- 



ern New York, Emmons, E. 

 Zinc mines of Franklin, N. J., 

 Alger. 



1846. Agriculture of New York, Em- 



mons, E. 

 Observations on magnetic dip, 

 Locke. 



1847. Mining report. Winter ore, 



northern New York, Em- 

 mons, E. 



1848. Catalogue of geological speci- 



mens, New York, Hall, J. 



1850. Survey of county of Washing- 



ton, N. Y., Fitch. 



1851. Speoiments presented to New 



York Museum, Hough. 



1852. Survey of county of Essex, N. Y., 



Watson. 

 Condition of part of Franklin- 



ite vein, N. J.jFarrington. 

 Fault at Sterling, N. J., Far- 

 rington. 



1853. Wheatley, Brookdale, and 



Charleston mines, Chester 

 County, Pa., Rogers, H. D. 



1854. On nature of limestone with 



franklinite, Jackson, C. T. 

 Some crystalline limestones of 

 North America, Hunt, T. S. 



1855. Ueber die Geologie von Nord 



Amerika, Marcou, J. 

 EaquissegSologique du Canada, 



Logan and Hunt. 

 Remarks on Sussex County, 



N. J., Kitchen, W. 



1856. Notes on Berks County, Pa., 



Bertlet. 



