DABTON.] 



NORTH AMERICAN GEOLOGY. 



37 



Arcbean and Algonkian— Continued. 

 New York, New Jersey, and Penx- 

 SYLVANIA — Continued. 



1856. Eeport on nortliemNew Jersey, 



Kitchen. 

 Structure of Philadelphia 

 County, Pa., Jewell. 



1857. Geology of Chester County, 



Pa., Hartman. 

 Iron ores of Canada, Billings. 



1858. Geology . and geography of 



North America, Eogers, H. D. 

 Geology of North America, 

 Marcou, J. 



1859. Metamorphics of Atlantic Slope, 



Eogers, H. D. 



1861. Specular ore, Phillipsbnrg, N. 



J., Jackson, C. T. 

 Age of white limestone of New 



Jersey, Cook, G. H. 

 Guide to geology of New York, 



Linklaen. 



1862. Structure of limestone on the 



Brandywine, Pennsylvania, 

 Lesley, J. P. 

 Survey of county of Orange^ 

 N. Y., Denniston. 



1864. Geology of eastern New York, 



Hall and Logan. 



1865. Neighborhood of EosBie,N. Y., 



Macfarlane. 

 History of Delaware County, 



Pa., Smith, G. 

 Age of New Jersey Highlands 



by Eogers, Seeley, T. P. 

 History of Eozoon canadense. 



Am. Jour. Soi. 

 Skizze der Umgegend von Neu- 



York, Credner, H. 

 Eeport of survey of New Jersey 



for 1864, Cook, G. H. 



1866. Map of Canada and part of 



United States, Logan and 

 Hall. 



1867. Historyof geology of New York 



Island, Stevens. 



1868. Geology of New Jersey, Cook, 



G.H. 

 Eozoischen Formationsgriippe 



Nord Amerikas, Credner. 

 Occurrences of irou in masses, 



Whittlesey. 

 Lanrentian limestones aud 



their mineralogy. Hunt, T. S. 



Arcbean and Algonkian — Continued. 

 New York, New Jersey, and Penn- 

 sylvania — Continued. 



1870. Recent progress in geology, 



HaU, J. 



Bowlders in gneiss near Phila- 

 delphia, Leeds, A. R. 



Norite or labradorite rock. 

 Hunt, T, S. 



1871. Schists and limestone of New 



York Island, Martin, D. S. 

 Pennsylvania's foundation 



stones, Leeds. 

 Geognosy of Appalachians, 



Hunt,T. S. 



1872. Corundum mine, Chester Coun- 



ty, Pa., Leidy. 

 Origin of eozoonal limestone 



near Chelmsford, Perry. 

 Eeport of survey of New Jersey 



for 1871, Cook, G. H. 

 Report of survey of New .Jersey 



for 1872, Cook, G. H. 

 Notes on granitic rocks. Hunt, 



T.S. 

 Certain rocks in St. Lawrence 



County, N. Y., older than 



Potsdam, Brooks. 



1873. Position of iron ores of north- 



em New York, Hunt, T. S. 

 Hematites of eastern United 



States, Hunt, T. S. 

 Notes in Lehigh County, etc., 



Lesley, J. P. 

 Iron ores of South Mountain 



Pa., Lesley, J. P. 

 Report of survey of New Jersey 



for 1873, Cook, G. H. 

 Magnetites of St. Lawrence 



County, N. Y., Silliman. 



1874. Serpentine pseudomorphs from 



Tilly Foster mine, Dana, J. D. 

 Eeportof survey of New Jersey 



for 1874, Cook, G. H. 

 Serpentines of eastern United 



States, Martin, D. S. 

 Magnetites of New Jersey, 



Smock, Hunt, T.S. ; Blake. 



1875. Musconetcong tunnel, New Jer- 



sey, Drinker. 

 Hydrogeology, Prazer. 

 Earthquake of 1874, Martin, 



D.S. 

 Geologic chart of the United 



States, Bradley, F. H. 



