DAETON.] 



NORTH AMERICAN GEOLOGY. 



535 



Juratrias — Continued. 



MA8SACHU8BTTS TO NORTH CAROLINA— 



Continued. 



1871. Analysis of Triassio sand- 



stones, Schweitzer. 



Analysis of New Jersey sand- 

 stone, Schweitzer. 



New Haven region, Dana, J. D. 



Felsites of Palisade range, 

 Schweitzer. 



New Jersey sandstones not de- 

 rived from trap, Newberry. 



Hudson River Palisades, Wurtz. 



Relations of Palisade trap 

 sheet, Martin, D. S. 



Map of Massachusetts, Hitch- 

 cock, C. H. 



Earthquakes of New England, 

 by Brigham, Dana, J. D. 



Cave in eastern Pennsylvania, 

 Wheatley. 



1872. Triassio sandstone of Palisade 



range, Wurtz. 

 Causes of production of Cape 



Hatteras, Shaler. 

 Relation of syenite under 



Richmond coal. Perry. 

 Character of trap near New 



Haven Dana, J. D. 



1873. Some results of the earth's con- 



traction, Dana, J. D. 



Midlothian colliery of Virginia, 

 Heinrich, C. 



Post-Tertiary history of New 

 England, Perry. 



Titaniferous iron near Greens- 

 boro, N. C, Lesley, J. P. 



The Virgiaias, Hotchkiss. 



Geology of New Haven region, 

 Dana, J. D. 



Appendix to report of survey 

 of North Carolina, Kerr. 



Geologic map of United States, 

 Hitchcock and Blake, Hitch- 

 cock, C. H. 



1874. Trap rocks of the Connecticut 



Valley, Dana, E. S. 



Natural coke of Richmond, Va., 

 Stevens, R. P. 



On stratification of rooks. 

 Hunt, T. S. 



Weathering of trap in Pennsyl- 

 vania, Frazer. 



1875. Geologic chart of the United 



States, Bradley, F. H. 



Juratrias — Continued. 

 Massachusetts to North Carolina — 

 Continued. 



1875. Trias of York County, Pa., 



Frazer. 



Mesozoic of North Carolina, 

 Kerr. 



Trap rocks of Connecticut Val- 

 ley, Hawes. 



Report of survey of North Caro- 

 lina, Kerr. 



Notes on geology of Lehigh 

 County, etc.. Pa., Lesley, 

 J.P. 



Thin sections of traps, Frazer. 



Mesozoic sandstones of the At- 

 lantic States, Frazer. 



Structure of York Valley lime- 

 stones, Pennsylvania, Frazer. 



Eastern Virginia coal field, 

 Coryell. 



Thin sections of Paleozoic and 

 Mesozoic rocks of Pennsylva- 

 nia, Frazer. 



1876. History of explorations in Penn- 



sylvania, etc., Lesley, J. P. 



Cornwall iron mine and related 

 deposits. Hunt, T. S. 



Notes on Paleozoic limestone, 

 Frazer. 



Exfoliation of rocks near Get- 

 tysburg, Frazer. 



Virginia geographical andpolit- 

 ical summary, Hotchkiss. 



Notes on two traps, Frazer. 



Fish remains of Mesozoic shales, 

 Leidy. 



Report of geological survey of 

 North Carolina, Dana, J. D. 



Geologic chart of United States, 

 Bradley, F. H. 



Review of fossil flora of North 

 America, Lesquereux. 



Sections of traps, Frazer. 



Report on York and Adams 

 counties, Pa., Frazer. 



Trap of York and Adams coun- 

 ties. Pa., Frazer. 



1877. Report on York, Adams, Cum- 



berland, and Franklin coun- 

 ties. Pa., Frazer, P. 



Copper rooks of the Mesozoic 

 of Pennsylvania, Frazer. 



Position of New Red sandstone, 

 Fiazer. 



