738 



CATALOGUE AND INDEJC OF 



[BULL. 127. 



Pennsylvania — Continued. 



1885. Coal measures of Forest County, 



Ashburner. 



Pennsylvania before and after 

 elevation of the Appalachians, 

 Claypole. 



Marginal kames, Lewis, H. C. 



Pteraspidian fishes in Upper 

 Silurian, Claypole. 



Atlas, anthracite coal fields, Ash- 

 burner. 



Perry County, Claypole, Dewees, 

 Lesley, J. P. 



Pressure fluxion, Lewis, H. C. 



Oil drillings in McKean County, 

 Ashburner, Jones, N. P. 



Iron ore in Cameron County, Ash- 

 burner. 



Marginal kames, Lewis, H. C. 



Low Moor iron ores of Virginia, 

 Lyman. 



1886. Waverly group, Beecher. 

 Lafayette serpentine belt. Rand. 

 Clay at Grays Ferry road, Phila- 

 delphia, Heilprin, Koenig. 



Fire sand in Clinton County, N. 

 Y.j Brainerd. 



Classifi cation of Upper Devonian, 

 ■Williams, H. S. 



Orton's oil and gas report, Lesley, 

 J. P. 



Brandywine kaolin, Delaware 

 County, Ashburner. 



Report on oil and gas, Carll. 



Anticlinal theory of gas, Chance, 

 White, I. C. 



Mountain limestone in wells in 

 Washington County, Linn and 

 Linton. 



Product of oil in Pennsylvania, 

 Ashburner. 



Origin of Pottsville and other 

 conglomerates, Branner. 



Progress in anthracite coal re- 

 gion, Ashburner. 



Arohbald potholes, Ashburner. 



Bradford County, Chemung sec- 

 tion, Lilley. 



Chester and Delaware kaolin, 

 Lesley, J. P. 



Cornwall iron mines, Lesley, d'ln- 

 villiers. 



Glaoiation of Lackawanna Val- 

 ley, Branner. 



Thickness of ice of northeastern 

 Pennsylvania, Branner. 



Pennsylvania — Continued. 



1886. Iron ores, Putnam. 



Kaolin of Brandywine Summit, 

 Ashburner. 



Certain magnetites of eastern 

 Pennsylvania, Willis. 



Montgomery County, geology, 

 Carter. 



Borings for oil. Potter County, 

 Ashburner. 



Oriskany in Lycoming County 

 Woolmau. 



Resurvey of tsburg coal re- 

 gion, Lesley, J. P.,d'Invilliers. 

 . Pressure, quantity, etc., of gas, 

 Lesley, J. P. 



Railroad out at Grays Ferry road, 

 Smith, A. H. 



Report of State geologist, 1885, 

 Lesley, J. P. 



Tipton Run coal, Ashburner. 



Washington County, Mountain 

 limestone, Linn. 



Fire clay of Wellersburg coal ba- 

 sin, Lesley, Harden. 



Wyoming Buried Valley, Hill, 

 F. A. 



Wyoming Valley limestone, Ash- 

 burner. 

 . York County, geology, Frazer. 



1887. Distribution of gas, Ashburner. 

 Map of United States, Hitchcock, 



C.H. 



Pittsburg coal region, d'lnvil- 

 liers. 



Radnor Township, Delaware 

 County, Rand. 



Observations sur les plissements 

 des terrains pal^ozoiques, Mar- 

 gerie. 



Archbald pothole, Dana, J. D. 



Stratification and structure in 

 anthracite. Wasmuth. 



Bowlders at high altitudes along 

 rivers, White, I. C. 



Paint ore along Lehigh River, 

 Hill, F. A. 



Map of southwestern Pennsylva- 

 nia, d'Invilliers. 



Report on anthracite region. Hill, 

 F.A. 



Coal mining at Irwin, Hum- 

 phreys. 



Iron and limestone of Cumber- 

 land-Lebanon Valley, d'Invil- 

 liers. 



