868 



CATALOGUE AND INDEX OF 



[BUIX. 127. 



Silurian — Continued. 

 Appalachian — Continued. 



1872. Niagara, its history, geology, 



etc., Holley, G. W. 

 Green Mountain geology; on 



the quartzite, Dana, J. D. 

 Keport of survey of New Jersey 



for 1872, Cook, G. H. 

 What is true Taconio, Dawson, 



J. W. 

 On true Taconio, Dana, J. D. 



1873. Structure of Tazewell, Eus- 



sell and Wise counties, Va., 



Lesley, J. P. 

 Iron ores of South Mountain, 



Pa., Lesley, J. P. 

 Mines of Lehigh ZincCompany, 



Drinker. 

 St. Clairsville and Bedford 



Eailroadand Dunnings Creek 



fossil ore, Pennsylvania, 



Lesley, J. P. 

 Hematite in Morrison Cove, 



Pa., Lesley, J. P. 

 Structure and erosion of Brush 



Mountain, Pa., Lesley, J. P. 

 Geologic map of United States, 



Hitchcock, C. H. ; Hitchcock 



and Blake. 

 Iron ore of Bucks County, Pa., 



Lesley, J. P. ; Trego. 

 Fossils in lower Potsdam at 



Troy, N. Y., Ford. 



1874. Metamorphic Silurian rocks in 



North Carolina, Bradley. 

 Salina group, Newberry. 

 Niagara and lower Helderberg 



in United States and Canada, 



Hall, J. 

 Circles of deposition, New- 

 berry. 

 Breaks in Paleozoic series. 



Hunt, T. S. 

 Outline of resources of eastern 



Tennessee, Wilder, J. T. 

 Eeport of survey of New 



Jersey for 1874, Cook, G. H. 

 Position of Cincinnati group, 



Miller, S. A. 

 Alabama coal and iron, Eoth- 



well. 



1875. Silurian age of southern Appa- 



lachians, Bradley. 

 Primordial strata of Virginia, 

 Fontaine. 



Silurian — Continued. 

 Appalachian — Continued. 



1875. The ores of iron ; their distri- 



bution, Newton. 

 Primordial in Rensselaer 



County, N. Y., Ford. 

 Report of progress of survey of 



Georgia, Little. 

 Report of survey of Alabama 



for 1874, Smith, E. A. 

 Hematites of eastern United 



States, Hunt, T. S. 

 Guelph limestone of North 



America, Nicholson . 

 Geology of the Bine Ridge, 



Fontaine. 

 Geologic chart of the United 



States, Bradley. 

 Hematite deposits of the Great 



Valley, Prime. 

 Report of laboratory of survey 



of Pennsylvania, McCreath. 

 Section from Alleghany Moun- 

 tains to Brush Valley, Pa., 



Fagan and Young. 

 Report on iron ranges of Lehigh 



County, Pa., Prime. 



1876. Report on York and Adams 



counties. Pa., Frazer. 

 Second report on survey of 



Georgia, Little. 

 Hematite in Huntingdon and 



Center counties, Pa., Lesley, 



J. P. 

 Virginia geographical and po- 

 litical summary, Hotchkiss. 

 Lower Helderberg of Port Jer- 



vis, N. Y., Barrett. 

 Handbook of Georgia, Janes. 

 Glaciation along Kittatinny 



Mountain, Hall, C. E. 

 Geologic notes from New York, 



Lloyd, T. C. B. 

 Faults in middle Pennsylvania, 



Lesley, J. P. 

 Report of siirvey of Alabama, 



1875, Smith, E. A. 

 Coal and iron of Alabama, 



Gesner. 

 History of explorations in 



Pennsylvania, etc., Lesley, 



J. P. 

 Resources of West Virginia, 



Maury and Fontaine. 

 Summary of chemical analyses, 



Alabama, Smith, E. A, 



