40 



CATALOGUE AND INDEX OF 



[BULL. 127. 



Archean and Algonkian — Continued. 

 New YofiK, New Jbksey, and Penn- 

 sylvania — Continued. 



1884. Position of Philadelphia gneiss, 



Hitchcock, C. H. 

 Trap dikes of southeastern 



Pennsylvania, Frazer. 

 Phosphates in Alabama Creta- 

 ceous, Smith, E. A. 

 Serpentine in Chester County, 



Pa., Frazer. 

 Geology of Chester Valley and 



vicinity, Eand. 

 Structure of copper belt of 



South Mountain, Frazer. 

 Reply on geology of Chester 



County, Pa., Eand, Frazer 

 Origin of bedding in so-called 



metamorphic rooks, Dana, 



J. D. 

 Strengths of granite, Winchell, 



N. H. 

 Distribution of iron ores in 



eastern United States, Smock, 



J. C. 

 Cortlandt and Stony Point 



hornblendio and augite rock, 



Dana, J. D. 

 Paramorphosis of pyroxene to 



hornblende, Williams, 6. H. 

 Report of survey of New Jer- 

 sey for 1884, Cook, G. H. 

 Pennsylvania building stones, 



Lesley, J. P. 

 New Jersey building stones, 



Cook and Smock. 

 Remarks on Radnor Township, 



Pa., Frazer. 

 New York building stones, 



Cook and Smock. 



1885. Iron ores of northern New 



York, Hall,C.E. 

 Trap dike across southeast 



Pennsylvania, Lewis, H. C. 

 History of Taoonic question 



and relations of the rocks. 



Hunt, T. S. 

 Geology of Manhattan Island, 



Cozzens. 

 Town geology, the lesson of 



the Philadelphia rocks, Heil- 



prin. 

 Map of United States, McGee. 

 Archean of New Jersey, Brit- 

 ton, N. L. 



Archean and Algonkian— Continued. 

 New Yoeic, New Jersey, and Penn- 

 sylvania — Continued. 



1885. Geologic atlas of counties of 



Pennsylvania, Lesley, J. P. 

 Study of Eozoon canadense, 



Julien. 

 Progress of geology, 1883, 



Hunt, T. S. 

 Analyses : Delaware County, 



Pa., Genth. 

 Survey of Delaware County, 



Pa., Hall, C. E. 

 Report of geologist of New 



Jersey for 1885, Cook, G. H. 

 Studies of Archean of New Jer- 

 sey, Britton, N. L. 

 Iron mines of Putnam County, 



N. Y., "Wendt. 



1886. Lafayette serpentine belt, 



Rand. 



Review of report of State 

 geologist of New Jersey for 

 1885, Raymond. 



Field work in Archean of New 

 Jersey, Britton, N. L. 



Theories of ore deposits, Wads- 

 worth. 



Geology of Pennsylvania, 

 Rogers, H. D. 



American Trias, Newberry. 



Brandywine kaolin, Delaware 

 County, Pa., Ashburner. 



Samples of iron ore, Benton. 



Floor of Trias of New Jersey, 

 Britton, N. L. 



Notes on Staten Island, Brit- 

 ton, N. L. 



Schistose rocks in Adiron- 

 dacks, Britton, N. L. ; Ju- 

 lien. 



Montgomery County, Pa., Car- 

 ter. 



York Connty, Pa., Frazer. 



Delaware and Chester kaolin 

 deposits. Pa., Lesley, J. P. 



Examples of pressure fluxion, 

 Lewis, H. C. 



Tide-water gneisses, Martin, 

 D. S. 



Building stones of State of 

 New York, Hall, J. 



Dutchess, Putnam, and West- 

 chester counties, N. Y., 

 Smock. 



