38 



CATALOGUE AND INDEX OF 



[BULL. 127. 



Archean and Algoukian — Contmued. 



New York, Nbw Jersey, and Penn- 

 sylvania — Continued. 



1876. Structure of southeastemPenn- 



sylvania, Lesley, J. P. 



Serpentine limestone of north- 

 ern New York, Hall, J. 



Report on York and Adams 

 counties, Pa., Frazer. 



Cornwall iron mine and related 

 deposits. Hunt, T. S. 



History of explorations in 

 Pennsylyania, Lesley, J. P. 



Keport on limonite of Lehigh 

 County, Pa., Dana, J. D. 



1877. Hudson Eiver Pali8ades,Wurtz. 

 Report on York, Adams, Cum- 

 berland, and Franklin coun- 

 ties, Pa., Frazer, P. 



Map of Pennsylvania, Lesley, 

 J. P. 



Lithology of the Adirondacks, 

 Leeds. 



Geology of eastern Pennsyl- 

 vania, Hunt, T. S. 



Rocks near Philadelphia, Rand. 



History of crystalline stratified 

 rocks, Hunt, T. S. 



1878. Geology of Lake Champlain 



region. Hall, J. 



Catalogue of exhibit of survey 

 of New Jersey, Cook, G. H. 



Letter on report on trap and 

 Azoic of southeast Pennsyl- 

 vania, Lesley, J. P. 



Report of survey of New Jersey 

 for 1878, Cook, G. H. 



Hematites of Lehigh County, 

 Pa., Prime. 



Notes on lithology of the Adi- 

 rondacks, Leeds. 



Catalogue of rock specimens, 

 survey of Pennsylvania. 



Paleozoic of Lehigh and North- 

 ampton, Pa., Prime. 



Rocks of New York Island? 

 Martin, D. S. 



Geologic history of New York 

 Island, etc., Newberry. 



Dikes and Azoic of southeast 

 Pennsylvania, Hunt, T. S. 



1879. Stratigraphy of Quebec group 



and older crystallines, Sel- 

 wyn. 

 Macfarlane's Geological Rail- 

 road Guide, Hunt, T. S. 



Archeau and Algoukian — Continued. 

 New Yoek, New Jersey, and Penn- 

 sylvania — Continued. 



1879. Lake Superior copper rocks 



in Pennsylvania, Blandy, 

 Hunt, T. S. 



Macfarlane's Geological Rail- 

 road Guide of New York, 

 Macfarlane. 



Geology of South Mountain, 

 Pa., Frazer. 



Macfarlane's Geological Rail- 

 road Guide of New Jersey, 

 Smock. 



Iron ore of northern New York, 

 Hall, C. E. 



Second report of laboratory of 

 survey of Pennsylvania, Mc- 

 Creath. 



Report of geologist of New 

 Jersey for 1879, Cook, G. H. 



Macfarlane's Geological Rail- 

 road Guide, Pennsylvania, 

 Lesley, J. P. 



Lake Superior copper rocks 

 in Pennsylvania, Blandy, 

 Hunt, T. S. 



Serpentine and steatite in Dela- 

 ware County, Pa., Rand. 



1880. Limestone belts of Westchester 



County, N. Y., Dana, J. D. 

 Relations of crystallines of 



eastern Pennsylvania, Hall, 



C.E. 

 Fossils in Peach Bottom slates, 



Lesley, J. P ; Frazer. 

 Geology of Lancaster County, 



Pa., Frazer. 

 Report of State Geologist of 



New Jersey for 1880, Cook, 



G.H. 

 History of some pre-Cambrian 



rocks, Hunt, T. S. 



1881. Geology of PhUadelphia Coun- 



ty, Pa., Hall, C. E. ; Lesley, 

 J. P. 



Graphite of Chester County, 

 Pa., Frazer. 



Change of serpentine into 

 quartz. Rand. 



Serpentine of Delaware Coun- 

 ty, Pa., Rand. 



Analyses of minerals and rooks 

 from Bucks, Philadelphia, 

 and Montgomery counties, 

 Pa., Genth. 



