DAETON.] 



NORTH AMEEICAN GEOLOGY. 



879 



Silurian — Continued. 

 New England— Continued. 



1873. Taconio slates of Hudson River 



age, Dana, J.D. 

 Survey of New Hampshire, 1872, 



Hitchcock, C. H. 

 Geologic map of United States, 



Hitchcock, C. H. ; Hitchcock 



and Blake. 

 On staurolite and Silurian age 



of Green Mountain gneisses, 



Dana, J. D. 



1874. Quartzites of Williamstown vi- 



cinity, Tenney. 



Niagara and Lower Helderberg 

 in United States and Canada, 

 Hall, J. 



North wes tern Maine, Hitchcock 

 and Huntington. 



Helderberg rocks of New Hamp- 

 shire, Hitchcock, C. H. 



Physical history of New Hamp- 

 shire, Hitchcock, C. H. 



Geologic chart of the United 

 States, Bradley, F. H. 



1875. Explication de la carte de la 



Terre, Marcou, J. 



1876. Greenstones of New Hampshire 



and their organic remains, 

 Hawes. 



Report of geologic map of Mas- 

 sachusetts by Crosby, Dana, 

 J.D. 



Metadiabase from Connecticut 

 Lake, Dawson, J. W. 



Geologic chart of United States, 

 Bradley, P. H. 



Limonite of Lehigh County, 

 Pa., Dana, J. D. 



On geologic map of Massachu- 

 setts, Crosby. 



1877. Cambrian and Silurian of west- 



ern Yermont, Hitchcock, C.H. 

 Relations of geology of New 



Hampshire, Hitchcock, C. H. 

 Helderberg of Bernardston and 



Vermont, Dana, J. D. 

 Relation of geology of Vermont 



to that of Berkshire, Dana, 



J.D. 

 Connecticut Valley Helderberg, 



Hitchcock, C. H. 

 Geology of New Hampshire by 



C H. Hitchcock, Dana, J. D. 

 Map of New Hampshire and 



Vermont, Hitchcock, C. H. 



Silurian — Continued. 

 New England — Continued. 



1877. Vermont geology by Rev. A. 



Wing, Dana, J. D. 



1878. Head of Androscoggin, Hunt- 



ington. 



Geology of New Hampshire, at- 

 las, Dana, J. D. 



Atlas to geology of New Hamp- 

 shire, Hitchcock, C. H. 



Dikes and Azoic of southeast- 

 ern Pennsylvania, Hunt, T. S. 



Region at head of Androscog- 

 gin River, Me., Huntington. 



1879. Hudson River age of Taconic 



schists, Dana, J. D. 



Macfarlane's Geological Rail- 

 road Guide, Hitchcock, C. H. 



Atlantic system of mountains, 

 Hitchcock, C. H. 



1880. Age of Green Mountains, Dana, 



J.D. 



Carboniferous in Massachu- 

 setts, Crosby and Barton. 



Age of Taconic rocks and geol- 

 ogy of Vermont, Dana, J. D. 



1881. Colonies dans les roches Tacon- 



iques des bords du lac Cham- 

 plain, Marcou, J. 

 Lower Silurian in northern 

 Maine, Dodge. 



1882. Age of the Taconic system, 



Dana, J. D. 



1883. Geologic history of the Ameri- 



can continent. Hall, J. 



History of Taconic question, 

 and relation of Taconian se- 

 ries. Hunt, T. S. 



Progress of geology, 1882, Hunt, 

 T. S. 



Fossils of Bernardston, Mass., 

 Whitfield, R. P. ; Dana, J. D. 



Marble of western New Eng- 

 land, Seely. 



Frenchmans Bay, Me., Crosby. 



1884. Notes on building stones used 



in New York, Newberry. 

 Hlnstrations of polished rock 



surfaces, Morgan, H. J. 

 Position of Philadelphia gneiss, 



Hitchcock, C. H. 

 Distribution of iron ores in 



eastern United States,Smock, 



J.C. 



