414 



CATALOGUE AND INDEX OF 



[BULL. 127. 



Geologic Philosophy— Continued. 

 Petrology — Continued. 



1872. Remarks on late criticisms of 



Dana, Hunt, T. S. 



1873. Eagle River district, Micli., 



Marvine. 

 Metamorphism of pebbles at 



Chestnut Hill, Niles. 

 On elongation of pebbles, 



Shaler. 

 Metamorphism of rocks, Hunt, 



T. S. 

 Concentric lamination in rocks, 



Hunt, T. S. 

 Violation of law of debitumin- 



ization of coal eastward, Les- 



ley, J. P. 

 Copper district of Michigan, 



Pumpelly. 

 Iron ores of Missouri, Schmidt. 

 Notes on Pilot Knob and vicin- 

 ity, Mo., Pumpelly. 



1874. Physical history of New Hamp- 



shire, Hitchcock, C. H. 

 Metamorphism due to burning 



of lignite, Allen, J. A. 

 Serpentine pseudomorphs from 



Tilly Foster mine, Dana, 



J.D. 

 Reply to Hunt, Genth. 



1875. Geology of New Hampshire, by 



Hitchcock, Dana, J. D. 



Metamorphism and pseudo- 

 morphism, Dana, J. D. 



Pseudomorphism and meta- 

 morphism, a correction, 

 Dana, J. D. 



1876. Past and future of geology, 



Prestwich. 



1877. Porphyries of eastern Massa- 



chusetts, Hyatt. 

 Helderberg of Bernardton and 



Vernon, Dana, J. D. 

 History of crystalline stratified 



rooks. Hunt, T. S. 

 Geology of New Hampshire, by 



Hitchcock, Dana, J. D. 

 Relation of geology of Vermont 



to that of Berkshire, Dana, 



J.D. 

 Dana on alteration of rocks. 



Hunt, T. S. 

 Origin of porphyry, Bouvfe. 



1878. Dikes and Azoic of southeast- 



ern Pennsylvania, Hunt, T, S. 



Geologic Philosophy— Continued. 

 Petrology— Continued. 



1878. Some points in lithology, Dana, 



J.D. 



Metasomatic development of 

 copper rooks of Lake Supe- 

 rior, Pumpelly. 



Systematic geology of fortieth- 

 parallel survey. King, C. 



Mineralogy and lithology of 

 New Hampshire, Hawes. 



1879. Geological survey of the for- 



tieth parallel, Newberry. 



Microscopic study of Huronian- 

 clay slate, Wichmann. 



Fortieth-parallel survey, sys- 

 tematic geology, by King, 

 Pumpelly. 



Classification of rocks. Wads- 

 worth. 



1880. Geologic action of humus acids, 



Julien. 

 Classification of lavas, Shaler. 

 High plateaus of Utah, Dutton, 



Powell. 

 Geology of Menominee iron 



region. Brooks, Wright, 



E. E. 

 Limestone belts of Westchester 



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

 Geology of eastern Massachu- 

 setts, Crosby. 

 Pinite in eastern Massachusetts, 



Crosby. 

 History of some pre-Cambrian 



rocks. Hunt, T. S. 



1881. Iron and copper district of Lake 



Superior, by Wadsworth, 

 Dana, J. D. 



Origin of petrosiliceous rooks, 

 Crosby, 



Menominee and Marquette iron 

 region, Rominger. 



Record of geology for 1879-80, 

 Hawes. 



Cupriferous series of Minnesota, 

 Winchell, N. H. 



Distorted pebbles in conglom- 

 erate, Crosby. 



Passage of sediments to vol- 

 canic in Brighton, Mass., 

 Shaler. 



Various massive rocks made in 

 one metamorphio process, 

 Dana, J. D. 



