DABTON.] 



NORTH AMERICAN GEOLOGY. 



425 



Geologic Philosophy — Continued. 

 VOLCANISM— Continued. 



1883. Volcanic phenomena of the Ha- 



waiian Islands, Button. 

 Thermal springs of Yellowstone 

 Park, Peale. 



1884. Studies of rocks of Cordilleras, 



"Wadsworth. 

 The volcanic problem stated, 



Dutton. 

 On sudden deflection in lava 



streams, Niles. 

 Volcanic sand from Unalaska, 



Diller. 

 Relations of Triassio traps of 



eastern United States, Davis, 



W. M. 

 Hawaiian volcanoes, Dutton. 



1885. Genesis and conservation of 



volcanic energy, Pike. 



Mount Taylor and Zuni pla- 

 teau, Dutton. 



Theory of volcanoes, Dutton. 



Form of volcanic cones and 

 elastic limit of lava, Becker. 



1886. Crater Lake, Dutton. 

 Geology and mining of Lead- 



ville, Emmons, S. F. 

 A dissected volcanic mountain, 



Dana, J. D. 

 On volcanic eruption, Dana, 



J. D. 



1887. History of changes in Mount 



Loa craters, Dana, J. D. 

 Hints toward a theory of vol- 



canism, Dana, J. D. 

 Volcanic action, Dana, J. D. 



1888. History of changes in Mount 



Loa craters, Dana, J. D. 

 Report of California division, 

 Becker. 



1889. Thoughts on eruptives, Win- 



ohell, N. H. 



Eruptions in Spanish Peaks 

 region, Colo., Hills. 



Traps of East Haven-Brant- 

 ford region. Conn., Hovey. 



Petrography of Sandwich Is- 

 lands, Dana, E. S. 



Points in history of Maui and 

 Oahu, Dana, J. D. 



1890. Volcanoes, Dana. 

 Geysers, Weed. 



Newark traps of New Jersey 



region, Darton. 

 Lake Bonneville, Gilbert. 



Geologic Philosophy— Continued. 

 Rock Decay. 

 1818. Geology of the United States, 



Maclure. 

 1837. Certain causes of changes now 

 in operation in Massachu- 

 setts, Hitchcock, E. 

 1840. Geological survey of Rhode Is- 

 land, Jackson, C. T. 



1844. Final report on New Hamp- 



shire, Jackson, C. T. 



1845. Agricultural geology of north- 



ern New York, Emmons, E. 



1848. Geology of South Carolina, 



Tuomey. 



1849. United States exploring expe- 



dition, Dana, J. D. 

 Decomposition of rocks by mete- 

 teoric waters, Rogers and 

 Rogers. 



1850. Condition of traps of New 



Hampshire a measure of ero- 

 sion, Hubbard, O. P. 



1856. Report of survey of South Car- 

 olina for 1856, Lieber. 



1862. Chemistry of the earth. Hunt, 

 T. S. 



1865. Drift and decomposed rook in 

 Brazil, Agassiz, A. 



1869. A naturalist in Brazil, Hartt. 



1873. Notes on Pilot Knob and vicin- 



ity. Mo., Pumpelly. 



1874. Bearing of surface geology of 



North Carolina on drift phe- 

 nomena of the North, Bur- 

 bank. 



Weathering of trap, Pennsyl- 

 vania, Frazer. 



Crystallines of the Blue Ridge, 

 Hunt, T. S. 



Relation of geology to agri- 

 culture, Hitchcock, C. H. 



1875. Disintegration of rocks, Hunt, 



T. S. 



Report on Hoosac tunnel. Hunt, 

 T. S. 



Northwestern Wyoming, Corn- 

 stock, T. B. 



1876. Kaolin in Wisconsin, Irving, R. D. 



1877. Report of progress of survey of 



Kentucky, Shaler. 

 Decayed gneiss of Hoosac 

 Mountains, Hunt, T. S. 

 1879. Relation of rock decay to loess, 

 drift, and rook basins, Pum- 

 pelly. 



