DAETON.] 



NORTH AMERICAN GEOLOGY. 



429 



Geologic PhiloBophy — Continued. 

 Sedimentation — Continued. 



1858. Sketch of geology of United 



States, Rogers, H. D. 



1859. Origin of spheroidal structure 



in sedimentary rooks, Silli- 

 man. 



Sedimentary and other rela- 

 tions of Paleozoic fossils of 

 New York, Bigshy. 



Paleontology of New York, vol. 

 3, HaU, J. 



1860. 66ologie pratique de la Loui- 



siaue, Thomassy. 

 Hydrologie du Mississippi, 

 Thomassy. 



1861. Report on Colorado River, New- 



berry. 

 Siggillaria from South Jog- 

 gins, Rogers, W. B. 

 Physics and hydraulics of the 



Mississippi, Humphreys and 



Abbott. 

 Elongated pebbles, Rogers, 



W.B. 

 Effects of subsiding ocean floor 



on deposits, Rogers, W. B. ; 



Agassiz, L. 



1863. Origin of crystalline iron ores, 



Dana, J. D. 



1864. A seam of coal, Andrews. 



1865. Origin of prairies in Missis- 



sippi Valley, Winchell, A. 

 Origin of prairies, Lesquereux. 



1866. Formation of ripple marks, 



Wyman. 

 Origin of mud lumps in mouth 

 of Mississippi River, Beaure- 



Physical features, general prin- 

 ciples, and surface geology of 

 Illinois, Worthen. 



1867. Researches in China, Mongolia, 



and Japan, Pumpelly. 

 Geology of Sombrero, Julien. 



1868. Recent bird tracks in basin of 



Minas, Hartt. 

 Recent geologic changes in 

 China and Japan, Bickmore. 



1869. Deep-sea dredging in relation 



to geology, Dawson, J. W, 



1870. Die Deltas, Credner, G. R. 



1871. Formation of deposits of dia- 



toms, Edwards. 

 Phosphate beds, Shaler. 



Geologic Philosophy — Continued. 

 Sedimentation — Continued. 



1871. Preservation of vegetal re- 



mains in coal measures, Les- 

 quereux. 



Phosphate beds, Shaler. 



Delta and mud lamps of Mis- 

 sissippi River, Hilgard. 



Changes of level of coast of 

 Maine, Shaler. 



1872. Post-Pliocene of Canada, Daw- 



son, J. W. 

 Distribution of conglomerate, 



Pickering. 

 Formation of deltas, Tylor. 

 Corals and coral islands, Dana, 



J. D. 



1873. Imperfection of paleontologic 



record, Nicholson. 



Origin of metalliferous depos- 

 its. Hunt, T. S. 



Report on second district of 

 Ohio, Andrews, E. B. 



1874. Circles of deposition, New- 



berry, 



On stratification of rocks, 

 Hunt, T. S. 



The deposition of clays. Hunt, 

 T. S. 



Carboniferous system of Ohio, 

 Newberry. 



Parallelism of coal seams, An- 

 drews. 



1875. Report on portions of Nevada, 



Utah, California, and Ari- 

 zona, Gilbert. 



Southern New England during 

 the melting of the glacier, 

 Dana, J. D. 



Mesozoic sandstones of the 

 United States, Frazer. 



1876. Geology along Louisville, Pa- 



ducah and Southwestern 

 Railway, Norwood. 



Uinta Mountains, Powell. 



Denuding agencies and geo- 

 logic deposition, Tylor, A. 



Geyserite pebbles in Yellow- 

 stone Park, Comstock. 

 Transportation routes in Wis- 

 consin, "Warren, G. K. 



Sea-bottom deposits, Murray, J. 



Rain and rivers, Greenwood. 



Colorado plateau province, Gil- 

 bert. 



