DABTON.] 



NORTH AMERICAN GEOLOGY. 



883 



Silurian — Continued. 

 Wbst of the Appalachians to the 

 Mississippi River, and Minne- 

 sota — Continued. 



1851. Beaches of Lake Michigan, 



Whittlesey. 



Fossils of Lake Superior iron 

 district. Hall, J. 



Dip, thickness, etc., of Silurian, 

 Michigan, Whittlesey. 



Silurian and Devonian iron 

 region of Lake Superior, 

 Hall, J. 



Geology of southeastern Wis- 

 consin, Lapham, I. A. 



Remarks on analysis of Lower 

 Silurian limestones, Michi- 

 gan, Hall, J. 



Terrains silnrieus du lac Su- 

 p(5rieur, Foster and Whitney, 

 Maroon, J. 



1852. Sur la carte g^ologique du lac 



Sup6rieur de Foster et Whit- 

 ney, Desor. 



Explorations in Wisconsin, 

 Hall, J. 



Comparison of geology of Ten- 

 nessee and New York, Hall, J. 



Report ou valleys of Minnesota, 

 Mississippi, and Wisconsin 

 rivers, Shumard, B. F. 



Survey of Wisconsin, Iowa, 

 Minnesota, etc., Owen, D.D. 



Wisconsin south of Lake Supe- 

 rior, Whittlesey. 



Westward extension of Silurian 

 formations. Hall, J. 



1853. Geologic map of United States, 



etc., Maroou, J. 

 Silurian fauna in New York and 



Wisconsin, Barrande. 

 Parallelism of Lower Silurian 



of middle Tennessee and New 



York, Safford. 



1854. Lead district, Daniels, E. 

 Geologic map of United States, 



by Marcou, Am. Jour. Sci. 



Upper Mississippi lead region, 

 Phillips, J. V. 



Survey of Indiana, Brown, R. T. 



Map of Wisconsin, Iowa, and 

 Minnesota, Owen, D. D. 



Silurian system, Lake Superior 

 district, Hall, J. 



First report on survey of Wis- 

 consin, Daniels, E. 



Silurian — Continued. 

 West of the Appalachians to the 

 Mississippi River, and Minne- 

 sota — C on tinned. 



1855. Geologic map of Wisconsin, 



Lapham, I. A. 

 Catalogue of geologic speci- 

 mens, Owen, D.D. 

 Ueber die Geologic von Nord- 



Amerika, Maroou, J. 

 Report of survey of Wisconsin, 



Percival. 

 Esquisse g<5ologique du Canada, 



Logan and Hunt. 

 Reconnaissance of Tennessee, 



Safibrd. 

 Review of Murchison's Siluria, 



Whitney, J. D. 



1856. Chemicalreport, survey of Ken- 



tucky, Peter. 

 Survey of Kentucky in 1854 



and 1855, Owen, D. D. 

 Outlines of geology, Whittlesey. 

 Second report on survey of 



Wisconsin, Percival. 

 Carboniferous limestone of 



Mississippi Valley, Hall, J. 



1857. Third report on Kentucky, 



Owen, D. D. 



Geology of Tennessee, Currey. 



Third chemical report of sur- 

 vey of Kentucky, Peter. 



Second chemical report, survey 

 of Kentucky, Peter. 



Second report of survey of Ken- 

 tucky, Owen, D. D. 



Report on Hopkins, Critten- 

 den, and other counties, Ken- 

 tucky, Lyon. 



1858. Tennessee geological history, 



Safford, J. M. 



Geology of North America, Mar- 

 cou, J. 



Paleozoic basin of New York, 

 Bigsby. 



1859. Artesian well at Columbus, 



Ohio, Mather. 



Paleontology and the moral 

 sense, Whittlesey. 



Clinton group iron ore, Rogers, 

 W. B. 



Notes ou Wisconsin, etc., Dan- 

 iels, E. 



Some points in American geo- 

 logic history, Safford. 



