DABTON.] 



NORTH AMEEIOAN GEOLOGY. 



203 



Carboniferous — Continued. 

 Kentucky, Tennessee, Alabama, 

 Georgia — Continued. 

 1832. Fossil shells of the Tertiary, 

 Conrad. 



1834. Coal in Alabama, Jones, A. 



1835. Position of pentremites, Troost. 

 Third report on Tennessee, 



Troost. 

 1837. Fourth report on Tennessee, 

 Troost. 



1839. Reconnaissance of Kentuclcy, 



Mather. 



1840. Fifth report on Tennessee, 



Troost. 



1841. Notice of oolitic formation in 



America, Lea, I. 

 Sixth report on survey of Ten- 

 nessee, Troost. 

 1843 Geology of Western States, 

 Owen, D. D. 

 Origin of Appalachian coal, 

 Rogers, H. D. 

 1844. Seventh report of survey of 



Tennessee, Troost. 

 1845 Eighth report of survey of 

 Tennessee, Troost. 



1846. Coal field of Tuscaloosa, Ala., 



Lyell. 



Coal fields of Alabama, Lyell. 



Researches in central Ken- 

 tucky, Owen and Norwood. 



1847. Contributions to geology of 



Kentucky, Yandell and Shu- 

 mard. 



1848. Statistics of coal, Taylor, R. C. 

 Letters on geology, Christy. 



1849. Statistics of Georgia, White, 



G. 

 1851. Mammoth Cave of Kentucky, 



Silliman, B. J. 

 1853. Geologic map of United States, 



Marcou, J. 



1855. Reconnaissance of Tennessee, 



Safford. 

 Mineralreichthum der Verein- 

 igten Staaten, Diffenbach. 



1856. Chemical report, survey of 



Kentucky, Peter. 



Survey of Union and Critten- 

 den counties, Ky., Lyon. 



Survey of Kentucky in 1854 

 and 1855, Owen, D. J). 



1857. Chemical report, survey of 



Kentucky, Peter. 



Carboniferous — Continued. 

 Kentucky, Tennessee, Alabama, 

 Georgia — Continued. 



1857. Report on Hopkins, Crittenden, 



and other counties, Ky., 

 Lyon. 



Second report' on Tennessee, 

 Stafford. 



Fossil flora of western Ken- 

 tucky coal field, Lesquereux. 



Third report on Kentucky, 

 Owen, D. D. 



Geology of Tennessee, Currey. 



Paleozoic report, survey of 

 Kentucky, Lyon. 



Coal-measure moUusca of Ken- 

 tucky, Cox, E. T. 



Third chemical report of sur- 

 vey of Kentucky, Peter. 



Report in counties of Greenup, 

 Carter, Lawrence, and Han- 

 cock, Ky., Lyon. 



Middle and southern Alabama, 

 Winchell,A. 



Report on Mississippi, Harper. 



Second report of survey of 

 Kentucky, Owen, D. D. 



1858. Geology of North America, 



Marcou, J. 



Localities of coal beds in Ala- 

 bama, Powell, G. 



Comparison of coal seams, Les- 

 ley, J. P. 



First report on Alabama, Tuo- 

 mey. 



Geology of North America, 

 Marcou, J. 



Report of chemical depart- 

 ment of survey of Alabama, 

 Mallet. 



Report on Alabama, Tuomey. 



1859. Paleontology and the moral 



sense, Whittlesey. 



1860. Geology and agriculture of 



Mississippi, Hilgard. 



Remarks on stratigraphy of 

 Kentucky, Lyon. 



Coal formations of North Amer- 

 ica, Lesquereux. 



1861. Chemical report, survey of 



Kentucky, Peter. 



Upper Silurian of western Ten- 

 nessee, Safford. 



General geology, survey of 

 Kentucky, Owen, D. D. 



