864 



CATALOGUE AND INDEX OF 



[BOLL. 137. 



Silurian — Continued. 

 Appalachian — Continued. 



1835. Description of portion of the 



Alleghany Mountains, Pa., 

 Miller, E. 

 Country between Fredericks- 

 burg and Winchester, Va., 

 Clemaon. 



1836. Report of survey of New Jer- 



sey, Rogers, H. D. 



Geology of lakes and Missis- 

 sippi Valley, Gibson, J. 



Bituminous coal deposits of 

 the valley of the Ohio, Hil- 

 dreth. 



Reconnaissance of Virginia, 

 Rogers, W. B. 



Reconnaissance from Washing- 

 ton through Wisconsin to 

 Coteau des Prairies, Feather- 

 stonhaugh. 



First report on survey of Penn- 

 sylvania, Rogers, H. D. 



1837. Geology of western New York, 



Hayes, G. E. 

 Notices in northern New York, 



Hubbard, O. P. 

 First report of survey of fourth 



district of New York, Van- 



uxem. 

 Physical geography of Mary- 

 land, Ducatel. 

 First report of first district of 



New York, Mather. 

 Crinoid bed at Schoharie, N. Y., 



Bonny. 

 Report of survey of Virginia 



for 1836, Rogers, W. B. 

 First report on second district 



of New York, Emmons, E. 

 First report on survey of third 



district of New York, Conrad. 



1838. Second report on survey of 



Pennsylvania, Rogers, H. D. 

 Report on paleontology of New 



York, Conrad. 

 Second report of survey of 



fourth district of New York, 



Hall, J. 

 Report of geologist of first dis- 

 trict of New York, Mather. 

 Report of survey of Virginia 



for 1837, Rogers, W. B. 

 Second report of survey of 



third district of New York, 



Yanuxem. 



Silurian — Continued. 

 Appalachian— Continued. 



1838. Remarks on rocks of New York, 



Dewey, C. 



1839. Third report on survey of Penn- 



sylvania, Rogers, H. D. 



Third report of fourth district 

 of New York, Hall, J. 



Thermal springs of North Amer- 

 ica, Daubeny. 



Third report of third district 

 of New York, Vanuxem. 



Corniferous lime rock as the 

 line of reference in New York 

 and Pennsylvania, Eaton. 



Geology and topography of 

 western New York, Hayes, 

 G.E. 



Report on chemistry of the sur- 

 vey of New York, Beck. 



Geology of Orange County, 

 N. Y., Horton, W. 



Second report on paleontology 

 of New York, Conrad. 



Remarks on Rogers on the 

 transition rocks, Silliman and 

 Silliman. 



Notes on American geology, 

 Conrad. 



Third report of first district of 

 New York, Mather. 



Report of survey of Virginia 

 for 1838, Rogers, W. B. 



Third report of second district 

 of New York, Emmons, E. 



Polished limestone of Roches- 

 ter, N. Y., Dewey, C. 



1840. Report on minerals and chem- 



ical department. New York, 

 Beck. 



Fourth report of geologist of 

 first district. New York, 

 Mather. 



Fourth report on survey of 

 Pennsylvania, Rogers, H. D. 



Description of geology of New 

 Jersey, Rogers, H. D. 



Fourth report of survey of the 

 third district of New York, 

 Vanuxem. 



Report of geologist of Mary- 

 land, Ducatel. 



Third report on paleontological 

 department. New York, Con- 

 rad. 



