194 REPORT OF NATIONAL MUSEUM, 1904. 



Page, 

 footprints in limestone; views of Schoolcraft, Benton, and Owen. Early 

 suggestions of faulting and displacement. John J. Bigsby's work in 

 Canada. John Finch's subdivision of the Tertiary. Work of Denison 

 Olmsted in North Carolina. Sketch of Olmsted. Hitchcock's Geology of 

 the Region Contiguous to the Connecticut River. Chester Dewey on the 

 Geology and Mineralogy of the Western part of Massachusetts. Eaton's 

 survey of the district adjoining the Erie Canal. Geological views of Rafi- 

 nesque. Peter Dobson's observations on the drift. The Long-Keating 

 expedition to the Great Lakes and the sources of the Mississippi. J. H. 

 Steel on overturned folds. J. Van Rensselaer's lectures on geology. Isaac 

 Lea on earthquakes. Maclure's criticisms of the views of Scropeand Lea. 

 Ebenezer Emmons's Manual of Mineralogy and Geology. Gerard Troost 

 and his work. J. W. Webster's account of the geology about Boston. 

 Alanson Nash on the formation of mineral veins. Work of Elisha Mitchell 

 in North Carolina. Mitchell's criticism of the views of Olmsted and 

 Rothe. Views of Benjamin Tappan concerning drift. The dark ages of 

 geology. First attempt at correlation of beds by means of fossils. Work 

 of Jackson and Alger in Nova Scotia. Sketch of C. T. Jackson. Views of 

 Lardner Vanuxem on the Tertiary and the relative age of rocks, as indi- 

 cated by position. Sketch of Vanuxem. First American edition of Bake- 

 well's Geology, with Silhman's notes. Silliman's views relative to the 

 early history of the earth and the Noachian deluge. 



CHAPTER III. 



77/ e Era of State Surveys, First decade, 1830-1839 295 



Generalities. Amos Eaton's Geological Text-Book. His views regard- 

 ing the formation of various geological deposits; relative to the value of 

 fossils. Personal characteristics of Eaton. Founding of the Monthly 

 American Journal of Natural History. Sketch of G. W. Featherstonhaugh. 

 Establishment of State Geological Survey of Tennessee. Jacob Green's 

 Monograph of the Trilobites of North America. William Maclure's Geology 

 of the West Indies. Maclure on the Formation of Rocks. T. A. Conrad's 

 Tertiary of North America. Edward Hitchcock's survey of Massachusetts. 

 Hitchcock's views regarding the origin of rocks and of valleys; on the value 

 of fossils for purposes of correlation. His description of overturned folds; 

 controversy relating to the same. Hitchcock's description of the flattened 

 pebbles in the conglomerate at Newport, R. I. Sketch of Nicollet. Geo- 

 logical work of J. N. Nicollet in North America. The second American 

 edition of Bake well's Geology. Silliman's views relative to the nature of 

 geological evidence and its consistency with sacred history. Amos Eaton's 

 notions regarding the Rocky Mountains. Isaac Lea's Contributions to 

 Geology. T. A. Conrad on the distribution of the Eocene. Organization 

 of the Geological Society of Pennsylvania. William Aiken's ideas on 

 mountain uplift. Survey of Maryland by J. T. Ducatel and J. H. Alex- 

 ander. Sketch of Ducatel. Featherstonhaugh' s survey of the country 

 between the Missouri and Red rivers; of the Coteau des Prairies. H. I). 

 Rogers's geological survey of New Jersey. Rogers's views on the forma- 

 tion of the gorge at Niagara. Sketch of Rogers. J. G. Percival and the 

 geological survey of Connecticut. Work of S. P. Hildreth in Ohio. 

 Mather's geological survey of Ohio. Work of S. P. Hildreth, John Locke, 

 Caleb Briggs, J. W. Foster, and Charles Whittlesey in Ohio. Sketch of 

 W. W. Mather. Mather's Elements of Geology. Work of John R. Cotting 

 in Georgia. Abraham Gesner's Geology and Mineralogy of Nova Scotia. 

 Gesner's views on the drift. Sketch of Gesner. Work of C. U. Shepard 



