INDEX. 



273 



Pace. 

 Correlation, principles of— Continued. 



New York with western rocks 59 



J. Hall, rocks of east and west 61-63, 



67, 72-73 



H. D. Rogers, rocks east and west 63 



D. D. Owen, rocks east and west 64 



American and European rocks by de 



Verneuil 67-71 



use of fossil plants in 103 



Venango, bow made Ill 



Carboniferous rocks of Pennsylvania 



and Ohio 119 



Pennsylvania survey 113-124 



use of lithology and paleontology in.. 126 



Mississippi valley, by J. Hall 149-150 



various factors ins 173-174 



Mississippian province 171-172, 261-262, 265 



American and European Permian 195 



Nova Scotia coal formations, by L. 



Lesquereux 237-239 



objects of 260 



paleontologic evidence 263-265 



from structure 265 



A. Eaton on 266 



Cox, E. T., on rocks about Tucson, Ari- 

 zona 222 



Cragin, F. W., on Permo-Carboniferous 



of Kansas 212 



D. 



Dawson, G. M., on rocks of British Co- 

 lumbia 221 



Dawson, J. W., correlations in Acadia. .. 209-210 

 on Carboniferous system of Acadia.. 226-227 



on rocks of Nova Scotia 228-229,231 



classification of rocks of Nova Scotia, . 232-234 

 on comparisons of coal measures of 



Nova Scotia and United States . . . 236 

 on species of Devonian and Carbon- 

 iferous 236-237 



on deposition of coal strata 239-240 



on rocks near St. John, New Bruns- 

 wick 240 



on Canadian Carboniferous rocks 245-246 



on rocks of Prince Edward Island 249 



on Paleozoic floras 253-254, 255 



on classification of Devonian and Car- 

 boniferous rocks 256-257 



De la Beche, classification of 34 



Devonian, Sharp's classification of 66-67 



de Verneuil on 70 



confusion of mem bers of 76-77 



of Pennsylvania, J. J. Stevenson on. 124-125 



faunas of 128-130,186 



classification of 131-134 



Colorado 223 



Montana 224 



British America 224-225 



New Brunswick 227,252-253 



Maine, C. H. Hitchcock on 240 



New Brunswick, Matthew, Bailey and 



Hartton 240-241 



Canada, J. F. Whiteaves on 254 



Maine, N. S. Shaler on 256 



Bull. 80 18 



Page. 



Devonian fauna of New York 127, 128-130, 186 



S. Calvin on 186 



Devonian period, Mississippi province in. 136-137 

 Devonian and Carboniferous, line of sepa- 

 ration of 174-175,178 



western and northern provinces 213-225 



America, Chas. Lyell on 229-230 



J. W. Dawson's classification of 256-257 



Devonian and Carboniferous plants of 



Nova Scotia 236-237 



Dewey, C, on rocks of New York 42-43 



Dooruik, J. E.,on fossil remains 31 



Drake, D., on classification 23 



Dutton, C. E., on Permian in Utah 220 



Dyas and Trias, J. Marcou on 200 



Dyas in America, J. Marcou on 202 



E. 



Eaton. Amos, classification of. 19-20, 24-25, 33, 46-47 



6ystem of naming rocks 27 



on Erie canal rocks 27 



geological nomenclature of North 



A merica 29-31 



on coal formation in New York 32-33 



correlation of New York rocks 34-35 



on correlation of coal beds of Penn.. 



sylvania with those of Europe ... 36 



correlations by 266 



Ells, R. AY., on rocks of Canada 255 



Emmons, E., classification of 56 



Engelmann, H., on Subcarboniferous 



groups of Mississippi valley 1G3 



Erie Canal rocks, A. Eaton on 27 



F. 



Falls of the Ohio, sections 151, 176 



Faunas, how modified by conditions 127-128 



Featherstonhaugh, G. W., classification of 35-36 



on coal deposits 38 



Fletcher, Hugh, on rocks of Cape Breton. 250, 251, 



252 



on rocks of Nova Scotia 251-252 



Fontaine, W. M., on conglomerate of 



West Virginia 87 



on Coal Measures of West Virginia. . 87-88 



proposes Conglomerate series 93 



on Vespertine of Virginia 112-113 



Fontaine and White, on fossil plants of 



Pennsylvania 102-103 



Formations, nomenclature of 9 



Fossils, use of, in correlations 12, 31 



identification of geologic deposits by . 18 



Fossil plants in correlation 103 



Foster,J. W., on rocks of Ohio — 177 



Frazer, P., on coal from Bath, West Vir- 

 ginia 99 



G. 



Geinitz, H. B., on fossils from Kansas and 



Nebraska 202 



on fossils from the Dyas 205 



Genevieve group proposed 169 



