INDEX 



445 



Page. 

 Shaler and Williams on rocks of Little 



Falls, New York 207,347 



Shumard, B. F., on Wisconsin, cited 185 



on rocks of Texas 217 



fossils from Wisconsin and Missouri. 223 



fossils from Texas 234-235 



Signal Hill sandstone, description of 50, 51, 52 



Sillery series, position of 286 



Sioux quartzite, description of 182, 185 



fossils from 185 



age of 184-185 



Smith, E. A., work of, in Alabama 146-148 



on metamorphic rocks of Alabama. . . 146-147 

 on classification of rocks of Alabama. 147 



on Potsdam sandstone of Alabama. . . 147 



definition of Monte vallo 247 



definition of Coosa 247 



definition of Weisner 251 



on rocks of Alabama 305-308 



Smock, J. C, on the rocks of Dutchess 



County, New York Ill 



Snowden slate quarries, Virginia, section. . 297 



South America, Cambrian rocks of 379 



South Mountain, Pennsylvania, H. D. 



Rogers on sandstone of 124, 125, 128 



J.P.Lesley on 127 



P. Frazeron 128 



Southern Appalachian district, definition 



of 122,287 



Cambrian rocks of 122-148, 287-308 



paleontology of 154-155 



Southwestern sub-province, definition of 216, 354 



Cambrian rocks of 216-221, 354-357 



sediments of 357-358 



Spring Creek, Dakota, section 348 



Stevenson, J. J., on rocks of Virginia.. 137, 298-299 

 Steele, J. A., on rocks of Saratoga County, 



New York... 201-202 



on fossils of Adirondacks 229 



Straits of Belle Isle, Newfoundland, rocks 



of 254 



Strong, Moses, on rocks of Wisconsin 180 



Sutton Mountain anticlinal, Canada 286 



Swallow, G. C, on rocks of Missouri 199. 200 



Swanton, Vermont, section 103, 279- 280 



Sweet, E. T., on rocks of Wisconsin, cited 178 

 on Lake Superior sandstone 196, 197, 337 



T. 



Taconian, definition of 243 



Taconian system, pre-Cambrian 132 



Taconic slate, A. Fitch on 98-99 



C. B. Adams on 99 



Taconic group in Minnesota 185 



Taconic system, E. Emmons on 98 



J. Marcou on Lake Champlain 108 



J.Marcouon 109-110 



J. Marcou classification of 112-113 



definition of 242-243 



Tennessee, G. Troost on rocks in 139-141 



Cambrian rocks of 139-144, 299-303 



work of J. P. Lesley on rocks of 141 



J. M. Safford's classification of rocks 



of 141-142,144 



Pago. 



Ten nes see — Con ti n ued . 



J. B. Elliott on rocks of 144 



Cambrian fauna of 154-155 



Camhrian sediments of 311 



problems for investigations in 383 



Texas, F. Roemer, on rocks of 216, 217 



Cambrian rocks of 216-219,354-356 



B. F. Shumard on rocks of 217 



S. B. Buckley on rocks of 218 



C. D. Walcott on rocks of 218 



T. B. Comstock on rocks of 219 



W. P. Jenney on rocks of 218 



J. S. Newberry on rocks of 218 



paleontology of 234-235 



Cambrian sections of, compared with 



others 355 



division of rocks by T. B. Comstock. . 355-356 



problems for investigation in 385 



Thompson, Z , on red sand rock 97 



Timpahute range, Nevada, section 156 



Tonto group, description of 220,221 



Tonto sandstone, definition of 245 



description of 357 



Topsail Head, Newfoundland, section 52 



fossils of 55,260 



Toughkenamon division 130 



Tourney, M. , on rocks of Alabama 146 



Tremadoc slates 241-242,374 



Trenton limestone, distribution of 405-406 



Trinity Bay, Newfoundland, section 53 



Troost, Gerard, classification of rocks 139 



on rocks of Tennessee 139-141 



on Cambrian system of Tennessee. 140-141, 240 



Trout Creek, Colorado, section 209-210, 353 



Troy, N. Y. , S. W. Ford on rocks at 106 



J.Hall on fossils from 99 



Tyson, P., on rocks of Maryland 289-290 



U. 



Upper Cambrian in Atlantic Coast prov- 

 ince 274 



Upper Mississippi area, definition of 171 



Cambrian rocks of 171-199 



paleontology of 221-228 



Upper Mississippi Valley, Cambrian rocks 



of 330-334 



problems for investigation in 385 



Upham, Warren on rocks of Minnesota, 



cited — 186 



Utah, F. H. Bradley on rocks of 156, 157 



Clarence King o n rocks of 157 



S. F. Emmons on rocks of 157-158 



Cambrian rocks of 319-320 



Utah and Nevada, Cambrian rocks of 155-160, 



312-320 



fossils from 169,170 



problems for investigation in 384 



V. 



Vanuxem, Lardner, on Potsdam sand- 

 stone of New York 204,205 



Vermont, C. B. Adams on quartz rock of . 95 



C. H. Hitchcock on quartz rook of 96 



Amos Eaton onrocksof 98 



