INDEX. 



439 



Page. 

 Hall, James — Continued. 



Olenellus proposed by 491 



on rocks of "Wisconsin 173, 175-178 



on age of sandstone of Wisconsin and 



Lake Superior 178 



on Potsdam of Iowa 187 



on Potsdam sandstone of New York . 205 



on fossils of Wisconsin. . . .222, 223, 224, 225, 226 



fossils of Adirondack* 229, 232 



on names of formations 401 



on use of fossils in correlation 401-403 



methods of correlation 408, 409 



principles of correlation 415, 416 



North America and European forma- 

 tions compared by 416 



Hall and Whitfield on fossils of Ne- 

 vada 159,166,167 



on fossils from Adirondacks 231 



Hamburg, definition of 246 



Hamburg limestone and shale, description 



of 315-317 



fauna of 316,317 



Harper's Ferry, Virginia, Geiger and 



Keith on rocks of 137,138 



section 291,292 



Hartt, C. F., on St. John group 62 



Hayden, F. V., on rocks of Montana 162 



on rocks of Colorado 209 



on rocks of "Wyoming 211, 212 



on rocks of Black Hills 215,216 



Hayes, C. W., definition of Connasauga. . 246 



definition of Rome sandstone 247 



definition of "Weisner... 251 



section in Georgia 304, 305 



Hellam quartzite 131 



Hemmingford, Canada, section 343 



Henderson, J. T., on rocks of Georgia 145, 303 



Hickory, definition of 246 



Hicks, H., on Tremadoc group 242 



on sediments of the Cambrian 373 



on Cambrian of America and "Wales. 375 



Hiiihgate Springs, Vermont, section 279 



Highland range, Nevada, fossils from 171 



section 317,318 



fauna of 318,319 



Hind, H. Y., on "Waverly gold district 57 



on gold-bearing rocks of Nova Scotia. 58 



on gneissoid series of Nova Scotia ... 58 



Hitchcock, C. H., on Mount Desert, Maine 68 



on rocks about Portland, Maine 68 



on rocks of Maine 69 



classification of ruck* in New Hamp- 

 shire 70,71 



on classification of rocks in New Eng- 

 land 72 



on Georgia group 101, 249, 250 



on the name Georgia 106 



on rocks of "Waterville, Maine 101 



on quartz rock of Vermont 96 



on fossils from Vermont 99 



on formations of Vermont 104 



on Potsdam in Vermont 105 



on Winooski marble 105 



on granular quartz 106 



Page. 

 Hitchcock, C. H. — Continued. 



on red sandrock ]06 



on Cambrian of Vermont 107 



on sections in Vermont and New 



Hampshire 108 



fossils of Potsdam group 223 



proposes Potsdamic 252 



on mica-schist series of New Hamp- 

 shire 268 



Hitchcock, E., on rocks at Attleborough, 



Massachusetts 73 



on rocks of Boston and vicinity 73,75 



Hiawassee River, rocks of 141 



Homogeny, W. J.McGeeon 432,433 



Homotaxis, T. H. Huxley on 427 



Hough, F. B., on Potsdam of New York . . 205, 206 

 Houghton, Douglass, on Lake Superior 



sandstone 188-190 



table of rocks of Michigan 189 



Howell, E. E., on rocks of Nevada 156 



Howley, J., on rocks of Newfoundland ... 53 



Hudson's Bay, Cambrian rocks on 121, 122 



Hunt, T. S., on rocks at Attleborough, 



Massachusetts 73 



on rocks at Braintree, Massachusetts. 75-76 



on geology of Vermont 104 



on Cambrian and Taconic 108 



classification in Canada 120 



on Cornwall iron mines, Pennsylvania 127 



on Auroral limestone 127, 128 



correlations of 132,414 



on Potsdam of Pennsylvania 132 



on Scolithus linearis 132 



on Lake Superior sandstone 195, 197, 198 



on Potsdam of New York 206 



on Cambrian, cited 240 



on Taconian 243 



Huxley, T. H., on homotax is 427 



Hyatt, A., on fossils of Straits of Belle Isle 54 



on life history in correlation 426 



Hydromica slates, C. E. Hall on 129 



1. 



Idaho, O. St. John on rocks of 161 



F. H. Bradley on rocks of 161 



A.C. Peale on rocks of 161 



Cambrian rocks of 161, 162, 320-323 



Lower Paleozoic section 323 



sedimentation of 328, 329 



India, Cambrian rocks of 378 



d'Invilliers, on Potsdam sandstone of 



Pennsylvania 130 



on correlation of the Potsdam 404 



Interior Continental Province, definition 



of 171,330 



Cambrian rocks of 171-221, 330-347 



sediments of 358 



fauna of 371 



Iowa, Cambrian rocks of 187-188 



Ireland, Cambrian rocks of 377 



Irving, R. D., on rocks of "Wisconsin 178-179 



on Cambrian and pre Cambrian for- 

 mations cited 181 



