444 



INDEX. 



Page. 

 Red sandrook — Continued. 



distribution of 277 



character of 277 



Richardson, J., on rocks of the St. Law- 

 rence River 118 



Riley, definition of 246 



Robb, J., on rocks of New Brunswick.... 60 



Rockfish Gap, Virginia, section . . .291, 292-293, 294 

 Rocky Mountain province, problems for 



investigation in 384-385 



definition of 155,313 



Cambrian rocks of 155-165, 313-329 



paleontology of 165-171 



sedimentation of 328-329 



Rocky Mountain sub-province, paleontol- 

 ogy of 233-234 



definition of 347 



Cambrian rocks of 347-354 



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



fossils from Texas 234 



Rogers, H. D., classification of 94-95 



on rocks of New Jersey 122 



correlation of sandstone No. 1 124 



on rocks of Pennsylvania 124-127 



description of Primal series 125-126, 289 



on South mountain rocks 128 



on Lake Supei ior sandstone 1 90 



principles of correlation 417-418 



Rogers, H. D. and W. P.., definition of 



Primal 251 



on correlation of rocks 403-404 



Rogers. W. B., on rocks of New Bruns- 

 wick 60,61 



on rocks at Braintree, Massachusetts . 73, 74 

 on fossils from Fall River, Massachu- 

 setts 75 



on rocks at Newport, Rhode Island.. 76 



on fossils from eastern Massachusetts . 88 



on Primal series of Virginia. . .133-134, 290-291 



sections in Virginia 136 



Rogers, W. B. and H. D., on lithologic char- 

 acter in correlation 428 



Rome sandstone, definition of 247 



Rominger, C, on Lake Superior sandstone 196, 337 

 Uo.seufield station, Canada, section 334 



S. 

 Safford, J. M., classification of rocks in 



Tennessee 141-142, 144 



metamorphic rocks of eastern Tennes- 

 see 142 



Potsdam group of Tennessee 142-143 



fossils of Tennessee 154 



definition of Chilhowee 251 



definition of Ocoee 232 



on rocks of Tennessee 300-302 



on classification of rocks 405 



Saint Albans, proposed by J. Mar con .... 281 



Saint Croix, N. H. Winchell on Minnesota. 182, 183, 



186 



definition of 245 



description of 330-334 



Saint Croix district, "Wisconsin, section .. 333-334 

 Saint John, New Brunswick, work of J. 



TV. Dawson on rocks at 61 



Page. 

 Saint John, New Brunswick— Continued. 



G.F.Matthew onrocks of 64-65 



G. F. Matthew on pre-Paradoxides 



zone at 65,67,86 



pre-Paradoxides, beds of 264-265 



C. D. Walcott , on fossils from 81 



A. Hyatt, on fossils from 82 



Saint John grou p, C. F. Hartt on . 62 



Matthew and Bailey on 62 



CD. Walcoiton 65 



definition of 249 



description of 263-264 



divisions of 266 



Saint John, O., on rocks of Idaho 161 



on rocks of Wyoming 213, 214, 350-351 



Saint John's slate, description of 50,51 



J. F. Whiteaves on 54 



definition of 248 



Saint Lawrence River, W. E. Logan, rocks 



on 115,118-119 



J. J. Bigsby on rocks of 116 



J. Richardson on rocks of 118 



Saint Louis, Missouri, section in well 200, 340 



Saint Peter's sandstone and Chazy lime- 

 stone compared 176-177 



Salem Village, New York, section . . . 282-283 



Salt Range, India, section 378 



Salter, J. W., on Paradoxides from New- 

 foundland 50 



fossils of Georgia 155 



on Tremadoc slates 241 



Salter and A veline on Caradoc 239 



Saratoga, New York, section 346 



Saratoga section compared with other sec- 

 tions 346 



Saratoga County, New York, J. H. Steele 



on rocks of 201-202 



Sardinia, Cambrian rocks of island of 375 



Scandinavia, Cambrian rocks of 375 



Schell Creek Mountain, Nevada, fossils of. 158 



Schoolcraft, H. R., on age of Lake Superior 



sandstone 194 



Scolithus linearis. 131, 132, 137, 147, 172, 306, 404, 407 



Scotland, Cambrian rocks of 376 



Sears, J. H., on fossils from Nahant, Mass. 78 



Secret Canon shale, definition of 246 



description of 315 



fauna of 315 



Sedgwick, A., on Upper Cambrian 237-238, 239 



on Middle Cambrian 238,239 



on Lower Cambrian 238, 239 



Selkirk, British Columbia, section 165 



Selwyn, A. R. C, gold field of Quebec and 



Nova Scotia 58 



on Cambrian group 119 



on the Quebec group 119 



on Lake Superior sandstone 197-198 



on volcanic portion of Cambrian 286-287 



Shaler, N. S.,on rocks of Mount Desert, 



Maine 69 



on rocks at Braintree, Massachusetts. 75 

 on geology of Bristol County, Massa- 

 chusetts 77,271-272 



Shaler and Foerste, on fossils of eastern 



Massachusetts 89-90 



