662 E. O. ULRICH INDEX TO "REVISION OF PALEOZOIC SYSTEMS? 



Page Plate 



Sponges, Distribution of 501 



Spring Creek limestone • • • 491 



Springfield dolomite 2 *> 



Standard section for America 388 



Stanley shale ±77, 528 29 



Starrs conglomerate 618 



State Quarry limestone , 28 



Staunton axis 339 



barrier, Formations limited by . . . 564 



Staurograptus 679 



Steinbeim, Germany, Fresh water Miocene shells from 500 



Stewartville dolomite 27 



Stonehenge limestone 552, 647, 658 27 



member 652, 653, 659 



Stones River epoch 566 



at Martinsburg, West Virginia 298 



example of lithologic correlation 520 



fauna 5'76 



faunas 513 



group '. 379, 553, 555, 563 27 



limestone 382-413 



Upper 657 



Warping during 604 



Stones River-Lowville hiatus 555 



Stose, G. W., on Ohambersburg limestone 390 



Strandline, Relation to deformative movements of displacement of 401 



displacements .' 329, 578 



displacements connected with body deformation of earth. . . 404 



movement a basis of stratigraphic classification 580 



shifting, Record of 411 



Vertical displacement of 341 



Strasburg section, Virginia 323 



Stratigrapher, qualifications 577 



Stratigraphic and chronologic terminology 580 



Stratigraphic boundaries, Method in drawing 583 



Basis of revision of 577 



classification, Criteria and principles of 394 



column, History of development of 375 26 



correlations, Principles of 505' 



hiatuses 457 



hiatus, Time value of ' 537 



nomenclature . . 26 



overlap 536 



overlaps 329, 373 



physical criteria 462 



present instability. Causes of 289 



revision of methods 581 



sequence. Incompleteness of 579 



taxonomy 574 



