ROCKMART 



659 



Page 



Rockraart slate 



Rogersvilie shale 613, 622, 636 



Rome barrier 438, 451, 622, 626 



formation 621 



sandstone 618 



shale and sandstone 



Romney 



Roubidoux formation 632 



Ruedemann, R., on faunas of Van Schaick Island, New York 323 



Russell formation 621 



Russell shale 



Rutledge limestone 622, 636 



Plate 

 27 



27 

 28 

 27 



27 



27 



Sac limestone . . 29 



Safford, J. M., Sneedville limestone 545 



on the Wells Creek basin 671 



Saint Clair fauna 559 



limestone 421,486,558,559 28 



Saint Croix 27 



invasion 504 



transgression '. 625 



Saint Croixan 



fauna 625 



sea 613 



Saint Francis axis 491 



Sainte Genevieve 517 



fauna 589 



formation . . 29 



limestones 301, 512, 530, 588 



Relations to Chesterian and Merameciau 588 



Saint Joe member . . 29 



Saint Lawrence limestone 640 27 



trough 675 



Saint Louis limestone 512, 530 29 



"Saint Peter" group 521 



Saint Peter sandstone 379, 382, 421, 414, 479, 528, 529, 553, 586, 592 27 



"Saint Peter series" 648 



Saint Peter- Sylamore contact in Arkansas 527 



Saint Thomas section in Pennsylvania 328 



Salina 28 



Salterella ? 671 



Saluda 28 



Division of Richmondian 423 



Sandstones 542 



Value in correlation of 521 



Sandsuck shale 618 



Saratogan 612, 616 27 



sea 333 



submergence 332 



