658 E. O. TLRICH INDEX TO "REVISION OF PALEOZOIC SYSTEMS" 



Page Plate 



Reagan forutatron 623, 642, 664 



sandstone 521, 661 21 



Receptaeulites oweni 309 



Receptaculites oweni bed 310 



Recurrence of faunas. Correlation not impaired by 302 



of geological phenomena. Rhythm in 599 



of geographic patterns 602 



of periods of warping 603 



of species and faunas 298 



Recurrent species and faunas 513 



Red deposits, Significance of 464 



Reedsville shale 



Regressive overlap 428, 448 



Relief during Paleozoic 304 



Relief of continental land-masses 341 



Remopleurides 493 



Rensselseria '. 502 



Retiograptus tentaculites 7 Hall 678 



Reversed oceanic circulation 353 



"Revolutions" 595 



Rhinopora beds . . 28 



Rhinopora verrucosa zone 558 



Rhipidomella dubia 594 



Rhombotrypa quadrata 510 



Rhynchotrema capax 510 



Rhythm in recurrence of geological phenomena 599 



Ribeiria calcifera ? 658 



compressa 661 



parva 658 



Richmond, Age of 339 



coral zone 540 



Fauna of < late), Distribution of 306 



faunas 516, 517 



faunules. Geographic distribution of 295 



Relations to overlying formations of 307 



submergence 306 



transgression 303 



Transgression of ( early > 305 



Wide distribution of 519 



Richmondian interval. Expansion of 380 



sediments. Character of 470 



series. Position of 586 



Thickness of 383 



Richtofenia 502 



Ridgetop shale . . 29 



Ridley limestone . . 27 



Riverside sandstone . . 29 



Rochester shale 392 28 



Rockford limestone . . 29 



