636 E. O. ULRICH INDEX TO "REVISION OF PALEOZOIC SYSTEMS" 



Page Plate 



Currents, Effects on deposition of 362 



Absence of transcontinental 361, 363, 367 



. Evidence of graptolites on 371 



in continental seas 499 



Oceanic 320 



Relation to faunal distribution of marine 517 



Cuyaboga basin 582 



formation . .' • . 29 



Cycles of deposition, Examples of 315-317 



of erosion and deposition 314 



Paleozoic 315 



Value for stratigraphic classification of 315 



Cyclonema bilix 514 



Cypress sandstone 302. 475. 589 29 



Cyrtoceras conf ertissimum 669 



conf ertissimum ? 670 



cf. conf ertissimum 671 



Cyrtocerina 630 



mercurius ? 654 



Cystids, Distribution of 502 



Dale, T. N., on slates of New York and Vermont 445 



Dalmanella ? cf . electra 653. 670, 674 



subsequata 663 



testudinaria 229. 508, 519 



testudinaria ? 323 



? wemplei 664 



? cf. wemplei 664 



Dana. J. D.. stratigraphic classification 375 26 



Day Point limestone 649 27 



Dayton 28 



Deadwood formation 623 



Decatur limestone . . 28 



Decorah shales 488 27 



Decorah shale fauna 367, 370 



Map of 368 



Deformation. Body 394 



Deformations. Systematic succession of 395 



Deformative movements. Devonian 474 



De la Beche and Lyell. Stratigraphic classification of 26 



Delaware limestone 28 



Delta deposits of sandstone, (late) Cincinnatian 311 



Dendrograptus flexuosus 668 



Deposition, Cycles of 314 



Area of maximum shifting of 566 



Effects of currents on 362 



Deposits in solution caverns 466 



