632 E. O. ULRICH INDEX TO 



Page Plate 



Chemung formation . . 28 



Chepultepec chert formation 549, 638 27 



fauna 639 



Cherokee shale 29 



Chester group 428 



sandstones 476 



Chesterian 29 



Chicago • • 28 



Chickamauga limestone 478, 556 27 



Chilhowee 616 



axis 626 



sandstones and shales 



sequence 618 



Chilho wee-Green Mountain barrier 371. 625, 626 



Chouteau limestone . . 29 



Christiania bed 322 



fauna 



Cincinnati axis 569 



dome, Distribution of formations on 417 



fossils 501 



formations . . 27 



geanticline, Differential movements of 416 



Cincinnatian . . 27 



(late) erosion in northern Appalachian areas 311 



limestones and sbales. Thickness of 383 



Clarke, J. M., on origin of black shale 356 



Clarke and Schuchert. on Beekmantown 649 



Classification by diastrophic movements 595 



Causes of present instability of 289 



Criteria and principles of stratigraphic 394 



of Chamberlin and Salisbury 294 



Principles of 574 



Classifications, stratigraphic 375 26 



Classification categories 580 



Clastic deposits associated with diastrophic activity 578 



material, Character in various systems of 601 



sediments as measure of diversity of relief 344 



Clear Creek chert 28 



Cleiocrinus grandis 326 



Clermont shale . . 28 



( 'leveland shale 527 29 



Clidophorus neglecta 309 



Climacograptus spinifer 323 



Climate in past ages 319 



Present abnormalities of • 319 



Climates. Cool, as cause of black shale deposition 359 



Climatic variations 352 



causes 353 



clinch sandstone 28 



