NEW YORK FORMATIONS 651 



Page Plate 



New York formations, Section of 388 



State Survey, Stratigraphic classification of . . 26 



terms to be broadly interpreted 390 



Niagaran . . 28 



deposits, Table of succession and geographic distribution of. 560 



limestones, Relations in Mississippi Valley 524 



oscillations 424, 559 



overlaps 558 ■ 



submergences i 497 



Niagaran-Onondaga contact 591 



Nichols shale , 618 



Nicholsonella 502 



Nidulites favus 327, 515 



Nidulites zone 321-329 



Nittany dolomite 552, 645, 653, 658 27 



Nittany Valley anticline 646 



Noix limestone . . 28 



oolite 28 



Nolichucky shale 613, 622, 636, 672 27 



Nomenclature of stratigraphic units 384 



in southeastern North America 608 



of time terms 393 



Stratigraphic, 1837-1911 26 



Nomenclatures, Dual 290 



Normal faulting 432 



Normanskill graptolite channels, Map of 368 



graptolites 371 



shales 443, 563 



shale fauna 512 



North-south tiltings of continent 406 



Notch Peak formation 612 



Obolus lambornei 623 



minimus 623 



sinoe 613, 623 



willisi 



623 



Ocala dome 



430 



Oceanic basins, Permanence of 



circulation reversed 



394 



353 



connections of continental seas 



currents 



571 



320 



"Ocoee series" 



674 



Ohio basin formations , 



in Kentucky. Indiana, and Ohio 



303 



shale 



527 



"Ohio Clinton" 



558 



Ohio Valley formations 



Ohian province 



486,523,570 



29 



28 



28 



