POT-HOLES — PREGLACIAL 151 



Page 



Pot-holes north of lake Superior 1, 568 



Potomac flora, Derivation of the 3, 25 



— formation correlation correlated with the Kootanie. 5, 461 



, Description of 2, 436 



of Georgia 7, 514-517 



Virginia 9, 415 



, L. F. Ward's correlation of. 7, 12 



, Time limit of rock decay indicated by 6, 328-331 



, Relation of Greenland formations to 9, 366 



Potsdam sandstone of Clinton county, New York 6, 286, 287 



Minnesota 3, 335 



, Relations of the 2, 218 



in Wisconsin, Sections showing deposition of 10, 225 



Potter, W. B., Reference to work of 2, 219 



Pottery clays of the Appomattox 2,4 



Pottsvillk (The) series along New river. West Virginia ; D. White. 6, 305 



Powell, J. W., Acknowledgments to 2, 416 



— cited on the Colorado river 1, 268 



Green River canyon 7, 10 



Klamath mountains • 3, 374 



land oscillations 6, 69 



planation 10, 76 



plateau region 2, 328 



Point of Rocks group 8, 152, 156 



subaerial denudation 7, 377, 385, 394 



thickness of Cambrian quartzites 1, 221 



Triassic deposits 3, 25 



unconformities in the Plateau region 1, 250, 258 



Wyoming paleontology 8, 143, 146 



— , Donation of photographs by 2, 616 ; 3, 480 



— , Reference to term " Basin ranges " of 8, 88 



work of. 1, 47, 50 



— , Title of paper by 4, 423 



Powell, S. L., Fossils collected by 2, 318 



Prairies adjacent to Red river. Types of. 5, 300, 301 



— of Arkansas , : 2, 240 



Praot, J. H., Election of 10, 424 



Pre-Cambrian fossil iferous formations ; C. D. Walcott 10, 199 



— rocks 5, 101 



of Green mountains 7, 512 



Massachusetts 7,5 



New York 9, 240 



— sections in western Ontario 9, 231 



Pre-Cretaceous age of Pacific Coast range metamorphics 6, 77 



— formations of California 6, 72 



— series of the Pacific Coast ranges 6, 82 



Preglacial and postglacial valleys of the Cuyahoga and Rocky rivers ; 



W. Uphara 7, 327 



