bEt^ORMATlON — bEPAKTtJRlJ 47 



Page 



Deformation in southeastern United States 3, 502 



Texas 2, 518 



and New Mexico 3, 85 



upper Mississippi valley 5, 231 



western New York 10, 66 



— , IMathematics of 4,17 



— of California rocks.. .'. 3, 378 



crystalline rocks • ■ 2, 322 



Paleozoic rocks 2, 156, 228 



Triassic rocks 2, 455, 418 



— and erosion, Relations between. 2, 234 



its resulting phenomena 4, 12 



— on the Pacific coast 5, 453 



— , Pleistocene 3, 65, 508 



Deforming agencies affecting shorelines 6, 146-149 



De Geer, Gerard, cited on isobases. 7,4 



Degradation, Relation between deformation and 2, 234 



De la Beche, Henry, cited on the Carboniferous rocks 2, 17 



shore forms .• 7, 406 



Delaware, Ancient forest in ■ 2, 640 



— , Cretaceous deposits of 6, 479 ; 8, 315 



— BAY, Changes in shores of 6, 155 



— RIVER, Submarine channel of 2, 324 



De LoRior,, P., cited on fossils from the Portlandian 5, 425 



Greenland invertebrates 9, 356 



— , Figtiring of fossils by 5, 421 



Def. Rio, Texas, Geology of region near 3, 220 



Delta at Tacoma, Washington 9, 151 



— of the Yukon 1, 110 



Deltas, Ancient 2, 247 



— of glacial lakes of Western New York 6, 353 



Duwamisli valley 9, 128 



— — Mohawk valley 9, 195-197, 199, 202 



Denison beds, Definition of 2, 504 



, Description of 5, 327-330 



— section of Red river compared with Austin section 5, 319 



, Description of. . 5, 324 



Denmark, Island-tying on coast of. 7, 422 



— , Morainic drift hills in 7, 28 



— , Reference to glacial phenomena in 6, 7 



— , Shore currents on coast ot 7, 421 



forms on coast of 7, 405, 410, 415, 416 



Dent, H. C, cited on rock decay 7, 261 



— quoted on Brazilian temperatures ; . . . . 7, 286 



— , Reference to photograph by 7, 278 



Denton, A. J., Collection of fossils by 3, 121 



Denudation, Marine and subaerial 2, 557 ; 7, 377 



DEPAR'ruRE of ice-sheet from the Laurentian lakes ; Warren Upham 6, 21 



