594 



INDEX. 



Englacial drift, i, 282 

 England, Cambrian of, ii, 271 



Cretaceous, Lower, iii, 126 



Devonian of, iii, 443 



Eocene of, iii, 215 



Jurassic of, iii, 70 



Middle Jurassic, coal of, iii, 73 

 iron ore of, iii, 73 



Mississippian of, ii, 513 



Oligocene of, iii, 249 



Ordovician of, ii, 340 



Pennsylvanian of, ii, 585 



Permian of, ii, 626, 628 



Pliocene of, iii, 318 



Triassic of, iii, 33 



(See also Great Britain) 

 Englewood limestone, iii, 68, 



567 

 English, T., cited, iii, 251,279, 



3i8 

 Engonoceras, iii, 134 

 Enlargement of crystals, by sec- 

 ondary growth, i, 435 

 Ensis, iii, 295 



directus, iii, 292 

 Enstatite, i, 400, 462 

 Enteletes hemiplicata, ii, 616, 



617 

 Eocene amphibians, iii, 240 



artiodactyls, iii, 236 



birds, iii, 240 



camels, iii, 236 



creodonts, iii, 236 



edentates, iii, 238 



foraminifera, iii, 241 



gastropods, iii, 243 



grasses, iii, 231 



horses, iii, 235 



insectivores, iii, 239 



insects, iii, 240 



land animals, iii, 228 



life, general conditions, iii, 

 221 



marine mammals, iii, 239 



molluscs, iii, 243 



oreodons, iii, 236 



pelecypods, iii, 243 



perissodactyls, iii, 235 



placentals, iii, 228 



primates, iii, 239 



reptiles, iii, 240 



rodents, iii, 238 

 Eocene period, iii, 191 



Bridger stage, iii, 208 



close of, iii. 214, 221 



conditions during, iii, 213 



duration of, iii, 212 



formations and physical his- 

 tory of, iii, 196 



Ft. Union stage, iii, 205 



geography of, iii, 220 



igneous activity of, iii, 212 



Uinta stage, iii, 209 



Wasatch stage, iii, 208 

 Eocene system, Africa, iii, 219 



Alabama, section of, iii, 199 



Asia, iii, 219 



Atlantic coast, iii, 198 



Australia, iii, 219 



brackish-water beds, iii, 202 



Eocene system, British Columbia, 

 iii, 203 



California, iii, 201 



Central America, iii, 220 



coal of, iii, 202 



Europe, iii, 215 



foreign, iii, 215 



Gulf border, iii, 199 



map of, iii, 197 



oil of, iii, 201 



Pacific coast, iii, 200 



South America, iii, 219 



terrestrial formations, iii, 204 



Texas, iii, 200 



West Indies, iii, 220 

 Eocene vegetation, iii, 226 

 Eocystites longidactylus, ii, 286 



primaevus, ii, 286, 299 

 Eolian deposits, Pleistocene, iii, 

 446 



in west, iii, 454, 474 

 Eolian rocks, i, 469 

 Eoscorpius carbonarius, ii, 611 

 Eotrochus concavus, ii, 532 

 Epeirogenic movements, i, 537 

 Epicontinental seas, i, II, 326 

 Epldote, i, 431, 462 

 Epihippus, iii, 235 

 Eporeodon sociates, iii, 234 

 Equisetae, geologic contribution 

 of, i, 657 



Triassic, iii, 40 

 Equisetales, ii, 596 



Carboniferous, ii, 597 



Devonian, ii, 493 



Mississippian, ii, 537 



Triassic, iii, 38 

 Equisetites, Permian, ii, 642 

 Equus, iii, 323 



beds, iii, 564 

 Eras, i, 17-19 

 Eretmocrinus remibrachiatus, ii, 



525 

 Erian series, ii, 426 

 Erosion, affected by rotation, i, 

 194 



analysis of, i, no 



base-level of, i, 60 



by glaciers, i, 281-286 



by rain, i, 57 



by rivers, i, 56-177 



by undertow, i, 342, 346 



by waves, i, 342-349 



by wind, i, 38 



conditions affecting rate of, 

 by glaciers, i, 283 



conditions affecting rate of, 

 by running water, i, 123 



cycle of, i, 80, 82, 164 



in arid regions, i, 131 



influenced by climate, i, 127, 

 128, 129 

 composition of rock, i, 124 

 declivity, i, 123 

 structure, i, 124, 126 

 vegetation, i, 129, 644 



sheet, i, 59 



subaerial, i, 58 

 Erosion and cleavage planes, i, 

 125 



Erosion and joints, i, 125 

 Erosion by streams (see Erosion 



by running water) 

 Eruptions, i, 591 



fissure, 1, 593 



igneous, Cretaceous, iii, 167 



volcanic, i, 594 

 Escabrosa limestone, iii, 575 

 Escombe, cited, ii, 605 

 Escondido formation, iii, 201 

 Eskers, i, 306; iii, 314 

 Esmeralda formation, iii, 266 

 Esopus grit, ii, 422 

 Etheridge. R., cited, ii, 272 

 Etna, i, 605, 610 



discharge of stream, i, 636 

 Eucalyptocrinus crassus, ii, 403 

 Eucalyptus, iii, 132, 173 

 Euconulus fulvus, iii, 410 

 Eugnathus athostomus, iii, 87 

 Eumetria, ii, 531 



marcyi, ii, 532 

 Eumys, iii, 253 

 Eunicites, varians, ii, 363 



gracilis, ii, 363 

 Euomphalus, Onondagan, ii, 466 

 Eupachycrinus magister, ii, 616, 



617 

 Euphoberia armigera, ii, 611 

 Eureka District, Nevada, section 



of strata, iii, 576 

 Eureka quartzite, iii, 576 

 Eureka rhyolite, iii, 572 

 Eureka shale, ii, 562; iii, 60 

 Europe, Archean of, ii, 158 



Cambrian of, ii, 270 



Carboniferous of, ii, 584 



chalk of, iii, 169 



close of Jurassic in, iii, 79 



Cretaceous of, iii, 167 



crustal movements of Mio- 

 cene in, iii, 280 



Devonian of, ii, 441 



Eocene of, iii, 215 



Glacial period of, iii, 42 



iron-ore in Cretaceous of, iii, 

 170 



iron-ore in Lower Cretaceous 

 of, iii, 128 



Jurassic of, iii, 70 



Lias of, iii, 72 



Lower Cretaceous of, iii, 126, 

 128 



Lower Jura of, iii, 72 



Middle Jura of, iii, 73 



Mississippian of, ii, 511 



Miocene of, iii, 276 



Oligocene of, iii, 248 



Oligocene coal of, iii, 250 



Oligocene igneous rocks of, 

 iii, 251 



Ordovician of, ii, 338 



Pennsylvanian of, ii, 585 



Permian of, ii, 625 



Pleistocene of, iii, 421 



Pleistocene life of, iii, 498 



Pliocene of, iii, 318 



Proterozoic of, ii, 215 



Silurian of, ii, 395 



Triassic of, iii, 30 



