430 
INDEX 
Dynamical Geology, notes, 79 
Dynamics, continental, 88 
Earliest Tertiary, Physiography, 
by C. Keyes, 69 
Early trilobites, anatomy, 321 
Earth shine, cause, 304 
Earth sphericity changing, 81 
Earth’s crust, biplanation, 170 
Earth’s Future Mirro’d on Face of 
Mars, by G. H. Hamilton, 267 
Earth’s Surface, features, 177 
Echinoderms, development, 123 
Eckel, E. C., cited, 365 
Economic geology in America, 395 
Economy of thrusts, 94 
Edwin natural bridge, 218; floor, 
224; view, 224 ^ 
Eggleson, J. W., mention, 43 
Eigemann, C. H., cited, 24 
Eisner Hut, 278 
Elburz, volcanic cone, 88 
Elie de Beaumont, mention, 89 
Eliot, C. W., quoted, 55 
El Molino fauna, 241 
Emerson, B. K., bibliography, 44; 
response, 43; portrait, 1, 48; 
presentation, 41 
Emerson, E. H., mention, 43 
Emerson Geological Loving Cup, 
by C. Keyes, 41 
Emerson loving cup, view, 40 
Emmons, S. F., cited, 282, 391; quot¬ 
ed, 277 
Encrinital limestone, 307 
English Channel Cretacic, 255 
Eocene, marine in Mississippi em¬ 
bay men t, 75 
Epipodites in trilobites, 321 
Equador, Zorritos formation, 22 
Eral Affiliations of . Grassy Shale, 
by C. Keyes, 307 
Erosional Agencies under Variant 
Climatic Stimuli, by C. Keyes, 96 
Eruptive mountains, 26 
Evans, E., cited’ 19 
Everton formation, delimitation, 246 
Evolution, most critical episode, 
121; chart, 6 
Extent of Texas potash, 249 
Extension of marine Eocene, 75 
Extension of Triassic Coal-field in 
North Carolina, by J. H. Pratt, 
246 
Extinction of tetracoralla, by G. M. 
Hall, 322 
Fairweather beds of Patagonia, 23 
Falling star hypothesis, 87 
Faulting of Colemanite Beds, by C. 
Keyes, 411 
Faunas of Missouri, 38 
Faunas, South American, by F. B. 
Loomis, 61 
Featherstonaugh, G. W., quoted, 253 
Fennoscandia, 189 
Fernekes, G., cited, 378 
Fire, man’s use, 10 
First After-war Congres Interna¬ 
tional Geologique in Belgium, by 
C. Keyes, 51 
First Mention of Zinc Ofesi in 
America, by C. Keyes, 340 
Fischer, H., cited, 198 
Fishes, Devonic, 330 
Flexibiliate crinoids, 77 
Flexing of Canadian Front Ranges 
of Rockies, by C. Keyes, 171, 168 
(photo) 
Floral Continuity in Lance and 
Union Sections, by F. W. Knowl- 
ton, 67 
Fresh-water fossils in coals, 149; 
tertiaries, 406 
Fritzsche, C. H., cited, 241, 273 
Forbes, D., cited, 370, 385 
Ford, W. E, cited, 199 
Formation of Borates in Desert 
Playas, by C. Keyes, 410 
Formation of colemanite, 399 
Foshag, W. F., quoted, 410 
Fossil fuels, 139 
Fossils, localities in Missouri, 38; 
oldest, 162; pre-Cambrian, 327 
Fuchs, E., cited, 285 
Gale, H. S., quoted, 408 
Galena and Trenton relations, 255 
Galena Limestone Title, by C. 
Keyes, 252 
Galeniferous limestone, 253 
Gane, H. S., mention, 43 
Geikie, A., cited, 28; quoted, 233 
Genesis of natural bridges, 219 
Genessee slate in Illinois, 308 
Genevieve group, defined, 40; pro¬ 
posed, 39 
Geological Age Characteristics of 
Co^ls, by J. J. Stevenson, 139 
Geological climate, 301 
Geological Directrix of Isostasy, by 
C. Keyes, 90 
Geological Mentality in Making, by 
C. Keyes, 53 
