INDEX 
Physiography, age of Ozarks, 264; 
paradox of desert, 161; provinces 
of Arizona, 231 _ 
Piedmont Pennsylvania, .anortho¬ 
sites, 29 
Pierce shales, 337 
Pioneer Geological Explorations of 
Edwin James, 273 
Plants, fossil, interpretation, 9 
Plateau plains of deserts, 170 
Playfair, J., cited, 55 
Pliocene rocks of South America, 
216 
Political inherancy of geology, 327 
Portraits, James, Edwin, 273; Mc¬ 
Gee, William John, 349; Nuttall, 
Thomas, 1; Salisbury, Rollin 
Daniel, 97; Springer, Frank, 177 
Poseidon, 372 
Positions of ancient continents, 367 
Powell, J. W., quoted, 132 
Prairie du Chien dolomite, 322 
Pre-Cambrian schists of Arizona, 300 
Precursor of Modern Mining Orga¬ 
nization, 87 
Problems of Great Basin, 223 
Proterozoic Quartzites of Arizona, 
229; schists of Arizona, 235; sedi¬ 
ments of Arizona, 411 
Puerco shales, 337 
Pumpelly, R., cited, 345; quoted, 
369 
Pyramid conglomerates, 338 
Quartzites, Mazatzal, of Arizona, 299 
Quaternic Era, bridging ages of ice, 
349; rocks of Arizona, 249 
Rainbow natural bridge, 288 
Ransome, F. E., cited, 30, 66; quot¬ 
ed, 304 
Raton peneplain, 125 
Reade, T. M., quoted, 58 
Red drift of Minnesota, 384 
Red Wall limestone, 411 
Research Problems of Great Basin, 
223 
Reseau pentagonal, 56 
Reyer, E., cited, S4 
Reyer hypothesis of crustal glide, 
52 
Reynard, A., cited, 12 
Richarz, S., Basaltic Rocks of 
Northern Bavaria, 112 
Richarz, S., cited, 112, 252 
Richthofen, F. von, quoted, 369 
433 
) ' 
Rio Grande region. Paleozoics, 154 
Rio San Juan, intrenched meanders, 
view, 288 
Road building and agriculture, 285 
Roberts, J. K,, Terebratula from 
Maryland, 19 
Rocky Mountains, absence of Lara- 
mian, 150; diastrophism, 123; mon- 
adnocks, 127; summital plain, 129 
Rogers, H. D., cited, 53 
Rogers, W. B., cited, 53 
Rothpletz hypothesis of crustal up¬ 
heaval, 52 
Rowe, R. B., quoted, 256 
Ruedemann, R., Positions of An¬ 
cient continents, 367 
Rural welfare, geology, 283 
Russell, I. C., quoted, 360 
Sajan direction, 369 
Salisbury, Rollin D[aniel], Biogra¬ 
phy, 97; portrait, 97; teacher, 104 
Salisbury, R. D., cited, 378, 387 
San Andreas limestone, doubtful ex¬ 
istence, 159 
San Juan river, meanders, view, 288 
Sand-drifting on arid piedmonts, 173 
Santa Catharina sequence of Brazil, 
200 
Santa Ritan series, 338 
Sao Bento series of Brazil, 200 
Sardeson, F. W., Employment of 
Geologists, 268; Glacial Drift 
Sheets in Minnesota, 383 
Sardeson, F. W., cited, 316; quoted, 
325 ' 
Scarp of Hurricane fault in Utah, 
288_ 
Scarpitta Bronze of Springer, 177; 
portrait, 177 
Schoewe, W. H., Southernmost Ex¬ 
tension of Kansas Tills, 378 
Schlosing, T., cited, 408 
Schoolcraft, H. R., cited, 315 
Schrauf, E., cited, 31 
Schuchert, C., quoted, 21, 147 
Sederholm, J. J., quoted, 368 
Seligman limestones, 338 
Shakopee dolomite, 325 
Shaler, N. S., cited, 357 
Shepard, E. M., cited, 264 
Shimek, B., cited, 406 
Shipton, W. H., cited, 320 
Shiwits shales, 338 
Shumard, B. F., cited, 264, 316, 325, 
341, 344 
