602 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Barrier beaches, Origin of 475 



Basin range, Geologic structure of. . 63, 64 

 — - — structure. Figure showing general 



conception of 83 



Bates creels to Sybille creelj. Character 



of Casper formation from 420 



Baylet, , Worlv of U. S. Geological 



Survey done by 9 



Becker, G. F., cited on age of Meguma 



series 101 



— , elected First Vice-President 521 



— , Relations of radioactivity to cosmog- 

 ony and geology 113-146 



BECQnERBL rays. Discovery of 114 



, Effect of 114 



— ■ — , Erciission by radium of 114 



Beginning and recession of Saint An- 

 thony falls ; by Frederick W. Sar- 



deson 29-52 



Bell, Doctor, cited on glaciation In 

 conglomerate of Lake Superior re- 

 gion 354 



Benton formation. Character of 451 



— ■ — , Fossils of 457-458 



, Section of 454, 457 



Bernhardt^ , cited on arid plains 



of German East Africa 85 



Bibliography : Gilder mound 254 



— : Heilprin, Angelo 531-537 



— • : Redstone quartzite 242 



— ■ : Saffiord, James Merrill 522 



Big Bae, California, Fossil plants of. . . 



379-382 



shells of 381 



— — , Plant beds of 379-382 



, Structure of 380 



Big Cottonwood formation. Age of. 231-236 



— , Character of 232-234 



■ — , Composition of 233 



■ — , Location and extent of 232 



. — , Stratification of 235 



river, Granitic rock area on 223 



— • — valley, Characteristics of.... 240-241 

 Bighorn limestone, Fossils and age of. 411 



.Location and characteristics of.. 



410-412 

 Big Sandy bay, Prince Edward county, 



Barrier bars at 474 



Billings, E., Reference to work by. . . . Ill 

 BiRDSEYE, Paleozoic rocks classified as. 163 

 BixBY, Maynard, Acknowledgments to. 189 

 BiXBTiTE, Occurrence in rhyolite cavi- 

 ties of 183, 191 



Black River limestone, Character of. . 163 



, Estimate of thickness of 168 



. — , Occurrence In Canadian sec- 

 tion of 167 



, Section along the 167 



Blasdalb, W. C, Abstract of paper on 



benitote by 569 



Boltwood, • , Age of uranium min- 

 erals computed by 134 



— , Discovery of ionium by Ho 



"BOLSON," Definition of "^'22 



— , Illustrations of term 65 



— • Dlains. Correct use of term 67 



__, Debris of 73, 74 



BoLSONS of northern Mexico '^'I„ 



. — , Stratigraphy of 72 



Bone fragments, Intrusion into loess of. 251 

 Bowling' Green, Ohio, Analysis of 



waters at 507 



BracJiiopoda, Classification of.. 545-550,552 



Brazil, Evidences of glaciation in 352 



Briggs, Lyman J., Analysis of La Plata 



Valley soil made by 54 



British Columbia, Carboniferous fos- 

 sils of ^"1 



_ _, Graptblite fauna of ^26-327 



Brock R W., cited on Huronian tillite. 35b 

 ^, Study of Lake Superior region by.. 12 



Page 



BuoGGER, , Study of Norwegian 



pegmatites by 135 



Brooks, Alfred H., cited on fossils of 



Mount McKinley region 324 



— , Investigations in Upper Yukon by. . 



257, 258 

 — ■ (and E. M. Kindle) ; Paleozoic and 

 associated rocks of the Upper Yu- 

 kon, Alaska 255-314 



— , Title of papers by 567 



— , Work on iron-bearing rocks of 7 



Brown, Will Q., cited on fossil plants 



of Nichols area 375 



— , Collection of fossil plants by 369 



— , Plant collection of 373 



Bryozoa, Classification of 548 



Bubbles, Formation of 208-209 



Buck peak. Composition of 373 



— — , Plant beds of 371 



— ■—, Fossils of the 373 



— ■ — , Relation to the Dothan formation 



of 374 



-of "Myrtle formation" to 373 



^ — , Section from 374 



■ region. Sketch map of 372 



Suchiola retrostriata. Occurrence of.... 288 

 Bulletins, Sale and distribution of. 514-516 

 Burial mounds, Occurrence in Missouri 



valley of 252 



Burlington bay, Enclosure by barrier 



beaches of 475 



Calciferous, Estimate of thickness of. 168 

 — , Paleozoic rocks classified as. . . 163, 164 



Calcium, Method of testing for 511 



Calico BlufE section. Composition of.. 288 



, Fossils of 292 



■ — , Unconformity of 292 



— . — , Yukon river. View showing 271 



— . upper end of 292 



California and Oregon, Maps of part 



of 320 



— , Conglomerate formed by a mineral- 

 laden stream in 147-154 



— , Inter - relationships o f intermont 



plains of Aoo ola 



— , Jurassic fiora in 368-869 



— mine, Characteristics of ore of 94 



, Description of ^^' ^§ 



, Occurrence of argentite at 96-97 



— galena at 95, 97 



— — lead at 94 



pronstite at "5 



siderite at 95 



. — silver at 94 



— . sphalerite at 95, 97 



, Paragenisis of the ores of 97-98 



Calhoun, P. H., Reference to work by. 340 

 Calvert, D. A., Analysis of Giant 



springs made by 343 



Calvin, Samuel, elected president 521 



Cambrian formation. Structure of 12 



, Termination of 1-2 



— , Meguma series supposed to be. . 100-101 



— (Middle), Characteristics of forma- 



tion of 407 



— , New Ulm basal conglomerate con- 

 tinuous with 229-231 



— system in central Wyoming 408-410 



. — . — , Deadwood formation 



of 408-410 



, Fossils of Deadwood for- 

 mation of 410 



.General relations of 



Deadwood formation of 408 



— - tillite, Occurrence of 354 



Camarotoechia, Occurrence of 283 



Cameron, A. T., cited on radioactive 



I 



processes 



118 



