536 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Stevenson, J. J., Coal Measures section of 



Arkansas published by 182 



Stokks, H. N., Analysis by 389 



Stone, G. H., cited on origin of potholes 28 



potholes in Idaho 38 



Maine 34 



— quoted on potholes in Idaho 39 



Stokm beaches, lake Superior, features of... 213 

 Storms, W. H., cited on structure of the 



Mojave desert 240 



Stratigraphy of the Black hills, Compari- 

 son of, with the Front range of the 



Rocky mountains 478 



Strong, Moses, cited on alternation of detri- 

 tal and igneous deposits in Minnesota.. 337 



— quoted on charactei- of rocks along the 



Saint Croix 324 



Structure and origin of the Basin ranges, 



Paper on, by Spurr f. 217 



Sturgeon lake, Keewatin rocks near... 345, 353 



SuBGLACiAL potholcs. Localities of 29 



SurEKioR glacial lake, Outlet of the West- 

 ern 21 



— , Lake, fluctuations of level of. 216 



, Lagoon and marsh deposits at 210 



, Recent changes in level of 203 



, Shore formations of. 206 



, Topography of bottom of. 203 



, Wisconsin shore of 197 



Swan Lake creek. South Dakota, Flood re- 

 lief channel of Missouri river and 488 



Sweden, Potholes in 39 



Switzerland, Potholes in 40 



Taff, J. A., Photographs by 



Tarr, R. S., cited on theory of peneplains.. 



Tatlayocco beds, Occurrence and character 

 of. 75 



Taxonomic equivalents of the Hudson River 

 beds near Albany, New York 



Taylor, F. B., cited on glacial deposits of 

 Saint Louis river, Minnesota 



high-level beaches in southern On- 

 tario 



— outlet of Western Superior glacial 



lake 



— , Lake Duluth named bj' 



— , Record of remarks by 



— , Title of paper bj' 



Taylors Falls, .Minnesota, Figure showing 

 succession of lava flows at 



, Volcanic and other rocks at 



Tennessee, Character and thickness of Silu- 

 rian formations in 



— , Characteristics of Silurian outcrops in .. 



— , Clinton fossils from, lists of 437, 



— , Levonian limestone in Harpeth River 

 region of 



and Silurian limestones of. 



— , Fossils from Louisville limestone of 



Pegram limestone of 



Waldron formation of. 



— , Leipers Creek bed in 



— , Ordovician formations in 



— , Sections of the Silurian in 



— , Silurian and Devonian limestones of. 



— , Subdivisions of the Silurian in 



— , Unconformity between Silurian and 

 Devonian in 



Tenth Annual 3Ieeting, Proceedings of 



Terraces, River, block diagram of. 



of the Saint Croix valley 



, Origin of 



Tertiary era. Physical history of Rocky 

 Mountain region in...; 



— rivers in the Saint Croix basin 



— rocks, Thickness of, in Rocky Mountain 



region 



in Canadian Rocky Mountain region, 



Description of.,... 



471 

 481 



, 76 



11 



347 



138 



21 

 121 

 479 

 491 



341 

 321 



401 

 396 

 438 



426 

 395 

 443 

 444 

 442 

 432 

 431 

 .397 

 395 

 397 



408 

 445 



484 



19 



484 



89 

 23 



89 



79 



Page 

 Tertiary-Pleistocene erosion in the Great 



Basin province 249 



Texas, Equivalency of coalfields of Western 



Literior to those of 186 



Theory (A) of origin of svstems of nearly 



vertical faults; W. H. Hobbs 10 



Thompson glacial lake, Position and extent 



of 123 



Thomson, Minnesota, Graywacke and gray- 



wacke slate at, view showing 376 



, Slate quarry at, view of. 376 



— series of Minnesota, Occurrence and 



character of 345 



" Three Sisters," Oregon, Notes on the geol- 

 ogy of 498 



TiNTic RANGE, Utah, Structure of. 219 



Tipton, Pennsylvania, Age of the coals at... 473 



— — , Sequence of geological formations at.. 474 

 Todd, James E., River action phenomena.... 486 



ToMBOi.os, Occurrence of. 212 



— , Lake Superior region 212 



Topography and faulting. General relations 



between 258, 268, 269 



ToQuiMA RANGE, Ncvada, Structure of. 230 



Tower, G. W , and Smith, G. O., cited on de- 

 formation in the Great Basin province... 242 



structure of the Tintic range... 219 



Toyabe RANfjE, Nevada, Structure of. 230 



Tranquille beds, Occurrence, character, 



and thickness of 81 



Trap rocks in the Dalles of the Saint Croix, 



Age of 23 



Traquair, R., cited on McArras Brook fos- 

 sils 311 



Treasurer, Report of. 450 



— . L C. White elected 453 



Trenton conglomerate, Geologic signifi- 

 cance of. 162 



in New York 162 



— formation. Basal conglomerate of. 154 



, Fossils of, in New Jersey 1.57 



, Occurrence and character of. 154 



— limestone. Chemical composition of. 157 



, C£)rrelation of, in New York and New 



Jersey 159 



, Occurrence and character of. 156 



, Thickness of 156 



Triassic period, Physical history of Rocky 



Mountain region in 86 



— rocks in British Columbia, Occurrence 



and character of. 72 



, Nicola formation 72 



on Queen Charlotte islands, Occur- 

 rence of. 73 



Vancouver island. Occurrence of..... 73 



, Thickness of, in Rocky Mountain re- 

 gion 88 



, Vancouver series 72 



Tuff cone at Diamond Head, Hawaiian 



islands [abstract]; C. H. Hitchcock 462 



Turner, H. W., cited on deformation in the 



Sierra Nevada region 243, 244 



— ; Geology of the Great Basin in eastern 

 California and southwestern Nevada 



[abstract] 498 



— , Photographs by 470 



— , Title of paper by 2 



Twelfth Summer Meeting, Proceedings 



of. I 



Tyrrell, J. B., Work in Cariboo district by.. 59 



Ulrich, E. O.. cited on fossils from Leipers 



Creek bed, Tennessee 4.32 



— , Fossils identified by 444 



Unconformity, Depositional measure of 173 



— at base of Coal Measures in Mississippi 



valley. Extent of 174 



, Nature and extent of. 187 



— between Silurian and Devonian in Ten- 



nessee, Evidence of. 408 



