582 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 

 Udden, J. A., cited on the Spirifer capax 



beds of Muscatine 281 



Uhler, P. R., cited on taxonomy of the Po- 

 tomac group (table) ]Q0 



Ulrich, E. O., Study of Stones River fossils 



by 12 



Una river, Brazil, Gneiss in bed of 69 



Unconformities, Photographs of, Catalog 



of 462,471 



Union formation, Nova Scotia, Meso-Car- 



boniferous age of. 533-535 



Uniontown coal and sandstone, Mononga- 

 hela formation of Maryland, Character 



and occurrence of 229 



United States Geological Survey, Work 



of 100-101 



— National Museum, Laboratory facilities 



of.„. 103 



Usina sTo Joao, Brazil, Width of valley floor 



near 53 



Use of the terms Linden and Clifton lime- 

 stones in Tennessee geology [abstract] ; 



August F. Foerste 531 



Utah, Geologic work in 107 



— , Joint veins in \ 521-522 



— , Photographs from, Catalog of. 434 



Uttca formation in Canada, Position and 

 character of. 518 



Vancouver island, Volcanic material in 265 



Van Hise, C. R.. cited on ancient volcanic 



rocks of the Lake Superior region 370 



enlargement of feldspar crystals 522 



greenstone schists of the Crystal 



Falls district 372 



replacement of silica by iron ore in 



Michigan mines 301 



— ; Geological excursion in Colorado 2-5 



— , Record of remarks by 9 



— , Work of 106, 109 



Van Horn, F. R., cited on hornblende-an- 



desite from Colorado 364 



Van Law, C. R., Acknowledgment to 5 



Variation of geothermal gradient in Mich- 

 igan [abstract] ; A. C. Lane 528-529 



Vaughan, T. W., Work of 108, 110 



Veatch, A. C, Work of. 105 



Veins, Photographs of, Catalog of. 471-472 



— , Joint, in Rainbow valley, Utah, Charac- 

 ter of. 521-522 



Vermont, Photographs from, Catalog of 434 



Vice-Presidents, Election of 486 



Virgilina district, Virginia-North Carolina, 



Age of rocks in 375-376 



, Comparison of rocks of with those of 



other areas 369-372 



, Eruptive character of rocks of 367-369 



, Map showing location of 358 



, Petrography of copper-bearing rocks 



of 359-363 



, Weathering of rocks in 374-375 



Virginia, Former extent of Newark sys- 

 tem in 140 



— , Geologic work in 104 



— , Photographs from, Catalog of. 435-437 



Volcanic features, Photographs of, Catalog 



of. 466 



Wadsworth, M. E., cited on ancient vol- 

 canic rocks of Lake Superior region 370 



New England 370 



Walcott, Charles D. ; Outlook of the Geol- 

 ogist in America: Annual address by 



the President 99-118 



— , Photographs by, Catalog of.. 386, 390, 394, 398, 



403, 411, 419, 428. 432, 433, 434, 436, 441, 442 



— , quoted on fossils from Altyn, Montana... 317 



the Siyeh limestone, Montana.. 



317, 318 



Page 

 Walcott, Charles D., Record of remarks 



by 519, 528 



— , Title of paper by 526 



— , Work of. 107, 111 



Walls of the Colorado canyon [abstract] ; 



W. M. Davis 528 



Walsh, T. F., Acknowledgment to 5 



Ward, L. F., cited on taxonomy of the 



Potomac group (table) , 190 



— , Fossils identified by ' 244 



— , Work of 110 



Warren, Charles Hyde, elected Fellow 487 



Washington, H. S., Work of. 109 



Washington, Geological work in 102, 107 



— , Photographs from, Catalog of 437-441 



Washington coal and limestone, Dunkard 

 formation of Maryland, Character, oc- 

 currence and thickness of 230 



Water from Brazil, Analysis of. 91 



Waterfalls, Photographs of, Catalog of.. 472-473 

 Waterton-McDonald valley. Montana, Fea- 

 tures of 312 



Watson, R. W., Acknowledgment to 5 



Watson, Thomas L., Anatyses by 364 



— ; Copper-bearing rocks of Virgilina Cop- 

 per District, Virginia and North Caro- 

 lina 353-3'6 



— , Title of paper by 538 



— , Work of 104 



Waves, Effect of shoreline on 528 



Waynesbtjrg coal and limestone, Mononga- 

 hela formation of Maryland, Character, 



occurrence, and thickness of. 229-230 



— "A" coal and sandstone, Dunkard forma- 

 tion of Maryland, Character and occur- 

 rence of. 230 



Weathering, Photographs showing, Cata- 

 log of 473-474 



Weed, W. H., cited on the Ducktown copper 



deposits of Tennessee 374 



ore deposits of the Virgilina district. 372 



rocks of the Virgilina copper dis- 

 trict 354, 368 



tuff at the Copper World mine .*. 360 



— , Photographs by, Catalog of 411 



— , quoted on the association of epidote and 



native copper 373 



fissure veins of the Virgilina dis- 

 trict, North Carolina 359 



ore deposits of the Virgilina dis- 

 trict, North Carolina 357 



— , Work of 106 



Weeks, F. B., Acknowledgment to 100 



Weidman, Samuel, Work of. 106 



Weller, Stuart, Acknowledgment to... 308-309 

 — , cited on fos'sils of southwestern Mis- 

 souri and northern Kansas 287, 288 



■ — Northview shale of Missouri 274 



— , Fossils collected by 317, 327 



— , quoted on the Kinderhook fauna 286-287 



— , Work of 104, 110 



Weston, T. C, Photographs by, Catalog of... 394 



West Virginia, Geological work in 101, 104 



— , Photographs from, Catalog of. 435-437 



Wheeler, H. A., cited on eeothermal gra- 

 dient 529 



White, C. A., cited on age of Maria Farinha 



beds 47 



fossils from Brazil 97 



Spirifer centronatus 286 



White, David, cited on fossil plants from the 



Pottsville formation 219, £20 



relative ages of Kanawha and Alle- 

 gheny series 121,123 



— ; Memoir of Ralph Dupuy Lacoe 509-515 



White, I. C, cited on Connoquenessing 



sandstone ; 219 



Mahoning limestone 223 



Pittsburg coal 227 



Westernport coal seam 220 



— , Dunkard formation named by.. 230 



