746 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Tarr and Martin ; Recent changes of 

 level in the Yakutat Bay region, 

 Alaska, Reference to 174 



Talbot, Mignon ; A new Dinosaur from 

 the Triassic of the Connecticut 

 Valley (extempore) 94 



Taylor, Frank Bursley ; A study of 

 ice-sheet erosion and deposition in 

 the region of the Great Lakes (ex- 

 tempore, with maps and abstract) 



65, 727 



Taxonomic parallels (American), The 

 pre-Cambrian of Sweden, with com- 

 ments on 55, 719 



Terraces of Mount Toby, Cirques and 



rock-cut 681 



Tertiary and Cretaceous formations of 

 western North Dakota and eastern 

 Montana (abstract) ; A. G. Leon- 

 ard 63, 722 



modern marine f aunal barriers 



and currents. The natvire of ; W. H. 

 Dall 93, 218 



Thermal activity in Yellowstone re- 

 gion. Duration of 108 



"Thermal Springs," by Arnold Hague, 



Reference to 104 



of Yellowstone Park, Classifica- 

 tion and composition of 114 



Thoroddsen, Th. ; Lysing Islands, Ref- 

 erence to 129 



Thorkelsson, Thorkell ; "The hot 



springs of Iceland," Reference to.. 120 



"Through Valley," Illustration of 179 



Tight, William George, Memoir of 

 (with bibliography and portrait), 

 by J. A. Bownocker 19 



Topographic maps. Relief patterns in.. 129 



, The primary unit of the subdi- 

 vision in 131 



Topography, Checkerboard 129, 152 



— , Typical fault 125 



fold 126 



Travertine and siliceous sinter. Vege- 

 tation of hot springs the formation 

 of 116 



— of Mammoth Hot Springs, Oldest de- 



posit of 108 



Treasurer's report 58 



— - — of the Paleontological Society .... 89 

 Trilobites, Discovery of antennie and 

 other appendages of Middle Cam- 

 brian 96 



Turtles accredited to the Judith River 



formation. Remarks on the fossil . . 95 



Ulrich, E. O. ; On the derivation of 



Paleozoic faunas (read by title)... 96 



— quoted on the distribution of Grapto- 



lite faunas 236 



— : Revision of the Paleozoic systems 



of North America 63, 289-680 



— ; The relations of Paleozoic bryozoa 



to paleogeography 93, 252 



Underground temperatures in the 

 United States; presented without 

 manuscript by N. H. Darton ... 54, 716 

 Ungulates, Aftonian mammalian fauna 210 

 United States Geological Survey, Anal- 

 yses of rhyolite made by 112 



Utica and Frankfort (The) shales of 

 the Mohawk Valley (abstract) ; 

 Rudolf Ruedemann 63, 720 



Van Hise, C. R. ; The origin of the 



dells of the Wisconsin, Reference to 145 



Van Horn, Frank R. ; The occurrence 

 of silver, copper, and lead ores at 

 the Veta Rica mine. Sierra Mo- 

 iada, Coahuila, Mexico. (Abstract.) 



67, 738 



Page 



Van Ingen, Gilbert ; Attention called 

 to action of Pennsylvania Rail- 

 road requiring permission for geo- 

 logic work by 91 



— ; The Shawangunk grit and its facial 



relationships (extempore) 55 



Varanosaurus from the Permian of 



Texas, A mounted skeleton of 95 



Vaughan, T. Wayland ; The physical 

 conditions under which Paleozoic 

 coral reefs were formed 93, 238 



Vertebrate Paleontologists (American 

 Society of), Amalgamation with the 

 Paleontological Society of 87 



Vertebrates, The paleogeographic sig- 

 nificance in Paleozoic strata of 

 land ; S. W. Williston 94 



Veta Rica mine, Sierra Mojada, Coa- 

 huila, Mexico, Occurrence of silver, 

 copper, and lead ores at the. . . 67, 738 



Volcanic vents. The mesh-like arrange- 

 ment of 148 



Voss, E. L., cited on aridity of Ceara, 



Brazil 206 



Walcott, Charles D. ; Discovery of 

 antennse and other appendages of 

 Middle Cambrian trilobites (extem- 

 pore) 96 



— ; Fossil medusae from Cambrian rocks 



of British Columbia (extempore) . . 95 



— quoted on the ArchceocyathincB 246 



Walther, ; Origin and peopling of 



the deep sea, Reference to 267 



Weed, Walter H. ; Formation of trav- 

 ertine and siliceous sinter by the 

 vegetation of hot springs, Refer- 

 ence to 116 



Weller, Stuart ; Are the fossils of 

 dolomites indicative of shallow, 

 highly saline, and warm seas?. 93,227 

 — ; Genera of Mississippian loop-bear- 

 ing brachiopoda 92 



— and T. W. Stanton, Auditors ap- 



pointed for the Paleontological So- 

 ciety 89 



Weston, Thomas Chesmer, Memoir of 



(with portrait), by Robert Bell 32 



Wethered, Edward B., quoted on Cara- 



hyba rock of Bahia 190 



White, David ; Gigantopteris Schenk, 

 its character and occurrence in 

 America 91 



White, C. A. ; Paleontology of Brazil, 



Reference to 191 



White, David ; The value of floral evi- 

 dence in marine strata as evidence 

 of nearness of shores 93, 221 



Whitfield, Robert Parr, Memoir of 

 (with bibliography and portrait), 

 by John M. Clarke 22 



WiELAND, G. R. ; The cotyledonary node 



of Cycadeoidea (extempore) 91 



Williams, H. S., R. S. Tarr, and E. M. 

 Kindle ; Geologic atlas of the 

 United States, Watkins Glen-Cata- 

 tonk folio (field edition). Refer- 

 ence to 152 



Williams, H. E., quoted on limestone 



bluffs near Rio Salitre Falls, Bahia 194 



Willis, Bailey, Reference to sympo- 

 sium of outlines of geologic his- 

 tory, with especial reference to 

 North America, of 246 



Williston, S. W. ; A complete skeleton 

 of a new group of large reptiles 

 from the Permian of New Mexico 

 (extempore) 95 



