650 



BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



\ \s IIisk, ('. R., cited on causes ol delorma- 



tiotl 84, 86 



iron-bearing member, of Animikie... 507 



pre-Cambrian geology of the Black 



hills 581 



unconformity within the Huronian.. 112 



— ami l; I). Irving cited on ferruginous 



ch.it't'iiiin .Marquette region 112 



the basal conglomerate 11:5 



brown hematite 108 



Van Horn, Frank K., Commuting of dues 



by 515 



Vanuxkm, L., cited on Oriskany forma- 

 tion 300, 301 



— , quoted on the Oriskany formation 301 



Vaughan, T. W., cited on Wichita Mountain 



region 128 



— , Fossils collected by 143, 144 



Ykazky, 0. A., Acknowledgments to 157 



Vertebrate footprints on Carboniferous 

 shales of Plainville, Massachusetts ; J. 



B. Woodworth..." 449 



VlOLA, C, cited on geology of Lepini moun- 

 tains 208 



Virginia, Helderberg group in 27 L 



— , Oriskany formation in 315 



Vogt, J. H. L., cited on alteration of ore de- 

 posits 185 



copper in p\-rite deposits of Spain 



and Portugal 198 



gold and silver zone beneath the 



" iron hat" 201 



occurrence of native silver 188 



ore deposits 186 



— , quoted on copper in pyrite deposits 199 



Yolcanics of Neponset valley, Massachu- 

 setts; P. Bascom 115 



Volcanic rocks, acid, Analysis of. 121 



, Characters and occurrences of. 116 



, Mineral constituents of 117 



, basic, Characters and occurrences of.. 122 



, Analysis of. 124 



, fragmental acid, Characters and oc- 

 currences of. 118 



, porphyritic, Characters and occur- 

 rences of 125 



, Snoqualmie pass, Washington, Char- 

 acters and occurrences of. 225 



Vose, , cited on valley glaciers of -New- 

 England 439 



Waicott, C. D., cited on the Merostomes.... 338 



Oriskany formation in Alabama 323 



— , elected First Vice-President 520 



— , Photographs by 585 



— , quoted on the Lower Helderberg 243 



— ; Random, a pre-Cambrian Upper Algon- 



kian terrane 3 



— , Record of remarks by 592 



— , Title of paper by, 593 



Walker, W. EL, Analysis of acid voleanics 



by 121 



, basic volcanic rocks by 124 



Washington, H. S., cited on soda-rich rocks. 402 



— ; Igneous complex of Magnet Cove, Ar- 



kansas 389 



— , Title of paper by 604 



Washington, Oamasland valley in 217 



— ,• Fossil plants from Snoqualmie pass 224 



— , Oeology of region near Snoqualmie pass. 224 



— , Granites near Snoqualmie pass, in 226 



— , Sedimentary rocks in Snoqualmie pass.. 224 

 — , Tertiary granite near Snoqualmie pass.. 223 



— Volcanic rocks in Snoqualmie pass 225 



Washington meeting, Proceedings of 511 



, Register of 607 



Waterlihe formation in Ohio, Occurrence 



and character of. 352 



, Occurrences, character, and fauna 



Of 349 



Page 



Waterlihe formation, Salt basins of 338 



Watson, Thomas, Work on Indiana coal sur- 

 vey by 8 



Weed, W. II., Enrichment of mineral veins 



by later metallic sulphides 179 



— , Record of remarks by 595, 603, 604 



— , Titles of papers by 604 



— , and L.V. Pirsson cited on differentiation 



of magmas 407, 408 



laccoliths 4o7 



Weller, Stuart ; Reporton fossils from the 



Wichita mountains 142 



Windt, A. F., cited on oxidized ores of cop- 

 per 197 



Wenlock formation, Upper Silurian age of.. 246 



Wist Virginia, Oriskany formations in 315 



fossils from 315 



White, David, Record of remarks by 594 



— ; Relative ages of the Kanawha and Al- 



leghany series as indicated by the fos- 

 sil plants 145 



— , Title of paper by 594 



White, I. C, cited on Alleghany series.. 147, 148 

 fossil flora from Cannelton, Penn- 

 sylvania 150 



of Kanawha coals 162 



the Helderberg group in Pennsyl- 

 vania 270 



Kanawha series 157 



— Oriskany fossils in New Jersey and 



Pennsylvania 311 



Stockton coal 168 



— elected Treasurer 520 



— quoted on the Oriskany in New Jersey... 310 



— , Record of remarks by 2, 7, 10, 583, 594 



— , Treasurer's report by 515 



White, Thkodore C, Commuting of dues 



by 515 



Whiteaves, J. F., Record of remarks by 6 



White clay, Occurrences and character of.. 484 

 Whitfieldella cf. loevis (Whitfield), De- 

 scription of. 369 



— , Figures of. 375 



— cf. rotundata (Whitfield), Description of... 368 



— , Figures of 375 



— , sulcata (Vanuxem), Description of 367 



— , Figures of. 375 



Whitney and Silliman cited on mineral 



alterations 190 



Wichita mountains, Oklahoma, Age of 142 



, Alluvial deposits of 141 



, Blue Creek series in 138 



, Carrollton Mountain porphyry of. 136 



, Character and age of rocks of. 133 



, Cretaceous and Tertiary deposits in... 141 



, Crystalline rocks of 135 



, Fossils from 142 



, Geology of. 127 



, Geronimo series in 140 



, Physiography of 130 



, Quana granite of 137 



— — , Raggedy Mountain gabbro of. 136 



, Rainy Mountain limestone of 138 



, Red beds in 141 



, Section of sedimentary series in 139 



, Sedimentary rocks of. 138 



, Sketch map* of 129 



, Trenton fossils from 144 



Williams, H. S., cited on the Lower Helder- 

 berg 242 



— , Discussion by, on the Catskill forma- 

 tion 594 



— , Helderberg group in Indian Territory 

 identified by 273 



— quoted on rock systems 244 



— , Record of remarks by 5, 7, 588, 593 



— ; Silurian-Devonian boundary in North 



America,.... 333 



— , Titles of papers by 6, 593 



Williams, J. F., cited on analysis of amphi- 



bole-monchiquite 406 



