INDEX TO VOLUME 17 



783 



Page 

 Walcott, C. D., cited on fossil fish in 

 Ordovician sandstone, Canyon City, 



Colorado 542 



—fossils of Champlain valley... 585 



— occurrence of Olenellus 576 



Olenellus gilberti 22 



• Ordovician near Canyon City, 



Colorado 557 



section near Canyon City, Col . 561 



— , Photograph of Ordovician rocks and 



Harding sandstone hy . . . . plate 78 . 556 

 — shale near Canyon City, Colo- 

 rado, by plate 79 . 562 



— ■ ■ weathered Bighorn limestone 



by plate 76. 552 



— , Title of paper by ... 560, 724 



Wales, Basal Paleozoic beds of . . . 587-588 

 Walker, T. I., Record of remarks by.. 



692, 702 

 Wallace formation, Character, forma- 

 tion, and thickness of 14, 15 



— — , Equivalent of 15 



— ■ series, Age of . 26 



, Correlation of 20 



Walther, J., Title of paper by 294, 658 



Washburne, C. W., Abstract of paper 



on the Olympic mountains by. . 454-455 



— cited on probable composition of the 



Olympic mountains 457 



— , Reference to geological survey work 



by 452 



Washington county, Ohio, Section in. . 



123-124, 194-196 



, Pennsylvania, Section in. . . . 181-182 



— , Geological reconnaissance of Olym- 

 pic peninsula of 351-368 



Washington, H. S., Title of paper by. 520 

 — , Pennsylvania, Section near 107 



— reds, Location and character of.... 162 

 Washita formation, Character and 



thickness of 624 



Watson, T. L., cited on occurrence of 



unakite granite 530 



— , Title of paper by 719 



Watson, T. M. ; Lithological characters 



of Virginia granites 523^540 



Way land, R. G., Reference to geological' 



survey work by 452 



Wayne county, Tennessee, Section in. . 603 

 Webster, Ohio, Allegheny formation at. 



131, 132 



Weidman, S., Title of paper by 719 



Weller, Stuart, cited on fossils at 



Deadman creek, Colorado 565 



■ fossil crustaceans of the Lewis 



range 17 



— . Hardyston quartzite of N. J. . . 575 



— ■ section near Springfield, Mis- 

 souri 5!>0 



West Baldy, Colorado, Drift deposits 



on 262 



, Origin of drifts on 263, 2<>4 



, Volcanic rocks on 262, 263 



, View showing landslide ma- 

 terial near plate 27 . 264 



Westgate, L. G., Life membership se- 

 cured by 675 



Westmoreland county, Pennsylvania, 



Section in 92 



West Virginia, Allegheny formation 



in 131-153 



— . — , Conemaugh formation in.... 160,161, 



202-216 



— — , Northern Panhandle of Cone- 



maugh formation in 182-184 



Wetzel county, West Virginia, Section 



in 204-205 



'Whan coal bed, Occurrence of Ill 



White, David, Acknowledgments to. . . 65 



— cited on Allegheny formation in 



Pennsylvania 81 



Page 

 White, David, cited on boundary be- 

 tween Pottsville and higher meas- 

 ures 217 



coal measures in Tioga and 



Potter counties, Pennsylvania. ... 94 

 — ■ — — ■ correlation of the Bloss coal 



bed 88 



flora of Allegheny formation . . 69 



■ fossiliferous shales 138, 139 



occurrence of non-marine pro- 

 gressive overlap in the Pottsville 



formation 634 



plant remains in the Pine Creek 



coal beds 81 



— , Diagram showing relationships of 

 different series in the Pocono for- 

 mation by 635 



— elected Councillor 680 



— , Record of remarks by 702 



White, I. C, Acknowledgments to. . . . 65 

 — - cited on a limestone akin to the 



Vanport 79 



• at Dingess, W. Va 153 



— Allegheny formation 105, 109 



• ■ — -at McDonald station, 



Pennsylvania 106 



— — — in Beaver county, Penna . 104 



Butler county, Penna. 102 



— Lawrence county, 



Pennsylvania 103 



— ■ — Mercer county, Penna . 103 



Monroe county, Ohio.. 123 



• — Ohio 128 



— Preston county, W. Va. 94 



— Tioga countv, Penna. . 90 



— — — ■ West Virginia . . . 108, 132, 



133, 135, 153 



— ■ Brookville coal bed 135 



— ■ Brush Creek coal bed 158 



limestone 158 



— ■ Butler sandstone 71 



— ■ — — Cambridge limestone 176 



— coal section in Preston county, 



West Virginia 88 



Conemaugh formation 



165, 179-180, 181, 182. 186, 192 



— ■ in Beaver county, Penna. 178 



— ■ — Butler county, Penna. 177 



— Huntingdon county, 



Pennsylvania 164 



Lawrence county, 



Pennsylvania 177 



— — Marshall county, West 



Virginia 183 



Monongalia county. 



West Virginia 204-205 



Salisbury sub-basin, 



Pennsylvania 167 



Tucker county, W. Va . 165 



— West Virginia... 207, 208, 



209, 210. 215, 216 

 — - — ■ — correlation of Ames limestone. 



155-156 



— Brookville coal bed 80 



■ Charleston formation. ... 153 



■ — Hanging Rock district, Ohio.. 125 



. — his measurement and correla- 

 tion of the Twin coal bed 77 



— measurements in Hunting- 

 don county, Pennsylvania 76 



Georges Creek basin. . . 78 



— Little Clarksburg coal bed.... 155 



— occurrence and thickness of the 



Mahoning formation 165-166 



— . — . — oil-well record in Lewis county, 



West Virginia 136 



— records in Mason county, 



West Virginia 126-127 



Pleasants county, 



West Virginia 144 



. . — .West Virginia .... 14d 



— Pittsburg coal bed 214 



