413 



Fossils — ContinutMl. Page. 



Spirifera pingnis 199 



piiioncnsis 74, 76, 82, 132, 138. 193 



pulclira 199 



raricosta 7* 



ruckymoutftna 91, g^t, 96, 98 



(M.) sctigura 91 



striata 91,171,199 



strigosus 193 



trigonalis 91, 1S9 



nDdifnra 76 



vanuxemi 202 



Spiriferina cristata 94, 95, 194 



kentuckiensjs 89, 96 



Stenothoca elungata 43 



StraparoUns 199 



newarkensis 82 



Strcblopteria sirailis 91, 171 



Str«-phoclietus 189 



Strcptolasnia 59 



Streptorbyncbua cbemuDgeDsis 76 



ohemungensis. Tar. pandora. . .74, 76, 79 

 chemaogcnsis, var. perversa ..74,76.79 



creDistria 89, 90, 96, 199 



fiUtexta 191, 196 



minor 61 



Stromatopora..66, 72, 74, 75, 76. 82, 83, 120, 138, 145, 171, 191, 

 196. 198. 200 



Stroi)hodonta 193,199 



arcuata 74 



calvini 74, 76 



canace 132,193 



demissa 76 



inuquiradiata 76, 193 



pattersoni 74 



perplana 74,76,82 



pnnctnlifora 74,76 



Stioptaomena fontinalis 195 



nemea 52, CO 



perplaua 198 



. rhomboidalis 74,79,138 



Styliola flsaiirella 74, 75, 79, 80, 81, 83, 84 



Subiilites 195 



Syringopora 72, 164, 171, 199 



hisingeri 83, 144 



perelegans 74, 75. 83 



Syriugolhyris cuspidatus 91, 199 



Tellinomya contracta 52, 53 



haniburgpnsis 51 



Tentacnlites attenn.itua -. . 77 



gracilistriatus 75, 80 



scalariformis 77, 132 



Terebratula 191,199 



bovidcns 94, 96 



bustata 91 



Tbamnisciis 193, 194 



Thecia ramosa 132 



TreuKitospira infrequens 74 



Trinncluus conccntriciis 59. 191 



Tripleaia 195 



calcifera 50, 51. .12, 112,123. 191 



Zaphrentis 60,75,76,90,94,05,171,196 



centralis 96 



Zaptychius carbonaria 87 



Fossils in Kiihmond Mint' 43, 118 



Fossils, systcmatir list of 8I7-331 



Pago. 



Fonqu^ and L*vy, oit*d 350,353 



Frcsb water sbells in Carbunifcroua 87,166,181 



Fusiliua Peak, region of 159 



thickness of Lower Coal-measures 161 



G. 



Galena 310 



Garnet in granite- porphjTy 341 



lavas 262 



rbyolite '. 377, 379 



Geddes and Bertrand dike HI, 247 



Geological cross-sections S11-£I7 



A-B 212 



CD-EF 21,101,213 



E-F 148 



GH-tK 215 



position of Eureka quartsite 54 



range of ore deposits 299 



section, White Pine IM)-I94 



sketch of the Eureka District 8-33 



Georgia fauna 43, 40 



Gilbert, G. K., Quaternary valleys 33 



section across Timpahnto Range 188 



Glendale Valley, bomblende-raica-andeslte of 368 



Gold in Eureka quartzite 55 



Ruby Hill ore 312 



Gooch, F. A., analyses of dacite and rbyolite 282 



Granite 218,337 



absence along Diamond Valley 219 



ago of 116,220 



allanitein 337,338 



apatite in 337, 338 



biotite in 337, 338 



bottom of Richmond shaft 116 



feldspar in 337 



hornblende in 337, 338 



in Great Basin rangea 219 



magnetite in 337,338 



Mineral Hill 116,219 



quartz in 337 



titanitoin 337,338 



zircon in 337 



Granite-porphyry 221 



allanite in 341 



apatite in 345 



biotite in 340 



chemical composition 228 



description 121 



dike. Castle Mountain 122 



dikes, Fish Creek Mountains 122 



feldspar in 339 



Fish Creek Mountains 344 



garnet in 341 



hornblende in 341, 345 



microscopical ch.iractor8 330 



mineral composition 226 



quartz in 339 



quartz-porpbyry along contact 226 



Graptolitcs in Pogonip fauna 54 



Grays Canyon 131,133 



Peak, region south of 133 



structure 22 



Great Basin Ranges, description 2, 10 



structure 10 



Gronndmass structure of pyroxcne-andesite 341 



