INDEX. 



i57 



Page. 



Fault Continued. 



Pilot 227 



reversed 225 



Sheridan 179,181,182,211 



Sherman 158 



SonthDyer 211,214 



Union 180,228 



Weston 176,180,181,184,220 



Figures (in the text) : 



No.l. Sanidine from Nevadite 348 



2. Section through Highland Chief mine 501 



3. Section throngb Colorado Prince mine ... 504 



4. Section through Florence mine 510 



5. Section through Taylor Hill 535 



6. Section through El Capitan mine 536 



FILLING OF THE CRUCIBLE 663 



Fissure veins, theoretical formation of 572 



Flue-dnst, treatment of, at Smelter C 679 



Fluegger, Th., cited 544,620 



Fluorite 527 



Fluxes, annual consumption of, hy smelters 637 



Fohr.F 626 



FOLDS AMU FAULTS 284 



Forest rock 77 



Formation of Leadville deposits, mode of 378, 568 



FORSAKES MINE, MOHXCSG STAR AHD 441 



Fortieth Parallel Reports, cited 45, 48, 55, 57, 290, 294, 310 



Fossils, iu Blue Limestone 66 



Cambrian formations 60,62 



Upper Coal Measures 70 



Weber Grits 67 



Shales 69 



White Limestone 61,62 



names of, and where mentioned : 



Amplexus 70 



Archffioccidaris - -..67, 70, 103, 177 



Astartella 70,177 



Athyris subtilita 66, 69, 70, 103, 118, 141, 177 



Aviculopecten carboniferus 155 



interlineatus 69 



rectilaterarius 67, 178 



Bathyurus similiinus 62 



Bellerophon 70,103 



crassns 70 



percarlnatus 70 



Chonetes Glabra 70,177 



granulifera 67,182,177,178 



Cyrtolites 62 



Dicelloccphalns Minnesotensis 60, 99 



Discina Meeki 178 



nitida , 67 



Endoceras 62 



Entolinm 70 



Eoccidarls Halliana 67 



Equisetffi 69,164 



Enomphalus 70, 118, 480 



Spergenensis 66 



Fenestella 70,103,155 



perelegans 67,177 



Glytocistites 62 



Grifflthides 155 



Leptena melita 62 



Lingula 62 



mytiloides 162,381 



Lingulepia pinnseformis. .. 62 



Page. 

 Fossils, names of, and where mentioned Continued. 



Loxomena 70,103 



Macrocheilus primigenins 70 



ventrieosus 67,177 



Meekella striaecostata ^ 69 



Metoptoma 62 



Microdoma conica 70 



Microdon obsoletum 70 



tenuistriatum 70 



Murchisonia 70 



Myalina perattennata 67,162 



Naticopsis Altdnensis 70 



Nautilus 70 



Xucula 177 



Beyriche 70 



ventricosa 70 



Orthis earbonarius 67, 178 



desmopleura 62 



Orthisina pepinensis 62 



Orthoceras 62 



Pateschara 67, 177 



Phillipsia 162,177 



Major 67,162 



Pinna 67 



Pleurophorus 509 



oblongus 66, 118 



occidentals 70 



Pleurotomaria Grey villenais 70 



valvatifonnis 103 



Polyphemopsis chrysalis ? 67 



Polypora 67,177 



Productus cora 67, 70, 103, 155, 162 



costatus 66, 69, 70, 118, 141, 155, 177 



nmricatus 67,69,105 



Xebrascensis 67, 69, 177 



nodosus 162 



pertenuis 67,155 



Prattenana 70,177 



semireticulatus 67, 155, 162 



Rhombopora 155 



Icpidodendroides 67,177 



Rhynconella 412 



Endlichi 56 



Indiancnsis 61 



neglecta 61 



Spirifera 155,509 



camerata 67,70,155 



(Martinia) Hneata 66,70 



Rockymontana 62,70,118,157,177 



Spiriferina 66 



Kentuekensis 69, 141 



Spergenensis 118 



Streptorhynchus crassns 66, 70, 118, 177, 178 



(crenistria) 67 



Synocladia 70, 177 



Zaphrentis 66,100,101 



FOUB-MILE AMPHITHEATER 153,158 



Freelund, F. T., cited 556 



Fremont's Pass 7, 197 



French gnlch 192 



Frontispiece described 210 



Fryer, Geo., discoveries of 13,464 



FEVER HILL 255 



GROUP 445 



map explained 454 



