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VI BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



' Page 



— Pattom : Thomsonite of types I and II (2 figures) 464 



" Thomsonite of types II« and III (2 figures) 465 



" Thomsonite of types III« and mineral lined cavity (2 



figures) 466 



" Mineral lined cavity and mesolite (2 figures) 467 



" Mesolite growing on thomsonite (2 figures) 468 



" Mesolite growing on thomsonite and analcite (2 figures). . 469 



Floor of laumontite and stilbite and drawing of chabazite 



crystal (2 figures) 470 



—Hopkins : Limonite ore and ore pocket (2 figures) 475 



—Gilbert: Portrait of Edward Orton . 542 



—Adams : Portrait of Sir J. William Dawson 550 



— Hovev : Summit of Harney peak and Sylvan lake (2 figures) 581 



The Needles (2 figures) 582 



" Crags near The Needles (2 figures) 582 



Crags near The Needles and spodumene crystals (2 figures). 582 

 — Cragin : Right humerus and right metacarpus of Nemorhcedus palmeri 



Cragin 610 



" 58 — Merriam : Right humerus of Moratherium gigas Marsh 613 



Figures 

 Emejrson : 



Figure 1— Tetrahedron placed symmetrically within a sphere 60 



" 2 — Six-faced tetrahedron (hexatetrahedron) 66 



" 3 — Six faced tetrahedron with rounded faces 66 



" 4— Map of the earth 68 



" 5— Map showing variations in the attraction of gravity 71 



" 6 — Diagram of the globe placed so that F is in solstice 79 



" 7 — Prinz's map of main structure lines on the earth 94 



Bain : 



Figure 1— Sketch map of Wichita mountains 129 



" 2 —Sketch of Lower narrows 131 



" 3 — Sketch of Lower narrows in Raggedy mountains 132 



" 4 — General view of granite hills of the south range near Quanas. 134 

 " 5 — Crushed anticline and overthrust fault in limestone north of 



mount Scott 138 



" 6 — Sedimentation : Blue Creek series resting on porphyry north 



of mount tcott 139 



" 7 — Repetition of Cambrian strata by faulting north of mount 



Scott 139 



White : 



Figure 1 — Generalized section of the Alleghany series in Clarion county, 



Pennsylvania 148 



" 2— Section of the Kanawha series at the mouth of Armstrong 



creek, on the Great Kanawha river, West Virginia 



" 3 — Section of the Kanawha formation in the vicinity of Dego, 



West Virginia 158 



