VI BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Plate 24 — Spurr : Effects of faulting and effects of folding on topography 



(6 figures) 269 



25 " Cross-sections of typical basin range (5 figures) 270 



26 — Ami : Knoydart and Moydart formation of Nova Scotia (2 figures). . 301 

 27 — Hall: Map and profiles of the Kevveenawan of eastern Minnesota 



(3 figures) 340 



28 " Profile across the Keweenawan series of eastern Minnesota 

 (5 figures) 342 



29 " Map of central-eastern Minnesota 374 



30 " Profiles across the Keewatin of eastern Minnesota (5 figures). 375 



31 " slate quarry and graywacke exposure (2 figures) 376 



32 " Graywacke slate and graywacke (2 figures) 376 



33 — Le Roy : Rigaud mountain and hornblende-syenite (2 figures) 378 



34 " Rigaud hornblende-syenite and quartz-porphyry (2 fig- 

 ures) 384 



35 — FoERSTE : Waldron shale and Laurel limestone (2 figures) 399 



36 " Laurel limestone and Osgood bed (2 figures) 400 



37 " Clinton, Ordovician, and top of Louisville (2 figures) 401 



38 " Clinton at Baker and Whites bend (2 figures) 403 



39 " Clinton, Ordovician, and Waldron (2 figures) 406 



40 " Pegram limestone (2 figures) 407 



41 " Louisville and Pegram beds (2 figures) 408 



42 — Adams : Deformation of marble (2 figures) 457 



43 ** Microphotograph of Carrara marble (2 figures) 459 



44 — Davis: Central plateau of France and valley of the Chavannoux 



(2 figures) 48L 



" 45 " Upland of Belle Isle and plain of southern Brittany (2 fig- 

 ures) 482 



Figures 

 Hitchcock: 



Figure 1 — Map of Hawaii 52 



Coleman : 



Figure 1 — Map of eastern Ontario, showing limit of freshwater beaches 



and of marine fossils 131 



" 2 — Map of northern Ontario, showing beacli line 141 



KtJMMEL and Weller : 



Figure 1 — Map of northwestern New Jersey 148 



Barbour: 



Figure 1 — Sim})le and compound concretions and pipes, northwestern 



Nebraska 166 



" 2— Sand rock at Devil hill, South Dakota 168 



Keyes : 



Figure 1 — Relations of Arkansan series to the other Carboniferous series. 192 

 *' 2 — Carboniferous deposition in the western interior basin 193 



