Vi BULL. GEOL. SOC. AM., YOL. 5. 



UpHAM: Pnge 



Figure 1 — Section of the Ice-sheet in the Mississippi Basin along a Dis- 

 tance of 300 miles north from its most southern Boundary. . 83 

 Dawson : 



Figure 1 — Map of Coasts and Islands of Bering Sea 118 



*' 2^Diagram illustrating the Structure of the northern Part of 



Akulan Island 119 



** 3 — Diagram illustrating the Profile of the Coast Cliffs at Cape 



Japounski 128 



'* 4 — Diagram illustrating the orographic Characters of the southern 



Part of Kamchatka 1 29 



*' 5 — Diagramatic Section along the east Coast of Hall Island 137 



'* 6 — Shattered granitic Rocks, Cape Chibukak, Saint Lawrence 



Island 139 



" 7 — Diagramatic Section of the east Side of Cap'e Chibukak, Saint 



Lawrence Island 140 



Dall and Stanley-Brown : 



Figure 1 — Map of Portions of southwestern Georgia and central-western 



Florida 149 



" 2— Sketch Map of Alum Bluff' 156 



" 3 — Generalized Section and Sections exposed on the Chipola, 



Apalachicola and Ochlockonee Rivers, Florida 163 



Campbell : 



Figure 1 — Determined Periods of Appalachian Folding 189 



Kemp : 



Figure 1 — Thin Section (number 146) of Gabbro 218 



" 2 -Thin Section (number 237) of Gabbro 219 



" 3— Thin Section (number 112) of Gabbro 220 



Keyes : 



Figure 1 — Fault in Bloomfield Shaft, Des Moines, Iowa 237 



' ' 2— Deformation in Roof of Thistle Mine, Appanoose County, Iowa 237 



'' 3— Fault in American Mine, Mahaska County, Iowa 238 



" 4— Step Fault in Davison Mine, Jasper County, Iowa 238 



" 5— Trough Fault in Appanoose Shaft, southern Iowa 239 



" 6— Clay Fissure in Thistle Mine, Appanoose Countv, Iowa 239 



Hill : 



Figure 1— Vertical Structure of Paleozoic Rocks underlying Pj-airie west 



of Ardmore 310 



" 2— Structural Detail of the Washita Division at Austin, Te.x;as. . . 318 

 " 3— Profile and Section of AVashita Division from Denison to Red • 



River 324 



4— Oscillations of Land and Sea shown in Sediments of Red River 



Region 335 



Takk : 



Figure 1— Cross-section of Lake Cayuga Valley opposite Salmon Creek. . 349 



" 2 -Preglacial Valley, Cayuga Lake , 354 



Bell : 



Figure 1— Eroded granite Surface near the north End of Benjamin Island 360 

 2— Section of eroded Surface of Granite with Lower Silurian 



Limestone resting upon it 361 



3— Low, circular Ridge, four feet in Diameter, on weathered Sur- 

 face of Granite 362 



