Vlll BULL. GEOL. SOC. AM., VOL. 2. 



Page. 

 "Williams (Keyes) : Figure 3 — Southern Section through the Piedmont Region 



in Maryland 320 



" " " 4— Thin Section of Sugarloaf Sandstone X 25 321 



" " " 5— Thin Section of Quartzite from Baltimore 



County X 21 321 



Le Conte : Figure 1 — Graphic Representation of Quaternary Climate and Land- 

 Altitude — 330 



Wolff: Figure 1 — Diagram of vicinity of Rutland 332 



" " 2— Profile and Section along the line A-B in Figure 1 333 



Weed: Figure 1 — Section of the Cretaceous Coal- Measures of the Cinnabar 



Coal Field 354 



" " 2 — Sections of Workable Coal Seams in the Cinnabar Field 355 



Turner: Figure 1 — Section through Mount Diablo 400 



" " 2 — Section from North Peak to Kirker Pass 400 



" " 3 — Section from Tasajero Creek to Lone Tree Valley 400 



Davis and Loper : Figure 1 — A Portion of the completed Triassic Formation 



lying on the denuded Crystallines ^_ 417 



" " 2 — A Portion of the Triassic Formation, after tilt- 

 ing into the monoclinal Attitude and deep 

 Erosion 420 



" " 3— Sketch Map of about ten Square Miles Area to 

 illustrate the Monocline near Meriden, Con- 

 necticut 423 



Darton : Figure 1 — Sections through the Cenozoic and Mesozoic Formations 

 and the Crystalline Rocks of eastern Virginia and central 

 Maryland 435 



FosHAY and Hice : Figure 1 — Ideal Cross-Section of Beaver Valley ... 458 



Davis: Figure 1 — Cretaceous Peneplain in New England 551 



" " 2 — Cretaceous Peneplain in New Jersey 552 



" " 3 — Cretaceous Peneplain in New Jersey and Pennsylvania 560 



•' " 4— Cretaceous Peneplain in the middle Appalachian Region -561 



" " 5— Section illustrating the Development of middle Atlantic 



Slope Topography 565 



" " 6 — Section illustrating the Development of middle Atlantic 



Slope Topography 565 



{%Z figures.) 



