VI BULL. GEOL. SOC. A.M., VOL. ]. 



Pag< 



\\ \ i ■ n i i Figure I Section in Nun-ko-weap Valley ">1 



•_' Section in Nun-ko-weap Valley 51 



- ction on Nun-ko-weap Brook 52 



I Section between Nun-ko-weap and Kwa-gunt Valleys. _ •"»:! 



5 Section South of Kwa-gunt Valley 53 



6— Section North of Chuar Valley 54 



7 — Section in Kwa-gunt Valley 54 



8— Section through Chuar Lava Bill.. 55 



9— Restored Section through Chuar Lava Hill 50 



10 — Ideal Section of East Kaibab Monocline 59 



11 — Section across the Grand Canon at Chuar Butte 61 



li! — Diagramatic Section of the Permian Monocline 64 



SPEN( er: Figure 1 — Map of the Gulf of St. Lawrence showing the Course of an 



Ancient ltiver 68 



Speni er: Pigure 1 — Section Bhowing the Floor of a Cut Terrace 72 



'_' — Section showing the Flour of a Terrace of Construction 72 



3 — Section of Cut Terrace with Bowlder Pavement 7:; 



1 — Section of Terrace and Bench partly concealed by a Land- 

 slide 73 



" 5— Map of the Western End of Lake Ontario. 71 



" " 6— Plan of a Barrier Beach 7'i 



7 — Section extending Northward from near Flesherton 85 



Davis: Figure 1 -Meal Longitudinal Section of a Sand Plain 197 



2— Ideal Section of Cross-bedding 198 



«i ;) — Cross-bedding at the Head of a Sand Plain 198 



4— Cross-bedding at the Front of a Sand Plain 199 



\'\s- Husk: Figure 1 -A Portion of Newton's Mapofthc Black Hills . 205 



" " 2 Bands of Conglomerate cutting Slaty Cleavage 207 



8— Thin Section of Quartz-Schist 216 



4 — Part of a thin Section of Quartz-Schist ... 217 



5— Thin Section of Quartz-Schist 217 



Dawhon and Pen hallow: Figure 1 — Acer pleistocenicum .'!L's 



\V\i : Figure I— Diagram of the Hudson Tcrrane in New York, Ohio, and 



[owa ::"><) 



Wu I e 1— P in ol Granitoid and Gncissoid Area- in Minnesota 



and Canada ...862 



2— Relations of Mica Schist and Gno'iBS, Burntside Lake :;7o 



