X 
ILLUSTRATIONS 
PLATE PAGE 
XXX. Eocene plants. sEscuius arctica .. 162 
XXXI. Eocene plants. Pterospermites magnifolia . 162 
XXXII. Eocene plants. Pterospermites alaskana . 162 
XXXIII. Eocene plants. Picea? Phyllites . Juglans . Alnus 162 
TEXT FIGURES 
FIGURE PAGE 
1. Dikes, Lowe Inlet. 14 
2. Dikes, Lowe Inlet. 15 
3. Section north of Wrangell. 16 
4. Dikes in Glacier Bay. 20 
5. Bogoslof Volcano. 30 
6. Cliff-section, northeast side of St. Matthew Island. .. 33 
7. Cliff-section, St. Matthew Island. 33 
8. Cliff of trachyte, St. Matthew Island. 34 
9. Cliff-section, east side of Hall Island. 36 
10. Sketch of Siberian coast. 42 
11. Coast of Port Clarence, Alaska. 44 
12. Group of islands near Kadiak. 52 
13. Fossil locality, Pogibshi Island. 53 
14. Section of Treadwell mine ; open pit. 60 
15. Section of Treadwell mine; 440-foot level. 60 
16. Map showing Stepovak Bay and Chichagof Cove... 72 
17. Geological map of vicinity of Chichagof Cove. 75 
18. Section on south face of Chichagof Peak... 81 
'i 
