LIST OF ILLUSTRATIONS. 
LITHOGRAPHS. 
Page. 
Plate 1. Western slope of main ridge of Cascade mountains, from near Camp M--- 41 
II. Tertiary fossils ...--- 73 
III. Tertiary fossils---*--— 73 
IV. Tertiary fossils-------- —-- 73 
V. Tertiary fossils------ 73 
WOOD CUTS. 
Figure 1. Section of strata exposed on south shore of San Pablo bay_ 13 
2. Sand hills near Benicia_ 16 
3. Volcanic cone near Fort Reading_____ 26 
4. Lassen’s butte from the north___. 31 
5. Trap plateaus at the mouth of Canoe creek_ 32 
6. Hill of sandstone capped with trap, Rhett lake_._ 37 
7. Glacial groves in trap ledges, Cascade mountains___ 42 
8. Conglomerate column, Mpto-ly-as river___* 46 
9. Section of bank of Psuc-see-que creek_,_ 47 
10. Colored tufas, Psuc-see-que creek_____ 47 
11. Side view of Mpto-ly-as river canon.... ...____ 48 
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