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ILLUSTRATIONS. 
Figures 2, 8, 4, 5, basaltic dikes in Illawarra, much faulted. 
Figure 2. Dike in second cliff south of Kiama, (same as No. 18, page 506.) 
Figure 3. Dike near Kiama Blow-hole, (No. 16, page 505.) 
Figure 4, dike in second cliff north of Kiama (No. 10 on page 505); slide 
two feet. 
Figure 5. Dike in same cliff, (No. 6 on page 505.) 
View of basaltic rocks, second point north of Kiama. 
Curved columns, as seen looking from above obliquely; from shores south 
of Kiama. 
Sketch showing structure of a basaltic dike. 
View of part of island of Nobby, intersected by a basaltic dike. 
Nodules of chalcedony in the basalt of Kiama, having an ear-drop shape. 
From a quarry of basalt, at Prospect Hill, near Paramatta. 
Diagram, illustrating the formation of valleys. 
Outline of beaches in Illawarra. 
Figures 1, 2, 3, basaltic cliffs, intersected by dikes, near Canigal, island of 
Madeira. 
Sketches of veins and beds of hornblendic rock in granite, near Valparaiso. 
Ibid. 
Epidotic seams in granite, near Valparaiso. 
Figures 6, 7, views of two compound granitic veins in gneissoid granite, with 
the direction of the micaceous structure of the adjoining or included rock 
indicated. 
Figure 8, another view of same veins. 
Figure 9, a striped vein in granite. 
Figures 10, 11, 12, 13, faulted veins of granite. 
Figures 14, 15, 16, faulted veins of granite. 
Figure 17, faulted vein of granite. 
Figures 1, 2, crystals of gypsum, from the Callao cliffs, Peru. 
Figures 1, 2, sections of San Lorenzo beds. 
Entrance of ‘ El Paseo de los Agoas,’”’ Lima, showing the upper stones of 
the obelisk as revolved by an earthquake; sketch by J. Drayton. 
Mount Swalalahos or Saddle Hill, Oregon. 
Figures 1, 2, views of the Sacramento Bute. 
Bluff of laminated trachyte, Sacramento Bute. 
Dikes of sandstone intersecting tertiary rocks, Oregon. 
Figures 1, 2, calcareous crystallizations from concretions, Oregon. 
Figure 1, section of the alluvial plain of the Willammet. 
Figure 2, section showing terraces on the Umpqua. 
Figures 3, 4, sections illustrating terraces on the Shasty. 
Figures 5, 6, 7, 8, sections illustrating terraces on the Sacramento. 
