*^ — XVI ILLUSTRATIONS. 
Vein of Feldspar traversing the granite 200 
Segregated veins of feldspar 203 
Local section near station 183 : 204 
Section across the valley of Tejon creek 207 
= Section north and south near the summit of the Cafiada de las Uvas . 210 
Channels in the slope of the Great Basin 215 
Vegetation of the slope of the basin near the Cajon Pass. Charles Koppel....... 226 
Granite furrowed and polished by moving sand 231 
Section of the sand hills covering the bank 241 
Section of the sand hills 242 
Deposition of the sand on the lee side of obstacles : 243 
Irregular surface of limestone exposed by mining 255 
Placer mining by the EOE method, Michigan City. From a dag typ 265 
Ideal section of a mining 266 
Section of the hill-side at Georgetown 212 
River Cañon, valley of erosion in slate 278 
Reverberatory furnace for extracting crude antimony : 293 
5 Furnace for the extraction of crude antimony 295 
Outcrop of a great quartz vein 297 
Crystal of tourmaline 304 
Crystals of andalusite or macle : 305 
