LLUSTRATIONS. 



PAGE 



Plate I. Map of Califoknia and Nevada to face 1 



Plate II. Map of Washington and Oregon to face 16 



Plate III. Complete Three-Component Seismograph, for 



Motions in all Directions to face 18 



Plate IV. Duplex Pendulum Seismograph, for Horizontal 



Motion to face 30 



The Earthquake at Pompeii, a. d. 62 30 



Plate V. Relief Map of the Pacific Coast from the Model 



CONSTRUCTED BY PrOF. GeORGE DaVIDSON (tllC 



cut is furnished by the courtesy of the Overland 



Monthly) to face 81 



Figures and Maps to Illustrate the Earthquake of 1893, April 19 

 (Vacaville). Kindly furnislied by the United States Geological 

 Survey : 



Fig. 1. — Tracing of the Seismograph in San Francisco 172 



Fig. 3. — Tracing of the Seismograph at the Chabot Observatory 173 



Fig. 3. — Map of the Country about Vacaville (Solano County) 176 



Fig. 4. — Map of Napa, Yolo, Solano, and Sacramento Counties 177 



Fig. 5. — Map of California, showing the district art'ected by the 



Earthquake of 1893 179 



