PLATES. 



EARTHQUAKE OBSERVATIONS PLATES 1-6, following p. 96. 



Plate 1. Velocity Diagrams. 



2. Chart of Earthquake Origins. 

 3. Isoseists of Earthquakes. 

 Plates 4-6. Reproductions of Earthquake Records. 



AURORA OBSERVATIONS PLATES 7-14. 



Plate 7. Charting Diagram, facing p. 99. 

 Plates 8-14. Coloured Plates of Auroras, following p. 126. 



MAGNETIC OBSERVATIONS PLATES 15-19, following p. 156. 



Plate 15. Views of Winter Quarters and Magnetic Houses. 

 16. Panoramic Views of Winter Harbour. 

 17. Magnetic Declination Chart. 

 ,, 18. Chart of South Magnetic Pole. 

 19. Inclination Chart. 



" SCOTIA" MAGNETIC OBSERVATIONS PLATES 20, 21, following p. 192. 



Plate 20. View of Observatory, Scotia Bay, Laurie Island. 



21. Manner of taking Preliminary Observations, and Plan of Observatory Hut. 



MAPS. 



Map of Ross Island, McMurdo Sound, &c., facing p. 129. 

 Map of Laurie Island, at end of volume. 



