XXll 



LIST OF ILLUSTRATIONS 



Moraine cone with raised beach material 

 Upthrust serpula' deposits 



Lyothyrina Antarctica (Blockniann) 

 Siliceous sponge spicules 



Tubes of Serpulae, Polyzoa, and valve of Chiton 

 Undescribed simple coral 



PAGE 



Facing 266 

 266 



272 

 272 

 272 

 272 



Pecten Colbecki, seals teeth, appendage of crustacean ; from 

 raised beach of Dry Valley 

 ,, 2. A tangled mass of sponge spicules from Hut Point 



XC. „ 1. Crystals of mirabilite 



„ 2. Shaft sunk in ice of Coast Lake 



„ !5. Algal peat embedded in lake ice, Coast Lake 



XCI. Blocks of ice hung in the wind at Winter Quarters in order to ascertain 

 the rate of evaporation 



XCII. Comparative sections through West and East Antarctica 



XCIII. General map of Antarctica 



XCIV. Map showing chief trend-lines from Australasia and Oceania across 

 Antarctica to South America 



XCV. Geological sketch map of the area of Ross Island near the AV inter 

 Quarters of the British Antarctic Expedition, 1 907-09 



272 



272 



278 

 278 

 278 



278 

 310 

 319 



319 



319 



FIGURES IN TEXT 



FIfJURE 



1. Plan of McMurdo Sound 10 



2. Section across McMurdo Sound 10 



3. Temperature curves 1 5 



4. Temperature curve on ascent of Mount Erebus 1 6 

 .5. Section across the South Magnetic Pole Plateau 24 

 G. Moss ice or spiracle ice 36 



7. Sketch showing effect of sublimation on snow overlying sea ice near the Nordenskjiild 



Ice Barrier 38 



8. Sketch showing the effect of sublimation and thawing upon snow near " pinnacled 



ice " of McMurdo Sound 39 



9. Snow dunes in plan and section 51 



10. Section of seaward edge of glacier 53 



11. Sketch of Drygalski Ice Tongue 53 

 1 2. Ice donga on Drygalski Barrier 55 



13. Section across Drygalski-Reeves Piedmont 56 



14. Sketch showinu: the Antarctic coast between Larsen Glacier and Mount Nansen 58 



