15G 
INDEX. 
Riebeckite, in phonolitic trachyte, 11G. 
Rift Yalley, phonolitic rocks, 11G. 
Rink, H., land-ice, ref., 63, 67. 
„ sea-ice, ref., 57. 
Robertson Bay, glaciers, 71. 
„ slates, 2. 
„ valley, 22. 
Roches moutonnees, 94. 
Rock -debris, at Winter Quarters, 87. 
„ englacial, 76, 77. 
Rock-flour, deposit in Ross Sea, 94. 
Rosenbusch, H., trachydolerite group, 102, 113, 117. 
Ross, Sir James Clarke, 1, 94. 
„ „ description of Beaufort 
Island, ref., 7. 
„ „ description of Mt. Erebus, 
ref., 8. 
„ „ discovery of Coulman 
Island, 5. 
„ „ discovery of Franklin 
Island, 6. 
„ „ discovery of Possession 
Islands, 4. 
„ „ rock-speoimens from Auck- 
land Islands, 96. 
Ross Archipelago, 98, 101, 140. 
„ basalts, 102-109. 
„ described, 8-16. 
„ relative ages of basalt and 
trachyte, 123. 
„ rocks of Atlantic type, 102. 
Ross Expedition, at Auckland Islands, 109. 
Ross Great Ice Barrier, see Barrier. 
Ross Harbour, 96, 97 (Fig. 58). 
Ross Island, 10, 13, 14, 39, 98. 
„ basalt-tuffs, 109. 
,, described, 8. 
„ icebergs, 65. 
„ snow-covered mountains, 65. 
„ soundings, 8. 
Ross Piedmont, see Barrier. 
Ross Quadrant, 1. 
Ross Sea, 1, 17 (Fig. 6), 64, 98. 
„ granites dredged up, 32. 
„ rock-flour deposit, 94. 
„ thickness of floes, 57. 
Round Mt. (Ci), see Fig. 20 (p. 42). 
„ dolerite and sandstone, 45. 
„ glacier, 73. 
Royal Society Range, see Plates III and VII, and 
Fig. 9 (p. 23). 
„ 30, 33-35, 69, 70, 73, 98. 
Royal Society Range, a faulted crust-block, 53. 
„ described, 23. 
„ dolerite, 53, 81, 99. 
„ gneiss, 25. 
„ granite, 32, 81. 
„ hollowed granite-boulders, 88. 
„ horizontal structure, 39. 
„ ice-sheet, 64. 
„ ice-slabs, 99. 
„ sandstone, 88. 
Rowe Island, 2. 
Royds (Cape), coastal ice-fringe, 65. 
„ described, 9. 
„ keuyte, 9, 10, 111-113, 119-121, 
132, and Plate VIII, Fig. 3. 
„ „ anal., 113. 
„ moraines, 81. 
Royds, Lieut. C. W. R., south-east journey, 67. 
,, pressure-ridges, 82. 
Russell, II. C., size of icebergs, ref., 75. 
Russell, I. C., ice-streams, ref., 65. 
„ piedmont-glaciers, ref., 63, 66, 67. 
Rutile, in sandstone, 134. 
Sabine (Mount), 21. 
Saline ponds, in moraines, 88 (Fig. 51). 
Salinity, of sea-ice, 55, 56. 
Salt, concentration of, in pools, 56. 
„ in sea-ice, 56. 
Sands, 89, 90. 
„ Laurie Harbour, 97. 
„ Macquarie Island, 95. 
Sandstone, 40, 53, 92, 139. 
„ area and thickness, 53, 54. 
„ at Bj, 40-42, 45, 48-50. 
„ Beacon Heights, 46. 
„ boulders in moraines, 78. 
„ Cape Crozier, 11. 
„ Cathedral Rocks, 30, 35. 
„ contact with dolerite, 49-54, 138. 
„ Depot Nunatak, 40, 41. 
„ described, 39-54, 134. 
„ dolerite-sill in, 40 (Fig. 19). 
., dredged by ‘ Challenger,’ 2, 39. 
„ Dry Valleys, 45, 46. 
„ earth-movements in, 99. 
„ Finger Mountain, 44, 45 (Fig. 22), 50, 
51. 
„ fossil plant-remains in, 40-43, 46-48, 
99, 139. 
„ frost-action, 92. 
„ Granite Harbour, 126. 
