PLATE VI 



Fig. I. R.R.S. 'Discovery II' in pack-ice, 69° 40' S, 97° 04' W. 



Fig. 2. Frozen spray on fore deck and bridge. 



Fig. 3 . Well-deck davits encrusted with ice. 



Fig. 4. R.R.S. 'Discovery II ' in light pack-ice, south-west of the South Orkney Islands. 



