Plate P23. Diatoms from rise site: Chaetoceros and others. 1, 2. Schimperiella antarctica. (1) Sample 178-1095A-1H-2, 78-79 cm, (2) Sample 178-1095B-7H-3, 35-36 cm. 3, 4. Stellarima spp. (3a, 3b) Sample 178-1095B-22X-1, 92-94 cm, (4a, 4b) Sample 178-1095B-25X-3, 84-85 cm. 5. Coscinodiscus spp. (Sample 178-1095A-1H-4, 1-2 cm). 6, 7. Chaetoceros spp., resting spores (Sample 178-1095B-15X-2, 59-61 cm).