Plate P15. Transmitted light microphotographs of radiolarians from Holes 1218A, 1219A, and 1220A. Scale bar = 100 µm. 1. Lithocyclia ocellus group (Sample 199-1218A-25X-7, 75–77 cm), G48/3. 2. Lithocyclia sp. aff. L. stella (Sample 199-1218A-25X-7, 75–77 cm), L46/3. 3, 4. Periphaena triactis (Sample 199-1218A-24X-5, 71–73 cm); (3) P47/3, (4) T19/2. 5, 6. Periphaena decora (Sample 199-1218A-25X-7, 75

Plate P15. Transmitted light microphotographs of radiolarians from Holes 1218A, 1219A, and 1220A. Scale bar = 100 µm. 1. Lithocyclia ocellus group (Sample 199-1218A-25X-7, 75–77 cm), G48/3. 2. Lithocyclia sp. aff. L. stella (Sample 199-1218A-25X-7, 75–77 cm), L46/3. 3, 4. Periphaena triactis (Sample 199-1218A-24X-5, 71–73 cm); (3) P47/3, (4) T19/2. 5, 6. Periphaena decora (Sample 199-1218A-25X-7, 75–77 cm); (5) A34/3, (6) W40/0.