Plate P6. Transmitted light microphotographs of radiolarians from Holes 1218A, 1219A, and 1220A. Scale bar = 100 µm. 1–3. Eucyrtidium sp. F; (1) Sample 199-1218A-25X-1, 120–122 cm (X29/4), (2) Sample 199-1218A-25X-7, 75–77 cm (J50/4), (3) Sample 199-1218A-22X-5, 30–32 cm (B41/0). 4. Eucyrtidium sp. J. (Sample 199-1220A-8H-2, 75–77 cm), O54/1. 5, 6. Artophormis dominasinensis; (5) Sample 199-1220A-9H-5, 125–127 cm (E54/1), (6) Sample 199-1218A-25X-7, 75–77 cm (A52/0). 7. Theocorys bianulus (Sample 199-1218A-22X-5, 30–32 cm), H30/3. 8–10. Dictyopodium eurylophus, (8) Sample 199-1220A-9H-2, 75–77 cm (O47/4), (9) Sample 199-1218A-25X-3, 120–122 cm (L36/0), (10) Sample 199-1220A-9H-3, 75

Plate P6. Transmitted light microphotographs of radiolarians from Holes 1218A, 1219A, and 1220A. Scale bar = 100 µm. 1–3. Eucyrtidium sp. F; (1) Sample 199-1218A-25X-1, 120–122 cm (X29/4), (2) Sample 199-1218A-25X-7, 75–77 cm (J50/4), (3) Sample 199-1218A-22X-5, 30–32 cm (B41/0). 4. Eucyrtidium sp. J. (Sample 199-1220A-8H-2, 75–77 cm), O54/1. 5, 6. Artophormis dominasinensis; (5) Sample 199-1220A-9H-5, 125–127 cm (E54/1), (6) Sample 199-1218A-25X-7, 75–77 cm (A52/0). 7. Theocorys bianulus (Sample 199-1218A-22X-5, 30–32 cm), H30/3. 8–10. Dictyopodium eurylophus, (8) Sample 199-1220A-9H-2, 75–77 cm (O47/4), (9) Sample 199-1218A-25X-3, 120–122 cm (L36/0), (10) Sample 199-1220A-9H-3, 75–77 cm (W46/4).