PLANCHE VIII. 



Fig. 61. — Ophioglypha involuta Kœhler, face dorsale. Gr,=4, 



Fig. 62. — Ophioglypha involuta, face ventrale. Gr.=4, 



Fig. 63. — Ophioglypha involuta, vue latérale d'un bras. Gr.=6. 



Fig. 64. — Amphiura misera Kœhler, face dorsale. Gr.=12. 



Fig. 65. — Amphiura misera, face ventrale. Gr.=12. 



Fig. 66. — Ophiacantha composita Kœhler, face ventrale. Gr.=7, 



Fig. 67. — Ophiacantha duplex Kœhler, face ventrale. Gr.=7. 



Fig. 68. — Ophiacantha gratiosa Kœhler, face ventrale. Gr.=5. 



