PLANCHE VI. 



Fig. 44. — Ophiochiton ambulator Kcehler, face dorsale. Gr.=4, 5. 



Fig. 45. — Ophiochiton ambulator, face veutrale. Gr,=4, 5. 



Fig. 46. — Ophiactis Lorioli Kcehler, face dorsale. Gr.=13. 



Fig. 47. — Ophiactis Lorioli, face ventrale. Gr.=13. 



Fig. 48. — Ophiactis perplexa, Kcehler, face dorsale. Gr.= 13. 



Fig. 49. — Ophiactis perplexa, face ventrale. Gr.= 13. 



Fig. 50. — Amphiura CctuUeryi Koehler, face dorsale. Gr.= ll. 



Fig. 51. — Amphiura Caulleryi, face ventrale. Gr. = ll. 



