PLANCHE VI. 

 Fig. 44. — Ophiochiton amhulator Kœhler, face dorsale. Gr.=4, 5. 

 Fig. 45. — Ophiochiton amhulator, face ventrale. Gr.=4, 5. 

 Fig. 46. — Ophiactis Lorioli Kœhler, face dorsale. Gr.=I3. 

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

 Fio". 48. — Ophiactis perplexa, Kœhler, face dorsale. Gr.= 13. 

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

 Fio". 50. — Amp)hiura Caulleryi Kœhler, face dorsale. Gr.=ll. 

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



