EXPLICATION DES PLANCHtlS 



PLANCHE V. 



Ophiotypa~simplex, face dorsale. Gr. =:= 5. 

 ■ Ophiotypa simplex, vue latérale. Gr. = b. 



Ophiotypa simplex^ face ventrale. Gr. = o. 

 • Ophiopyrgus Alcocki, face dorsale. Gr. = 4. 



- Ophiopyrgus Alcocki, vue latérale. Gr. = 4. 



- Ophiopyrgus Alcocki, face ventrale. Gr. = 4. 

 Ophiomastus tumidus, face dorsale. Gr. = 4,5. 

 Ophiomastus tumidus, vue latérale. Gr. rr= 4,5. 

 Ophiomastus tumidus, face ventrale. Gr. = 4,5. 

 Ophioglypha inflata, face dorsale. Gr. = 9. 

 Ophioglypha inflata, face ventrale. Gr. = 9. 

 Ophioglypha paupera, face dorsale. Gr. = 6.5. 

 Ophioglypha paupera, face ventrale. Gr. = 6,5. 

 Ophioglypha sordida, face dorsale. Gr. r:i: o. 

 Ophioglypha sordida, face ventrale. Gr. ru: 5. 



PLANCHE VI. 



Ophioglypha involuta, face dorsale. Gr. = 2. 

 Ophioglypha involuta, face ventrale. Gr. = 2. 

 Ophioglypha involuta, face latérale d'un bras. Gr. =rz 2. 

 Ophioglypha œqualis Lyman, face dorsale. Gr. = 4. 

 Ophiomusium familiare, face dorsale. Gr. r= 2. 

 Ophiomusium familiare, face ventrale. Gr. =2. 

 Ophiomusium elegans, face dorsale. Gr. = 3. 

 Ophiomusium elegans, face ventrale. Gr. = 3. 

 Ophiomusium scalare Lyman, face dorsale. Gr. = 3. 

 Ophiomusium scalare, face ventrale. Gr. = 3. 

 Ophiopyren bispinosus, face dorsale. Gr. = 9. 

 Ophiopyren bispinosus, face ventrale. Gr. = 9. 

 Ophiolypus granulatus^ face dorsale. Gr. == 4,5. 

 Ophiolypus granulatus, face ventrale. Gr. =:4,5. 

 Ophioceramis tenera, face dorsale. Gr. = 6,5. 

 Ophioceramis tenera, face ventrale. Gr. = 6,5. 

 Ophiozona bispinosa, face dorsale. Gr. = 3,5. 

 Ophiozona bispinosa, face ventrale. Gr. = 3,5. 

 Ophiopeza custos, face dorsale. Gr. = 4,5. 

 Fig. 35. — Ophiopeza custos, face ventrale. Gr. r= 4,5. 



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