MUSEUM OF COMPAEATIVE ZOOLOGY. 283 



DESCEIPTION or PLATES. 



PLATE I. 



rig. 1. Ophiomyxa tumida, from below ; \. 

 Pig. 2. " " from above ; \. 



Pig. 3. " " arm-joints, profile; \. 



PLATE II. 



Pig. 1. Ophiotoma coriacea, from below; \. 



Pig. 2. " " from above ; {. 



Pig. 3. " " arm-joints, profile ; \. 



Pig. 4. Ophiobyrsa Perrieri, from below ; \. 



Pig. 5. " " from above; f. 



Pig. 6. " " arm-joints, profile ; f . 



PLATE III. 



1. Pedhiura tessellata, from below; f. 



" " from above ; ■§. 



" " arm-joints, profile ; f . 



" lacertosa, {vom.\it\ovf , \. 



" " from above ; \. 



" " arm-joints, profile; \. 



" angulata, from below ; -1. 



" " from above ; f . 



" " arm-joints, profile ; f . 



Pig. 10. Ophiozona marmorea, from below ; ^. 

 Pig. 11. " " from above ; \. 



Pig. 12. " " arm-joints, profile ; {. 



Pig. 13. " clypeata, from below; \. 



Pig. 14. " " from above ; |. 



Pig. 15. " " arm-joints, profile ; \. 



Pig. 16. Ophiochytra tenuis, from below ; \. 

 Pig. 17. •' " from above ; \. 



Pig. 18. " " arm-joints, profile; f. 



