PLATE XVII. 



Fig. 1. 



rig. 2. 



Fig. 3. 

 Fig. 4. 

 Fig. 5. 

 Fig. 6. 

 Fig. 7. 

 Fig. 8. 

 Fig. 9. 



(I 



Ophiaca7itha spmifem Ltk. & Mrtsn- Ventral side- f . 



** " '* Dorsal side. \. 



*' ** Arm-spiiies, -f. 



costata Lik. & Mrtsn. Ventral side, -f . 



Dorsal side. |. 



Arm-spines, f. 

 coniiyua Ltk< & Mrisu, Ventral side Y" 

 '* ** Dorsal side. Y- 



Arnv spines. Y", 



(I 



u 



a 



u 



a 



fC 



ti 



(1 



u 



u 



ii 



ii 



1^ f 







4 



4 



H 

 " 



;i: 



J 



