PLATE XVI. 



Fig. 2. 

 rig. 3. 

 Fig. 4. 



Fig. 6. 



Fig. 7- 

 Fig. 8. 



Fig. 9. 

 Fig. 10. 

 Fig. 11. 

 Fig- 12. 



Ophiacaniha Normani Lyiii. Dorsal side. \. 



" " Ventral side. \ 



(( 



(( 



i( 



« 



it 



tt 



n 



it 



a 



H 



<1 



t* 



tl 



Arm-spines. |. 



Grain from the disk. Scibert Obj. II. Oc. 0. 



moniliformis Ltk. & Mrtsn. Dorsal side. 



(( 



tl 



tt 



it 



t( 



it 



?• 



Ventral side. J. 



Arm-joints in side view, f . 



Spine from tlie disk. Seibert Obj. II. Oc. 0, 



spinifera Ltk. & Mrtsn. Spine of the disk. Scibert Obj. II. Oc. 0. 

 costata Ltk. & Mrtsn. Spine of tlic disk. Scibert Obj. 11. Oc. 0. 

 pacifica Ltk. & Mrtsn. Spine of the disk. Scibert Obj. II. Oc. 0- 

 contigua Lik. & Mrtsn. Spine of the disk. Scibert Obj. II. Oc. 0. 



/ 



^__ ^ 



