PLATE IV. 



Fig. 1. 



Fig. 2. 



Fig. 3. 



Fig. 4, 



Pig. 



0. 



Yig. 



G. 



Fig. 



7. 



Fig. 



8. 



Fig. 



9. 



Yi"- 



10. 



Fir'- 



11. 



Fi<' 



12. 



Ophiommium Diomcdem Llk, & Mrtsn. Ventral side, f . 



" Dorsal side. \. 



ftf 



i-i. 



iC 



<( 



i< 



it 



f c 



<< 



variabile Ltk. & Mrtsii. 



a 



a 



a 



c; 



Arm-joints in side view 

 Ventral side. |. 

 Dorsal side, f . 

 Ann-joints in side view. 



glabrum Ltk. & Mrtsu. Ventral side, f . 



Dorsal side. \. 



t< 



tt 



a 



a 



Arm-joints in side view. 



Ophiofjhjiiha dlvisa Ltk. & Mrtsn. Ventral side, f . 



(f 



it 



it 



te 



u 



(f 



Dorsal side. ~| 



5 



1* 



!■ 



Arm-joints iu side view. |. 



■ i ^ iiii 



