rLA.TE XIX. 



Fin- 



Fig- 

 Fig. 



Eig- 

 Eig. 

 Fig. 



1. 



Fig- 2. 

 3. 

 4. 



OpJdothamnn^ Uvu Ltk. & Mrtsn- Ventral side. Y". 



Dorsal side. V'- 



(1 



( ( 



ti 



(( 



(1 



t ( 



(4 



tl 



t ( 



Arm-joints in side view. ^. 



Lower arm-spine from the outer part of the arm. Seibert 



Obi. II. Oc. 0. 



5. Gphiomitra partita Ltk. & Mrtsn. Ventral side 



6. 



7. 



Fig. 8, a, h. 



Fig. _ 9. 



Fig. 10. 



Fig. 



11. 



Fig. 12. 



(I 



i I 



C( 



i( 



(£ 



t( 



JJl 



Dorsal side- \^. 



10 



Arm-spines. 



Spines of the disk from above {a) and in side view (/>). Sei- 

 bert Obj. IL Oc. 0. 



U 



t« 



i( 



(4 



granifera Ltk. & Mrtsn. Ventral side. \- 

 '* ** Dorsal side. |. 



Arm-spines, f- 



t( 



ii 



i( 



t< 



Grain from the disk- Scibcrt Obj. IL Oc 0. 



f 



