i 



PLATE XIIL 



Fig. 1. 



Fig. 3. 



Fig. 4. 



Fig. 5. 



Fig. 6. 



Fig. 8. 

 Fig. 9. 

 Fig. 10. 

 Fig. 11. 

 Fig. 12. 



Amphiura sp. Ventral side. ^. 



Dorsal side of arm. ^. 

 Ann-joints in side view. ^. 

 gastracantha Ltk. & Mrtsu. Ventral side. Y- 



(( 



« 



11 



(< 



u 



(( 



it 



ti 



- * 1 



t« 



u 



Dorsal side- X^. 

 Arm-joiuts in side view. ^ 



i-i 



notacantha Ltk. & Mrtsu. Ventral side. Y- 



u 



U 



ti 



(( 



Dorsal side. Y* 

 Arm-joints iu side view. Y- 



■ ■ 



If! 



3 



1 



1 



.1 



-.^ 



Ophionereis reticulata Ltk. Dorsal side of arm. f . 

 *' a/ifiulata Lyni. Dorsal side of arm. -J. 



sp. Dorsal side of arm. {. 



i^ 



ic 



I 



:i 



_ ^^ r 



mrt— '"■»■ 



IJ.J^ l^.^i|JJi.iMi^i!liAaWsaMlUAi 



