338 THE VOYAGE OF H.M.S. CHALLENGER. 



12 

 ' 1 • 



Fig. 15. Ophiopyrgus wyville-ihomsoni, Lym., below 

 ,, 16. ,, „ disk in profile, \ 5 . 



,, 17. „ „ above, 1 i i . 



PLATE X. 



Fig. 1. Ojihiacantha tuberculosa, Lym., below, Lo. 



,, 13. Ophiosciasma attenuatum, Lym., above natural size. 



PLATE XL 



Fig. 1. Ophioceramis (?) obstricta, Lym., below, *j- 5 . 



,, above, 1 x 5 . 



„ arm joints in profile, 1 I 5 . 



(?) clausa, Lym., below, l*. 

 „ above, 1 ^. 



,, arm joints in profile, X T 4 . 



Ophiozona antillarum, Lym., below, f . 

 „ above, f. 



,, arm joints in profile, f. 



insularia, Lym., below, 2 T . 

 „ above, 1 T °. 



,, arm joints in profile, \ 9 . 



stellata, Lym., below, \. 

 „ above, f. 



„ arm joints in profile, f . 



depressa, Lym., below, £. 

 above, f. 

 arm joints in profile, f. 



J) 



