342 



THE VOYAGE OF H.M.S. CHALLENGER. 



Amphiura bettis, Lym., below, ^. 

 ,, above, ^. 



„ arm joint in profile, \. 



maxima, Lym., below, f. 

 ,, above, -f-. 



,, arm joint in profile, f . 



,, an under arm plate, *jp. 



dalea, below, ^-. 

 above, ^-. 



arm joints in profile (spines are too slender), \. 

 capensis, Ljn., below, f . (Referred by error to Lyman in the plate.) 

 ,, above, f. 



,, arm joints in profile, f 



Ophiostigma africanum, Ljn., below, 2 r °. 



above, 2 r °. 

 ,, ,, arm joint in profile, 2 1 y . 



Fig. 



1. 



2. 

 3. 



4 



5. 

 6. 



7. 



8. 



9. 

 10. 

 11. 



12. 



13. 

 14. 

 15. 

 16. 

 17. 

 18. 



