EEPORT ON THE OPHIUROIDEA. 



339 



Fig. 



PLATE XII. 



1. Ophiopyren brevispinus, L5nxi., below, ^^. 



2. „ ,, above, \®. 



3. ,, ,, arm joints in profile, ^/. 



4. ,, longispinus, Lym., below, \2_ 



5. ,, „ above, ^^. 



6. ,, „ arm joints in profile, \2_ 



7. Ophiolehes scorteus, Lym., below, \®. 



8. „ „ above, \<*. 



9. „ „ arm joints in profile, '^^. 



10. ,, vestitus, Lym., below, -f-. 



11. ,, „ above, f. 



12. „ „ arm joints in profile, f. 



13. Ophiophyllum petilum, hym. , helow , ^-^ . 



14. ,, „ above, ^^. 



15. ,, ,, base of arm and edge of disk in profile, \*^. 



16. Opliiogeron edentulus, Lym., below, \2_ 



17. „ „ above, ^^. 



18. ,, „ arms joints in profile, ^^. 



PLATE XIIL 



Ophiacantha troscheU, Lym., below, f. 



,, above, f. 



,, arm joints in profile, 



stimulea, Lym., below, f. 



,, above, f. 



,, arm joints in profile, f. 



vepratica, Lym., below, ^^. 



,, above, \^. 



„ arm joints in profile, ^^. 



sentosa, Lym., below, f . 

 „ above, f . 



,, arm joints in profile, f . 



cosmica, Lym., below, f. 



,, above, -f. 



„ arm joints in profile, f. 



