U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 86 PLATE 52 



TWO NEW OPHIURANS. 



1, 2. Ophiactis notabilis: Aboral (1) and oral (2) sides. 



Xi'A. 



3, 4. Ophiothrix platyaciis: Aboral (3) and oral (4) sides. X2j 



