EXPLANATION OF PLATE XXVIII. 



Fig. I. — Zoroaster macracantha, sp. no v. Photograph of the 

 holotype from the Great Australian Bight, 129° 

 28' E., 250-450 fathoms. Abactinal view. About 

 one-half natural size. 



Fig. 2. — Actinal view of same specimen as Fig. 1. 



